diff --git a/Frontend/tools/xpath.html b/Frontend/tools/xpath.html index 9b98399..c2ada05 100644 --- a/Frontend/tools/xpath.html +++ b/Frontend/tools/xpath.html @@ -713,7 +713,7 @@
fn:outermost($seq as node()*) as node()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:outermost(node()*) as node()*
Returns the outermost nodes of the input sequence that are not ancestors of any other node in the input sequence
@@ -748,7 +748,7 @@ fn:innermost($seq as node()*) as node()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:innermost(node()*) as node()*
Returns the innermost nodes of the input sequence that are not descendants of any other node in the input sequence
@@ -783,7 +783,7 @@ fn:has-children($arg as node()?) as xs:boolean + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:has-children(node()?) as xs:boolean
Returns true if the specified node has one or more children, otherwise returns false
Arguments and return type: @@ -817,7 +817,7 @@ fn:path($arg as node()?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:path(node()?) as xs:string
Returns a string that represents the path of the specified node within the XML document
@@ -852,7 +852,7 @@ fn:root($arg as node()?) as node()? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:root(node()?) as node()?
Returns the root node of the tree that contains the specified node
Arguments and return type: @@ -886,7 +886,7 @@ fn:namespace-uri($srcval as node()?) as xs:anyURI + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:namespace-uri(node()?) as xs:anyURI
Returns the namespace URI of the specified node
Arguments and return type: @@ -920,7 +920,7 @@ fn:local-name($srcval as node()?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:local-name(node()?) as xs:string
Returns the local part of the name of the specified node
Arguments and return type: @@ -953,7 +953,7 @@
fn:name($node as node()?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:name(node()?) as xs:string
Returns the expanded QName of the specified node as a string
Arguments and return type: @@ -1105,7 +1105,7 @@
fn:not($arg as item()*) as xs:boolean + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:not(item()*) as xs:boolean
Returns the negation of the effective boolean value of the argument
Arguments and return type: @@ -1215,7 +1215,7 @@ fn:boolean($arg as item()*) as xs:boolean + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:boolean(item()*) as xs:boolean
Converts the argument to a boolean value
Arguments and return type: @@ -1265,7 +1265,7 @@
fn:unparsed-text-available($uri as xs:string?, $encoding as xs:string?) as xs:boolean + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:unparsed-text-available(xs:string?, xs:string?) as xs:boolean
Determines if an unparsed text resource identified by a URI can be read using the given encoding
@@ -1305,7 +1305,7 @@ fn:unparsed-text-lines($uri as xs:string?, $encoding as xs:string?) as xs:string* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:unparsed-text-lines(xs:string?, xs:string?) as xs:string*
Returns the contents of an unparsed text resource identified by a URI, split into lines
@@ -1345,7 +1345,7 @@ fn:unparsed-text($uri as xs:string?, $encoding as xs:string?) as xs:string? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:unparsed-text(xs:string?, xs:string?) as xs:string?
Returns the contents of an unparsed text resource identified by a URI
Arguments and return type: @@ -1384,7 +1384,7 @@ fn:escape-html-uri($uri as xs:string?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:escape-html-uri(xs:string?) as xs:string
Escapes special characters in a URI to be used in HTML
Arguments and return type: @@ -1418,7 +1418,7 @@ fn:iri-to-uri($iri as xs:string?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:iri-to-uri(xs:string?) as xs:string
Converts an IRI to a URI by escaping non-ASCII characters
Arguments and return type: @@ -1452,7 +1452,7 @@ fn:encode-for-uri($uriPart as xs:string?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:encode-for-uri(xs:string?) as xs:string
Encodes a string for use in a URI by escaping special characters
Arguments and return type: @@ -1486,7 +1486,7 @@ fn:resolve-uri($relative as xs:string?, $base as xs:string?) as xs:anyURI? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:resolve-uri(xs:string?, xs:string?) as xs:anyURI?
Resolves a relative URI using a base URI
Arguments and return type: @@ -1526,7 +1526,7 @@ fn:analyze-string($input as xs:string?, $pattern as xs:string, $flags as xs:string?) as element(fn:analyze-string-result) + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:analyze-string(xs:string?, xs:string, xs:string?) as element(fn:analyze-string-result)
Analyzes the input string and returns an XML fragment containing match and non-match elements
@@ -1569,7 +1569,7 @@ fn:tokenize($input as xs:string?, $pattern as xs:string, $flags as xs:string?) as xs:string* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:tokenize(xs:string?, xs:string, xs:string?) as xs:string*
Splits the input string into a sequence of substrings using the pattern as a delimiter
@@ -1612,7 +1612,7 @@ fn:replace($input as xs:string?, $pattern as xs:string, $replacement as xs:string, $flags as xs:string?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:replace(xs:string?, xs:string, xs:string, xs:string?) as xs:string
Replaces occurrences of the pattern in the input string with the replacement string
Arguments and return type: @@ -1658,7 +1658,7 @@ fn:matches($input as xs:string?, $pattern as xs:string, $flags as xs:string?) as xs:boolean + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:matches(xs:string?, xs:string, xs:string?) as xs:boolean
Returns true if the input string matches the regular expression pattern, otherwise false
@@ -1909,7 +1909,7 @@ fn:translate($arg as xs:string?, $mapString as xs:string, $transString as xs:string) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:translate(xs:string?, xs:string, xs:string) as xs:string
Returns the input string with specified characters replaced
Arguments and return type: @@ -1951,7 +1951,7 @@ fn:lower-case($arg as xs:string?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:lower-case(xs:string?) as xs:string
Returns the input string with all characters converted to lowercase
Arguments and return type: @@ -1989,7 +1989,7 @@ fn:upper-case($arg as xs:string?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:upper-case(xs:string?) as xs:string
Returns the input string with all characters converted to uppercase
Arguments and return type: @@ -2027,7 +2027,7 @@ fn:normalize-unicode($arg as xs:string?, $normalizationForm as xs:string) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:normalize-unicode(xs:string?, xs:string) as xs:string
Returns the input string with Unicode normalization applied
Arguments and return type: @@ -2065,7 +2065,7 @@ fn:normalize-space($arg as xs:string?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:normalize-space(xs:string?) as xs:string
Returns the input string with whitespace normalized
Arguments and return type: @@ -2103,7 +2103,7 @@ fn:string-length($arg as xs:string?) as xs:integer + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:string-length(xs:string?) as xs:integer
Returns the length of the input string
Arguments and return type: @@ -2141,7 +2141,7 @@ fn:substring($sourceString as xs:string?, $startingLoc as xs:double) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:substring(xs:string?, xs:double) as xs:string
Returns a substring of the source string, starting from a specific location
Arguments and return type: @@ -2182,7 +2182,7 @@
fn:string-join($arg1 as xs:string*, $separator as xs:string) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:string-join($arg1 as xs:string*, xs:string) as xs:string
Joins a sequence of strings with a specified separator, returning a single string
Arguments and return type: @@ -2348,7 +2348,7 @@ fn:string-to-codepoints($arg as xs:string?) as xs:integer* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:string-to-codepoints(xs:string?) as xs:integer*
Returns a sequence of Unicode code points for a given string
Arguments and return type: @@ -2386,7 +2386,7 @@ fn:codepoints-to-string($arg as xs:integer*) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:codepoints-to-string(xs:integer*) as xs:string
Constructs a string from a sequence of Unicode code points
Arguments and return type: @@ -2468,7 +2468,7 @@ fn:format-number($value as numeric?, $picture as xs:string, $decimal-format-name as xs:string?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:format-number(numeric?, xs:string, $decimal-format-name as xs:string?) as xs:string
Formats a numeric value according to the supplied picture string and optional decimal format name
@@ -2515,7 +2515,7 @@ fn:format-integer($value as xs:integer?, $picture as xs:string) as xs:string? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:format-integer(xs:integer?, xs:string) as xs:string?
Formats an integer value according to the supplied picture string
Arguments and return type: @@ -2557,7 +2557,7 @@ fn:round-half-to-even($arg as numeric?) as numeric? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:round-half-to-even(numeric?) as numeric?
Returns the closest integer to the given numeric value, rounding half-way cases to the nearest even integer (also known as "bankers' rounding")
@@ -2600,7 +2600,7 @@ fn:round($arg as numeric?) as numeric? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:round(numeric?) as numeric?
Returns the closest integer to the given numeric value, rounding half-way cases away from zero
@@ -2639,7 +2639,7 @@ fn:floor($arg as numeric?) as numeric? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:floor(numeric?) as numeric?
Returns the largest integer less than or equal to the given numeric value
Arguments and return type: @@ -2678,7 +2678,7 @@ fn:ceiling($arg as numeric?) as numeric? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:ceiling(numeric?) as numeric?
Returns the smallest integer greater than or equal to the given numeric value
Arguments and return type: @@ -2716,7 +2716,7 @@ fn:abs($arg as numeric?) as numeric? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:abs(numeric?) as numeric?
Returns the absolute value of the given numeric value
Arguments and return type: @@ -2797,10 +2797,11 @@ -
+
+
fn:fold-right($sourceSeq as item()*, $zero as item()*, $processingFunc as function(item(), item()*) as item()*) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:fold-right(item()*, item()*, function(item(), item()*) as item()*) as item()*
Applies a processing function cumulatively to the items of a sequence from right to left, so as to reduce the sequence to a single value
@@ -2845,7 +2846,7 @@ fn:fold-left($sourceSeq as item()*, $zero as item()*, $processingFunc as function(item()*, item()) as item()*) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:fold-left(item()*, item()*, function(item()*, item()) as item()*) as item()*
Applies a processing function cumulatively to the items of a sequence from left to right, so as to reduce the sequence to a single value
@@ -2965,7 +2966,7 @@ fn:collection($uri as xs:string?) as xs:anyAtomicType* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:collection(xs:string?) as xs:anyAtomicType*
Returns a sequence of documents in a collection identified by a URI
Arguments and return type: @@ -3005,7 +3006,7 @@ fn:sum($seq as xs:anyAtomicType*, $zero as xs:anyAtomicType?) as xs:anyAtomicType? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:sum(xs:anyAtomicType*, xs:anyAtomicType?) as xs:anyAtomicType?
Returns the sum of a sequence of numeric values
Arguments and return type: @@ -3047,7 +3048,7 @@ fn:min($seq as xs:anyAtomicType*, $collation as xs:string) as xs:anyAtomicType? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:min(xs:anyAtomicType*, xs:string) as xs:anyAtomicType?
Returns the minimum value from a sequence of values
Arguments and return type: @@ -3094,7 +3095,7 @@ fn:max($seq as xs:anyAtomicType*, $collation as xs:string) as xs:anyAtomicType? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:max(xs:anyAtomicType*, xs:string) as xs:anyAtomicType?
Returns the maximum value from a sequence of values
Arguments and return type: @@ -3141,7 +3142,7 @@ fn:avg($seq as xs:anyAtomicType*) as xs:anyAtomicType? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:avg(xs:anyAtomicType*) as xs:anyAtomicType?
Computes the average of the numeric values in the input sequence
Arguments and return type: @@ -3183,7 +3184,7 @@ fn:count($seq as item()*) as xs:integer + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:count(item()*) as xs:integer
Returns the number of items in the input sequence
Arguments and return type: @@ -3225,7 +3226,7 @@ fn:exactly-one($srcval as item()*) as item() + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:exactly-one(item()*) as item()
Returns the single item in the input sequence or raises an error if the sequence is empty or contains more than one item
@@ -3268,7 +3269,7 @@ fn:one-or-more($srcval as item()*) as item()+ + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:one-or-more(item()*) as item()+
Returns the input sequence if it contains one or more items, otherwise raises an error
@@ -3307,7 +3308,7 @@ fn:zero-or-one($srcval as item()*) as item()? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:zero-or-one(item()*) as item()?
Returns the input sequence if it contains zero or one items, otherwise raises an error
@@ -3389,7 +3390,7 @@ fn:index-of($sequence as xs:anyAtomicType*, $search as xs:anyAtomicType) as xs:integer* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:index-of(xs:anyAtomicType*, xs:anyAtomicType) as xs:integer*
Returns a sequence of integers indicating the positions of items in the input sequence that are equal to the search item
@@ -3434,7 +3435,7 @@ fn:distinct-values($arg as xs:anyAtomicType*) as xs:anyAtomicType* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:distinct-values(xs:anyAtomicType*) as xs:anyAtomicType*
Returns a sequence of distinct atomic values from the input sequence
Arguments and return type: @@ -3473,7 +3474,7 @@ fn:unordered($sourceSeq as item()*) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:unordered(item()*) as item()*
Returns the items of a sequence in an implementation-dependent order
Arguments and return type: @@ -3512,7 +3513,7 @@ fn:subsequence($sourceSeq as item()*, $startingLoc as xs:double, $length as xs:double) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:subsequence(item()*, xs:double, xs:double) as item()*
Returns a subsequence of a given sequence starting at a specified position with a specified length
@@ -3563,7 +3564,7 @@ fn:reverse($sequence as item()*) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:reverse(item()*) as item()*
Reverses the order of items in a sequence
Arguments and return type: @@ -3605,7 +3606,7 @@ fn:remove($target as item()*, $position as xs:integer) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:remove(item()*, xs:integer) as item()*
Removes an item from a sequence at the specified position
Arguments and return type: @@ -3651,7 +3652,7 @@ fn:insert-before($target as item()*, $position as xs:integer, $inserts as item()*) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:insert-before(item()*, xs:integer, item()*) as item()*
Inserts items from the specified sequence into another sequence at a given position
Arguments and return type: @@ -3701,7 +3702,7 @@ fn:tail($seq as item()*) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:tail(item()*) as item()*
Returns all items of the input sequence except the first one, or an empty sequence if the input is empty or contains only one item
@@ -3744,7 +3745,7 @@ fn:head($seq as item()*) as item()? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:head(item()*) as item()?
Returns the first item of the input sequence, or an empty sequence if the input is empty
@@ -3787,7 +3788,7 @@ fn:exists($seq as item()*) as xs:boolean + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:exists(item()*) as xs:boolean
Returns true if the input sequence is not empty, otherwise returns false
Arguments and return type: @@ -3829,7 +3830,7 @@ fn:empty($seq as item()*) as xs:boolean + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:empty(item()*) as xs:boolean
Returns true if the input sequence is empty, otherwise returns false
Arguments and return type: @@ -3907,9 +3908,9 @@
-
+
-
+
@@ -4056,7 +4057,7 @@ fn:format-time($value as xs:time?, $picture as xs:string, $language as xs:string?, $calendar as xs:string?, $country as xs:string?) as xs:string? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:format-time(xs:time?, xs:string, xs:string?, xs:string?, xs:string?) as xs:string?
Formats a time value using the provided picture string and optional language, calendar, and country settings
@@ -4107,7 +4108,7 @@ fn:format-date($value as xs:date?, $picture as xs:string, $language as xs:string?, $calendar as xs:string?, $country as xs:string?) as xs:string? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:format-date(xs:date?, xs:string, xs:string?, xs:string?, xs:string?) as xs:string?
Formats a date value using the provided picture string and optional language, calendar, and country settings
@@ -4158,7 +4159,7 @@ fn:format-dateTime($value as xs:dateTime?, $picture as xs:string, $language as xs:string?, $calendar as xs:string?, $country as xs:string?) as xs:string? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:format-dateTime(xs:dateTime?, xs:string, xs:string?, xs:string?, xs:string?) as xs:string?
Formats a dateTime value using the provided picture string and optional language, calendar, and country settings
@@ -4211,7 +4212,7 @@ fn:adjust-time-to-timezone($arg as xs:time?, $timezone as xs:dayTimeDuration?) as xs:time? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:adjust-time-to-timezone(xs:time?, xs:dayTimeDuration?) as xs:time?
Adjusts the timezone of a time value
Arguments and return type: @@ -4253,7 +4254,7 @@ fn:adjust-date-to-timezone($arg as xs:date?, $timezone as xs:dayTimeDuration?) as xs:date? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:adjust-date-to-timezone(xs:date?, xs:dayTimeDuration?) as xs:date?
Adjusts the timezone of a date value
Arguments and return type: @@ -4293,7 +4294,7 @@ fn:adjust-dateTime-to-timezone($arg as xs:dateTime?, $timezone as xs:dayTimeDuration?) as xs:dateTime? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:adjust-dateTime-to-timezone(xs:dateTime?, xs:dayTimeDuration?) as xs:dateTime?
Adjusts the timezone of a dateTime value
Arguments and return type: @@ -4333,7 +4334,7 @@ fn:timezone-from-time($arg as xs:time?) as xs:dayTimeDuration? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:timezone-from-time(xs:time?) as xs:dayTimeDuration?
Extracts the timezone component from an xs:time value
Arguments and return type: @@ -4367,7 +4368,7 @@ fn:seconds-from-time($arg as xs:time?) as xs:decimal? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:seconds-from-time(xs:time?) as xs:decimal?
Extracts the seconds component from an xs:time value
Arguments and return type: @@ -4401,7 +4402,7 @@ fn:minutes-from-time($arg as xs:time?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:minutes-from-time(xs:time?) as xs:integer?
Extracts the minutes component from an xs:time value
Arguments and return type: @@ -4435,7 +4436,7 @@ fn:hours-from-time($arg as xs:time?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:hours-from-time(xs:time?) as xs:integer?
Extracts the hours component from an xs:time value
Arguments and return type: @@ -4469,7 +4470,7 @@ fn:timezone-from-date($arg as xs:date?) as xs:dayTimeDuration? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:timezone-from-date(xs:date?) as xs:dayTimeDuration?
Extracts the timezone component from an xs:date value
Arguments and return type: @@ -4503,7 +4504,7 @@ fn:day-from-date($arg as xs:date?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:day-from-date(xs:date?) as xs:integer?
Extracts the day component from an xs:date value
Arguments and return type: @@ -4537,7 +4538,7 @@ fn:month-from-date($arg as xs:date?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:month-from-date(xs:date?) as xs:integer?
Extracts the month component from an xs:date value
Arguments and return type: @@ -4571,7 +4572,7 @@ fn:year-from-date($arg as xs:date?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:year-from-date(xs:date?) as xs:integer?
Extracts the year component from an xs:date value
Arguments and return type: @@ -4605,7 +4606,7 @@ fn:timezone-from-dateTime($arg as xs:dateTime?) as xs:dayTimeDuration? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:timezone-from-dateTime(xs:dateTime?) as xs:dayTimeDuration?
Extracts the timezone component from an xs:dateTime value
Arguments and return type: @@ -4639,7 +4640,7 @@ fn:seconds-from-dateTime($arg as xs:dateTime?) as xs:decimal? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:seconds-from-dateTime(xs:dateTime?) as xs:decimal?
Extracts the seconds component from an xs:dateTime value
Arguments and return type: @@ -4674,7 +4675,7 @@ fn:minutes-from-dateTime($arg as xs:dateTime?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:minutes-from-dateTime(xs:dateTime?) as xs:integer?
Extracts the minutes component from an xs:dateTime value
Arguments and return type: @@ -4708,7 +4709,7 @@ fn:hours-from-dateTime($arg as xs:dateTime?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:hours-from-dateTime(xs:dateTime?) as xs:integer?
Extracts the hours component from an xs:dateTime value
Arguments and return type: @@ -4742,7 +4743,7 @@ fn:day-from-dateTime($arg as xs:dateTime?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:day-from-dateTime(xs:dateTime?) as xs:integer?
Extracts the day component from an xs:dateTime value
Arguments and return type: @@ -4776,7 +4777,7 @@ fn:month-from-dateTime($arg as xs:dateTime?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:month-from-dateTime(xs:dateTime?) as xs:integer?
Extracts the month component from an xs:dateTime value
Arguments and return type: @@ -4810,7 +4811,7 @@ fn:year-from-dateTime($arg as xs:dateTime?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:year-from-dateTime(xs:dateTime?) as xs:integer?
Extracts the year component from an xs:dateTime value
Arguments and return type: @@ -4884,7 +4885,7 @@ fn:seconds-from-duration($arg as xs:duration?) as xs:decimal? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:seconds-from-duration(xs:duration?) as xs:decimal?
Returns the seconds component of the duration
Arguments and return type: @@ -4918,7 +4919,7 @@ fn:minutes-from-duration($arg as xs:duration?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:minutes-from-duration(xs:duration?) as xs:integer?
Returns the minutes component of the duration
Arguments and return type: @@ -4952,7 +4953,7 @@ fn:hours-from-duration($arg as xs:duration?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:hours-from-duration(xs:duration?) as xs:integer?
Returns the hours component of the duration
Arguments and return type: @@ -4986,7 +4987,7 @@ fn:days-from-duration($arg as xs:duration?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:days-from-duration(xs:duration?) as xs:integer?
Returns the days component of the duration
Arguments and return type: @@ -5021,7 +5022,7 @@ fn:months-from-duration($arg as xs:duration?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:months-from-duration(xs:duration?) as xs:integer?
Returns the months component of the duration
Arguments and return type: @@ -5055,7 +5056,7 @@ fn:years-from-duration($arg as xs:duration?) as xs:integer? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:years-from-duration(xs:duration?) as xs:integer?
Returns the years component of the duration
Arguments and return type: @@ -5128,15 +5129,15 @@
-
-
+
+
fn:trace($value as item()*, $label as xs:string) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:trace(item()*, xs:string) as item()*
Outputs the provided label and value for diagnostic purposes and returns the value unchanged
@@ -5176,7 +5177,7 @@ fn:error($error as xs:QName?, $description as xs:string?, $error-object as item()*) + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:error(xs:QName?, xs:string?, $error-object as item()*)
Raises an error with the specified error code, description, and error object
Arguments and return type: @@ -5218,15 +5219,15 @@
-
-
+
+
fn:function-arity($function as function(*)) as xs:integer + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:function-arity(function(*)) as xs:integer
Returns the arity (number of arguments) of the specified function
Arguments and return type: @@ -5262,7 +5263,7 @@ fn:function-name($function as function(*)) as xs:QName? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:function-name(function(*)) as xs:QName?
Returns the QName of the specified function
Arguments and return type: @@ -5299,7 +5300,7 @@ fn:function-lookup($functionName as xs:QName, $arity as xs:integer) as function(*)? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:function-lookup(xs:QName, xs:integer) as function(*)?
Returns a function with the specified QName and arity if available, otherwise returns an empty sequence
@@ -5410,7 +5411,7 @@ fn:serialize($node as item()?, $options as item()?) as xs:string? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:serialize(item()?, item()?) as xs:string?
Serializes an XML node, producing a string representation of the node
Arguments and return type: @@ -5455,7 +5456,7 @@ fn:parse-xml-fragment($srcval as xs:string?) as document-node(element(*))? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:parse-xml-fragment(xs:string?) as document-node(element(*))?
Parses a string containing an XML fragment and returns a corresponding document node
@@ -5492,7 +5493,7 @@ fn:parse-xml($srcval as xs:string?) as document-node(element(*))? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:parse-xml(xs:string?) as document-node(element(*))?
Parses a string containing an XML document and returns a corresponding document node
@@ -5563,7 +5564,7 @@ fn:environment-variable($name as xs:string) as xs:string? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:environment-variable(xs:string) as xs:string?
Retrieves the value of an environment variable
Arguments and return type: @@ -5599,7 +5600,7 @@ fn:uri-collection($uri as xs:string?) as xs:anyURI* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:uri-collection(xs:string?) as xs:anyURI*
Returns a sequence of URIs in a collection identified by a URI
Arguments and return type: @@ -5639,7 +5640,7 @@
fn:doc-available($uri as xs:string?) as xs:boolean + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:doc-available(xs:string?) as xs:boolean
Tests whether an XML document is available at a given URI
Arguments and return type: @@ -5679,7 +5680,7 @@ fn:doc($uri as xs:string?) as document-node()? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:doc(xs:string?) as document-node()?
Loads an XML document from a URI and returns the document node
Arguments and return type: @@ -5719,7 +5720,7 @@ fn:generate-id($node as node()?) as xs:string + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:generate-id(node()?) as xs:string
Returns a unique identifier for the specified node
Arguments and return type: @@ -5758,7 +5759,7 @@ fn:idref($arg as xs:string*) as node()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:idref(xs:string*) as node()*
Returns a sequence of nodes that are referenced by the specified IDREF attribute values
@@ -5799,7 +5800,7 @@ fn:id($arg as xs:string*) as element()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:id(xs:string*) as element()*
Returns a sequence of elements with the specified ID attribute values
Arguments and return type: @@ -5837,7 +5838,7 @@ fn:lang($testlang as xs:string, $node as node()?) as xs:boolean + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:lang(xs:string, node()?) as xs:boolean
Returns true if the language of the specified node or its nearest ancestor matches the given language code
@@ -5877,7 +5878,7 @@ fn:in-scope-prefixes($element as element()) as xs:string* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:in-scope-prefixes(element()) as xs:string*
Returns a sequence of strings representing the prefixes of the in-scope namespaces for the specified element
@@ -5908,7 +5909,7 @@ fn:namespace-uri-for-prefix($prefix as xs:string?, $element as element()) as xs:anyURI? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:namespace-uri-for-prefix(xs:string?, element()) as xs:anyURI?
Returns the namespace URI associated with the given prefix, using the in-scope namespaces for the specified element
@@ -5947,7 +5948,7 @@ fn:namespace-uri-from-QName($arg as xs:QName?) as xs:anyURI? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:namespace-uri-from-QName(xs:QName?) as xs:anyURI?
Returns the namespace URI of the given QName value, or an empty sequence if there's no namespace URI
@@ -5983,7 +5984,7 @@ fn:local-name-from-QName($arg as xs:QName?) as xs:NCName? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:local-name-from-QName(xs:QName?) as xs:NCName?
Returns the local name of the given QName value, or an empty sequence if there's no local name
@@ -6019,7 +6020,7 @@ fn:prefix-from-QName($arg as xs:QName?) as xs:NCName? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:prefix-from-QName(xs:QName?) as xs:NCName?
Returns the prefix of the given QName value, or an empty sequence if there's no prefix
@@ -6055,7 +6056,7 @@ fn:QName($paramURI as xs:string?, $paramQName as xs:string) as xs:QName + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:QName(xs:string?, xs:string) as xs:QName
Constructs an xs:QName value from a namespace URI and a lexical QName
Arguments and return type: @@ -6093,7 +6094,7 @@ fn:resolve-QName($qname as xs:string?, $element as element()) as xs:QName? + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:resolve-QName(xs:string?, element()) as xs:QName?
Resolves a QName by expanding a prefix using the in-scope namespaces of a given element
@@ -6146,9 +6147,9 @@
-
+
-
+
@@ -6156,7 +6157,7 @@
fn:for-each-pair($sourceSeq1 as item()*, $sourceSeq2 as item()*, $processingFunc as function(item(), item()) as item()*) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:for-each-pair($sourceSeq1 as item()*, $sourceSeq2 as item()*, function(item(), item()) as item()*) as item()*
Applies a processing function to pairs of items from two input sequences in a pairwise fashion, resulting in a sequence of the same length as the shorter input @@ -6206,7 +6207,7 @@ fn:filter($sourceSeq as item()*, $predicate as function(item()) as xs:boolean) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:filter(item()*, function(item()) as xs:boolean) as item()*
Filters a sequence of items based on a given predicate function
Arguments and return type: @@ -6245,7 +6246,7 @@ fn:for-each($sourceSeq as item()*, $action as function(item()) as item()*) as item()* + class="hyperlink collapsible collapsibleMini collapseTrigger">fn:for-each(item()*, function(item()) as item()*) as item()*
Applies a specified function to each item in a sequence, returning a new sequence
@@ -6288,6 +6289,5610 @@
+ +
+ + + +
+ + fn:outermost(node()*) as node()* +
+ Returns the outermost nodes of the input sequence that are not ancestors of any other + node in the input sequence
+ Arguments and return type: + + + + + + + + + +
TypeDescription
node()*Sequence of nodes
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:outermost(//chapter)Sequence of outermost chapter nodes
fn:outermost(/book//*)Sequence of outermost nodes in the book

+ W3C Documentation reference: outermost +
+ + + fn:innermost(node()*) as node()* +
+ Returns the innermost nodes of the input sequence that are not descendants of any other + node in the input sequence
+ Arguments and return type: + + + + + + + + + +
TypeDescription
node()*Sequence of nodes
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:innermost(//chapter)Sequence of innermost chapter nodes
fn:innermost(/book//*)Sequence of innermost nodes in the book

+ W3C Documentation reference: innermost +
+ + + fn:has-children(node()?) as xs:boolean +
+ Returns true if the specified node has one or more children, otherwise returns false
+ Arguments and return type: + + + + + + + + + +
TypeDescription
node()?Optional node
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:has-children(/book/chapter[1])true
fn:has-children(/book/chapter[1]/title)false

+ W3C Documentation reference: has-children +
+ + + fn:path(node()?) as xs:string +
+ Returns a string that represents the path of the specified node within the XML + document
+ Arguments and return type: + + + + + + + + + +
TypeDescription
node()?Optional node
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:path(/book/chapter[1])/book/chapter[1]
fn:path(/book/chapter[2]/title)/book/chapter[2]/title

+ W3C Documentation reference: path +
+ + + fn:root(node()?) as node()? +
+ Returns the root node of the tree that contains the specified node
+ Arguments and return type: + + + + + + + + + +
TypeDescription
node()?Optional node
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:root(/book/chapter)<book> element (root node)
fn:root(/book/chapter[1])<book> element (root node)

+ W3C Documentation reference: root +
+ + + fn:namespace-uri(node()?) as xs:anyURI +
+ Returns the namespace URI of the specified node
+ Arguments and return type: + + + + + + + + + +
TypeDescription
node()?Optional node
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:namespace-uri(/example:root)"http://www.example.com/ns"
fn:namespace-uri(/a/b)""

+ W3C Documentation reference: namespace-uri +
+ + + fn:local-name(node()?) as xs:string +
+ Returns the local part of the name of the specified node
+ Arguments and return type: + + + + + + + + + +
TypeDescription
node()?Optional node
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:local-name(/a/b)"b"
fn:local-name(/example:root)"root"

+ W3C Documentation reference: local-name +
+ + fn:name(node()?) as xs:string +
+ Returns the expanded QName of the specified node as a string
+ Arguments and return type: + + + + + + + + + +
TypeDescription
node()?Optional node
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:name(/a/b)"b"
fn:name(/example:root)"example:root"

+ W3C Documentation reference: name +
+ + + + fn:document-uri(node?) +
+ Returns the document URI of the given node or the context item
+ Arguments and return type: + + + + + + + + + +
TypeDescription
node?Returns the document URI of the specified node or the context item (if no + argument is provided)
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:document-uri(/library/fiction:book[1])http://example.com/library.xml (assuming the document URI of the first + fiction:book element is "http://example.com/library.xml")
fn:document-uri(/library)http://example.com/library.xml (assuming the document URI of the library + element is "http://example.com/library.xml")

+ W3C Documentation reference: Document-URI +
+ + + fn:base-uri(node?) +
+ Returns the base URI of the node or the context item
+ Arguments and return type: + + + + + + + + + +
TypeDescription
node?Returns the base URI of the specified node or the context item (if no + argument is provided)
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:base-uri(/library/fiction:book[1])http://example.com/library.xml (assuming the base URI of the first + fiction:book element is "http://example.com/library.xml")
fn:base-uri(/library)http://example.com/library.xml (assuming the base URI of the library element + is "http://example.com/library.xml")

+ W3C Documentation reference: Base-URI +
+ + + fn:node-name(node?) +
+ + Returns the name of a node as an xs:QName
+ Arguments and return type: + + + + + + + + + +
TypeDescription
node?Returns the name of the specified node or the context item if the argument + is omitted
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:node-name(/library/*[1])fiction:book
fn:node-name(/library/fiction:book[1]/title)title

+ W3C Documentation reference: Node-Name +
+ +
+
+
+ + + +
+ + fn:not(item()*) as xs:boolean +
+ Returns the negation of the effective boolean value of the argument
+ Arguments and return type: + + + + + + + + + +
TypeDescription
item()*Argument whose effective boolean value is to be negated
+ Examples:
+ + + + + + + + + + + + + + + + + + + + + +
ExpressionResult
fn:not(1)false
fn:not(0)true
fn:not('')true
fn:not('true')false

+ W3C Documentation reference: Not +
+ + + fn:false() as xs:boolean +
+ Returns the boolean value false
+ Arguments and return type: + + + + + + + + + +
TypeDescription
NoneReturns the boolean value false
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:false()false
//item[fn:false()]Returns an empty node-set

+ W3C Documentation reference: False +
+ + + fn:true() as xs:boolean +
+ Returns the boolean value true
+ Arguments and return type: + + + + + + + + + +
TypeDescription
NoneReturns the boolean value true
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:true()true
//item[fn:true()]Returns all <item> elements

+ W3C Documentation reference: True +
+ + + fn:boolean(item()*) as xs:boolean +
+ Converts the argument to a boolean value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
item()*Argument to be converted to a boolean value
+ Examples:
+ + + + + + + + + + + + + + + + + + + + + +
ExpressionResult
fn:boolean(1)true
fn:boolean(0)false
fn:boolean('')false
fn:boolean('true')true

+ W3C Documentation reference: Boolean +
+ + +
+
+
+ + + +
+ + fn:unparsed-text-available(xs:string?, xs:string?) as xs:boolean +
+ Determines if an unparsed text resource identified by a URI can be read using the given + encoding
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
xs:string?The URI identifying the unparsed text resource
xs:string?The encoding to be used for reading the resource
xs:booleanIndicates if the resource can be read using the given encoding
+ Examples:
+ + + + + + + + + +
ExpressionResult
fn:unparsed-text-available("http://www.example.com/text.txt", "UTF-8")Returns true if the text resource identified by the specified URI can be + read using the specified encoding, otherwise false

+ W3C Documentation reference: unparsed-text-available +
+ + + fn:unparsed-text-lines(xs:string?, xs:string?) as xs:string* +
+ Returns the contents of an unparsed text resource identified by a URI, split into + lines
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
xs:string?The URI identifying the unparsed text resource
xs:string?The encoding to be used for reading the resource
xs:string*The lines of the unparsed text resource
+ Examples:
+ + + + + + + + + +
ExpressionResult
fn:unparsed-text-lines("http://www.example.com/text.txt", "UTF-8")Returns the lines of the text resource identified by the specified URI, + using the specified encoding

+ W3C Documentation reference: unparsed-text-lines +
+ + + fn:unparsed-text(xs:string?, xs:string?) as xs:string? +
+ Returns the contents of an unparsed text resource identified by a URI
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
xs:string?The URI identifying the unparsed text resource
xs:string?The encoding to be used for reading the resource
xs:string?The contents of the unparsed text resource
+ Examples:
+ + + + + + + + + +
ExpressionResult
fn:unparsed-text("http://www.example.com/text.txt", "UTF-8")Returns the contents of the text resource identified by the specified URI, + using the specified encoding

+ W3C Documentation reference: unparsed-text +
+ + + fn:escape-html-uri(xs:string?) as xs:string +
+ Escapes special characters in a URI to be used in HTML
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:string?URI to be escaped for use in HTML
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:escape-html-uri('https://example.com/search?q=test&lang=en')https://example.com/search?q=test&lang=en
fn:escape-html-uri('https://example.com/page?id=1§ion=2')https://example.com/page?id=1&section=2

+ W3C Documentation reference: Escape-HTML-URI +
+ + + fn:iri-to-uri(xs:string?) as xs:string +
+ Converts an IRI to a URI by escaping non-ASCII characters
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:string?IRI to be converted to a URI
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:iri-to-uri('https://example.com/ümlaut')https://example.com/%C3%BCmlaut
fn:iri-to-uri('https://example.com/日本語')https://example.com/%E6%97%A5%E6%9C%AC%E8%AA%9E

+ W3C Documentation reference: IRI-to-URI +
+ + + fn:encode-for-uri(xs:string?) as xs:string +
+ Encodes a string for use in a URI by escaping special characters
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:string?String to be encoded for use in a URI
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:encode-for-uri('hello world')hello%20world
fn:encode-for-uri('example?query=value¶m=value2')example%3Fquery%3Dvalue%26param%3Dvalue2

+ W3C Documentation reference: Encode-for-URI +
+ + + fn:resolve-uri(xs:string?, xs:string?) as xs:anyURI? +
+ Resolves a relative URI using a base URI
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?Relative URI to resolve
xs:string?Base URI to use for resolving (optional)
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:resolve-uri('example.html', 'https://www.example.com/folder/')https://www.example.com/folder/example.html
fn:resolve-uri('../images/pic.jpg', + 'https://www.example.com/folder/page.html')https://www.example.com/images/pic.jpg

+ W3C Documentation reference: Resolve-URI +
+ + + + fn:analyze-string(xs:string?, xs:string, xs:string?) as element(fn:analyze-string-result) +
+ Analyzes the input string and returns an XML fragment containing match and non-match + elements
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
xs:string?Input string to analyze
xs:stringRegular expression pattern to match
xs:string?Flags to control the regular expression matching (optional)
+ Examples:
+ + + + + + + + + +
ExpressionResult
fn:analyze-string('red,green,blue', ',') + <fn:analyze-string-result><fn:non-match>red</fn:non-match><fn:match>, + <fn:non-match>green</fn:non-match><fn:match>, + <fn:non-match>blue</fn:non-match></fn:analyze-string-result> +

+ W3C Documentation reference: Analyze-String +
+ + + fn:tokenize(xs:string?, xs:string, xs:string?) as xs:string* +
+ Splits the input string into a sequence of substrings using the pattern as a delimiter +
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
xs:string?Input string to tokenize
xs:stringRegular expression pattern to use as delimiter
xs:string?Flags to control the regular expression matching (optional)
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:tokenize('XPath 3.0, XQuery 3.0, XSLT 3.0', ',\\s*')('XPath 3.0', 'XQuery 3.0', 'XSLT 3.0')
fn:tokenize('apple,orange,banana', ',')('apple', 'orange', 'banana')

+ W3C Documentation reference: Tokenize +
+ + + fn:replace(xs:string?, xs:string, xs:string, xs:string?) as xs:string +
+ Replaces occurrences of the pattern in the input string with the replacement string
+ Arguments and return type: + + + + + + + + + + + + + + + + + + + + + +
TypeDescription
xs:string?Input string to search within
xs:stringRegular expression pattern to match
xs:stringReplacement string
xs:string?Flags to control the regular expression matching (optional)
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:replace('XPath 3.0 is great', '3.0', '3.1')'XPath 3.1 is great'
fn:replace('Hello, World!', 'World', 'XPath')'Hello, XPath!'

+ W3C Documentation reference: Replace +
+ + + fn:matches(xs:string?, xs:string, xs:string?) as xs:boolean +
+ Returns true if the input string matches the regular expression pattern, otherwise false +
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
xs:string?Input string to search within
xs:stringRegular expression pattern to match
xs:string?Flags to control the regular expression matching (optional)
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:matches('XPath 3.0', '\\d\\.\\d')true
fn:matches('Hello, World!', '[A-Z][a-z]*')true
fn:matches('example123', '\\d+', 'q')false

+ W3C Documentation reference: Matches +
+ + + fn:substring-after($arg1 as xs:string?, $arg2 as xs:string?) as xs:string +
+ Returns the part of the first string that follows the first occurrence of the second + string
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?Input string to search within
xs:string?Substring to search for
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:substring-after('Hello, World!', ',')' World!'
fn:substring-after('XPath 3.0 is awesome!', '3.0')' is awesome!'

+ W3C Documentation reference: Substring-After +
+ + + fn:substring-before($arg1 as xs:string?, $arg2 as xs:string?) as xs:string +
+ Returns the part of the first string that precedes the first occurrence of the second + string
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?Input string to search within
xs:string?Substring to search for
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:substring-before('Hello, World!', ',')'Hello'
fn:substring-before('XPath 3.0 is awesome!', '3.0')'XPath '

+ W3C Documentation reference: Substring-Before +
+ + + fn:ends-with($arg1 as xs:string?, $arg2 as xs:string?) as xs:boolean +
+ Returns true if the first string ends with the second string, otherwise false
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?Input string to check
xs:string?Substring to check for at the end of the first string
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:ends-with('Hello, World!', 'World!')true
fn:ends-with('Hello, World!', 'Hello')false
fn:ends-with('XPath 3.0', '3.0')true

+ W3C Documentation reference: Ends-With +
+ + + fn:starts-with($arg1 as xs:string?, $arg2 as xs:string?) as xs:boolean +
+ Returns true if the first string starts with the second string, otherwise false
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?Input string to check
xs:string?Substring to check for at the beginning of the first string
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:starts-with('Hello, World!', 'Hello')true
fn:starts-with('Hello, World!', 'World')false
fn:starts-with('XPath 3.0', 'XPath')true

+ W3C Documentation reference: Starts-With +
+ + + fn:contains($arg1 as xs:string?, $arg2 as xs:string?) as xs:boolean +
+ Returns true if the first string contains the second string, otherwise false
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?Input string to search within
xs:string?Substring to search for
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:contains('Hello, World!', 'World')true
fn:contains('Hello, World!', 'world')false
fn:contains('XPath 3.0', '3.0')true

+ W3C Documentation reference: Contains +
+ + + fn:translate(xs:string?, xs:string, xs:string) as xs:string +
+ Returns the input string with specified characters replaced
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
xs:string?Input string to be translated
xs:stringMap string with characters to replace
xs:stringTranslate string with replacement characters
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:translate('apple', 'aeiou', '12345')'1ppl2'
fn:translate('Hello, World!', 'HW', 'hw')'hello, world!'

+ W3C Documentation reference: Translate +
+ + + fn:lower-case(xs:string?) as xs:string +
+ Returns the input string with all characters converted to lowercase
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:string?Input string to convert to lowercase
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:lower-case('HELLO, WORLD!')'hello, world!'
fn:lower-case('XPath 3.0')'xpath 3.0'
fn:lower-case('BANANA')'banana'

+ W3C Documentation reference: Lower-Case +
+ + + fn:upper-case(xs:string?) as xs:string +
+ Returns the input string with all characters converted to uppercase
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:string?Input string to convert to uppercase
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:upper-case('Hello, World!')'HELLO, WORLD!'
fn:upper-case('XPath 3.0')'XPATH 3.0'
fn:upper-case('banana')'BANANA'

+ W3C Documentation reference: Upper-Case +
+ + + fn:normalize-unicode(xs:string?, xs:string) as xs:string +
+ Returns the input string with Unicode normalization applied
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?Input string to normalize
xs:stringNormalization form to apply (NFC, NFD, NFKC, NFKD)
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:normalize-unicode('Café', 'NFC')'Café'
fn:normalize-unicode('Café', 'NFD')'Café'

+ W3C Documentation reference: Normalize-Unicode +
+ + + fn:normalize-space(xs:string?) as xs:string +
+ Returns the input string with whitespace normalized
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:string?Input string to normalize whitespace
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:normalize-space(' Hello, World! ')'Hello, World!'
fn:normalize-space(' XPath 3.0 ')'XPath 3.0'
fn:normalize-space('\tbanana\t')'banana'

+ W3C Documentation reference: Normalize-Space +
+ + + fn:string-length(xs:string?) as xs:integer +
+ Returns the length of the input string
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:string?Input string to calculate length
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:string-length('Hello, World!')13
fn:string-length('XPath 3.0')8
fn:string-length('banana')6

+ W3C Documentation reference: String-Length +
+ + + fn:substring(xs:string?, xs:double) as xs:string +
+ Returns a substring of the source string, starting from a specific location
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?Input source string
xs:doubleStarting location to extract the substring
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:substring('Hello, World!', 1, 5)'Hello'
fn:substring('XPath 3.0', 7)'3.0'
fn:substring('banana', 2, 3)'ana'

+ W3C Documentation reference: Substring +
+ + fn:string-join($arg1 as xs:string*, xs:string) as xs:string +
+ Joins a sequence of strings with a specified separator, returning a single string
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string*Input sequence of strings to join
xs:stringSeparator string to insert between joined strings
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:string-join(('apple', 'banana', 'orange'), ', ')'apple, banana, orange'
fn:string-join(('XPath', '3.0', 'Functions'), ' - ')'XPath - 3.0 - Functions'
fn:string-join(('A', 'B', 'C'), '')'ABC'

+ W3C Documentation reference: String-Join +
+ + + fn:concat($arg1 as xs:anyAtomicType?, $arg2 as xs:anyAtomicType?, ...) as xs:string +
+ Concatenates two or more strings or atomic values, returning a single string
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:anyAtomicType?Input strings or atomic values to concatenate
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:concat('Hello', ' ', 'World')'Hello World'
fn:concat('I have ', 3, ' apples')'I have 3 apples'
fn:concat('XPath ', '3.0')'XPath 3.0'

+ W3C Documentation reference: Concat +
+ + + fn:codepoint-equal($comparand1 as xs:string?, $comparand2 as xs:string?) as xs:boolean? +
+ Compares two strings on a codepoint-by-codepoint basis and returns true if they are + equal, false otherwise
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?First string to compare
xs:string?Second string to compare
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:codepoint-equal('Hello', 'Hello')true
fn:codepoint-equal('Hello', 'hello')false
fn:codepoint-equal('apple', 'banana')false

+ W3C Documentation reference: Codepoint-Equal +
+ + + fn:compare($comparand1 as xs:string?, $comparand2 as xs:string?) as xs:integer? +
+ Compares two strings and returns -1, 0, or 1 if the first string is less than, equal to, + or greater than the second string, respectively
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?First string to compare
xs:string?Second string to compare
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:compare('apple', 'banana')-1
fn:compare('apple', 'apple')0
fn:compare('banana', 'apple')1

+ W3C Documentation reference: Compare +
+ + + fn:string-to-codepoints(xs:string?) as xs:integer* +
+ Returns a sequence of Unicode code points for a given string
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:string?Input string
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:string-to-codepoints('Hello')(72, 101, 108, 108, 111)
fn:string-to-codepoints('( ͡° ͜ʖ ͡°)')(40, 32, 865, 176, 32, 860, 662, 32, 865, 176, 41)
fn:string-to-codepoints('😊')(128522)

+ W3C Documentation reference: String-To-Codepoints +
+ + + fn:codepoints-to-string(xs:integer*) as xs:string +
+ Constructs a string from a sequence of Unicode code points
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:integer*Sequence of Unicode code points
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:codepoints-to-string((72, 101, 108, 108, 111))Hello
codepoints-to-string((40, 32, 865, 176, 32, 860, 662, 32, 865, 176, 41)) + ( ͡° ͜ʖ ͡°)
fn:codepoints-to-string((128522))😊

+ W3C Documentation reference: Codepoints-To-String +
+ + + + fn:string(object) +
+ Returns the string representation of the object argument
+ Arguments and return type: + + + + + + + + + +
TypeDescription
stringThe object to convert to a string
Examples:
+ + + + + + + + + + + + + +
ExpressionResult
string((1<0))false
string(.11)0.11

+ W3C Documentation reference: String-Functions +
+ + +
+
+
+ + + +
+ + + fn:format-number(numeric?, xs:string, item()?) as xs:string +
+ Returns a string that represents a formatted version of a number using a formatting pattern and an optional + set of properties
+ Arguments and return type: + + + + + + + + + + + + + + + + + + + + + +
TypeDescription
numeric?The number to format
xs:stringThe formatting pattern
item()?Optional: the set of properties for formatting the number
xs:stringThe formatted number as a string
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
format-number(12345.678, "#,##0.00")Returns the formatted number: "12,345.68"
format-number(12345.678, "#,##0")Returns the formatted number: "12,346"
format-number(12345.678, "0.000")Returns the formatted number: "12345.678"

+ W3C Documentation reference: format-number +
+ + + + fn:format-integer(xs:integer?, xs:string) as xs:string? +
+ Formats an integer value according to the supplied picture string
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:integer?Integer value to be formatted
xs:stringPicture string defining the format
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:format-integer(12345, '0,0')12,345
fn:format-integer(-1234, '0,0')-1,234
fn:format-integer(1234, '00-00-00')01-23-45

+ W3C Documentation reference: Format-Integer +
+ + + fn:round-half-to-even(numeric?) as numeric? +
+ Returns the closest integer to the given numeric value, rounding half-way cases to the + nearest even integer (also known as "bankers' rounding")
+ Arguments and return type: + + + + + + + + + +
TypeDescription
numeric?Numeric value for which the rounded value will be calculated
+ Examples:
+ + + + + + + + + + + + + + + + + + + + + +
ExpressionResult
fn:round-half-to-even(3.5)4
fn:round-half-to-even(2.5)2
fn:round-half-to-even(-1.5)-2
fn:round-half-to-even(xs:decimal('1.25'), 1)1.2

+ W3C Documentation reference: Round-Half-To-Even +
+ + + fn:round(numeric?) as numeric? +
+ Returns the closest integer to the given numeric value, rounding half-way cases away + from zero
+ Arguments and return type: + + + + + + + + + +
TypeDescription
numeric?Numeric value for which the rounded value will be calculated
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:round(3.14)3
fn:round(-4.7)-5
fn:round(xs:decimal('2.5'))3

+ W3C Documentation reference: Round +
+ + + fn:floor(numeric?) as numeric? +
+ Returns the largest integer less than or equal to the given numeric value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
numeric?Numeric value for which the floor value will be calculated
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:floor(3.14)3
fn:floor(-4.7)-5
fn:floor(xs:decimal('2.5'))2

+ W3C Documentation reference: Floor +
+ + + + fn:ceiling(numeric?) as numeric? +
+ Returns the smallest integer greater than or equal to the given numeric value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
numeric?Numeric value for which the ceiling value will be calculated
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:ceiling(3.14)4
fn:ceiling(-4.7)-4
fn:ceiling(xs:decimal('2.5'))3

+ W3C Documentation reference: Ceiling +
+ + + fn:abs(numeric?) as numeric? +
+ Returns the absolute value of the given numeric value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
numeric?Numeric value for which the absolute value will be calculated
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:abs(-42)42
fn:abs(3.14)3.14
fn:abs(xs:decimal('-5.5'))5.5

+ W3C Documentation reference: Abs +
+ + fn:number(item?) +
+ Converts the given value to a number
+ Arguments and return type: + + + + + + + + + +
TypeDescription
item?Returns the numeric value of the specified expression or the context item + (if no argument is provided)
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:number(/library/fiction:book[1]/@id)1 (if the first fiction:book element's id attribute is "1")
fn:number(/library/fiction:book[1]/price)19.99 (if the first fiction:book element's price element contains "19.99") +

+ W3C Documentation reference: Number +
+ + + + +
+
+ +
+ + + +
+ + fn:fold-right(item()*, item()*, function(item(), item()*) as item()*) as item()* +
+ Applies a processing function cumulatively to the items of a sequence from right to + left, so as to reduce the sequence to a single value
+ Arguments and return type: + + + + + + + + + + + + + + + + + + + + + +
TypeDescription
item()*The input sequence of items
item()*The initial value, also known as the zero value
function(item(), item()*)The processing function used to accumulate the items
item()*The resulting single value after applying the processing function
+ Examples:
+ + + + + + + + + +
ExpressionResult
fold-right((1, 2, 3, 4), 0, function($current, $accumulator) { $accumulator + - $current })Returns the result of subtracting each number in the input sequence from + right to left: -2

+ W3C Documentation reference: fold-right +
+ + + fn:fold-left(item()*, item()*, function(item()*, item()) as item()*) as item()* +
+ Applies a processing function cumulatively to the items of a sequence from left to + right, so as to reduce the sequence to a single value
+ Arguments and return type: + + + + + + + + + + + + + + + + + + + + + +
TypeDescription
item()*The input sequence of items
item()*The initial value, also known as the zero value
function(item()*, item())The processing function used to accumulate the items
item()*The resulting single value after applying the processing function
+ Examples:
+ + + + + + + + + +
ExpressionResult
fold-left((1, 2, 3, 4), 0, function($accumulator, $current) { $accumulator + + $current })Returns the sum of the numbers in the input sequence: 10

+ W3C Documentation reference: fold-left +
+ + + + + fn:last() +
+ Returns the position of the last item in the current context sequence
+ Arguments and return type: + + + + + + + + + +
TypeDescription
NoneReturns the position of the last item in the current context sequence
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
/library/fiction:book[position() = last()]Returns the last fiction:book element in the library
/library/fiction:book[last()]Returns the last fiction:book element in the library

+ W3C Documentation reference: Last +
+ + fn:position() as xs:integer +
+ Returns the context position of the context item in the sequence currently being + processed
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
NoneFunction takes no arguments
xs:integerThe position of the context item in the sequence
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
<items><item>Item 1</item><item>Item + 2</item></items>/item[position()=2]Returns '<item>Item 2</item>'
<items><item>Item 1</item><item>Item + 2</item></items>/item[position()=1]Returns '<item>Item 1</item>'

+ W3C Documentation reference: position +
+ + + fn:collection(xs:string?) as document-node()* +
+ Returns a sequence of document nodes obtained from the collection identified by the argument URI, or the + default collection if no argument is supplied.
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?The URI of the collection to retrieve (Optional)
document-node()*A sequence of document nodes obtained from the collection
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
collection()Returns the sequence of document nodes from the default collection
collection("http://example.com/collection")Returns the sequence of document nodes from the collection identified by the specified URI
count(collection())Returns the number of document nodes in the default collection

+ W3C Documentation reference: collection +
+ + + fn:sum(xs:anyAtomicType*, xs:anyAtomicType?) as xs:anyAtomicType? +
+ Returns the sum of a sequence of numeric values
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
xs:anyAtomicType*Input sequence of numeric values
xs:anyAtomicType?Value to return if the sequence is empty (optional)
xs:anyAtomicType?Sum of the input sequence
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:sum((10, 20, 30, 40, 50))150
fn:sum((), 0)0

+ W3C Documentation reference: sum +
+ + + fn:min(xs:anyAtomicType*) as xs:anyAtomicType? +
+ Returns the minimum value of a sequence of atomic values, according to the ordering rules for the value's + type
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:anyAtomicType*The input sequence of atomic values
xs:anyAtomicType?The minimum value of the input sequence, or the empty sequence if the input sequence is empty +
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
min((5, 1, 9, 3))Returns the minimum value: 1
min(())Returns the empty sequence: ()
min(("apple", "banana", "cherry"))Returns the minimum value (alphabetical order): "apple"

+ W3C Documentation reference: min +
+ + + fn:max(xs:anyAtomicType*) as xs:anyAtomicType? +
+ Returns the maximum value of a sequence of atomic values, according to the ordering rules for the value's + type
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:anyAtomicType*The input sequence of atomic values
xs:anyAtomicType?The maximum value of the input sequence, or the empty sequence if the input sequence is empty +
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
max((5, 1, 9, 3))Returns the maximum value: 9
max(())Returns the empty sequence: ()
max(("apple", "banana", "cherry"))Returns the maximum value (alphabetical order): "cherry"

+ W3C Documentation reference: max +
+ + + + fn:avg(xs:anyAtomicType*) as xs:anyAtomicType? +
+ Computes the average of the numeric values in the input sequence
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:anyAtomicType*Input sequence of numeric values
xs:anyAtomicType?Average of the numeric values in the input sequence
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:avg((10, 20, 30, 40, 50))30
fn:avg((2.5, 3.5, 4.5))3.5
fn:avg(())empty sequence

+ W3C Documentation reference: avg +
+ + + fn:count(item()*) as xs:integer +
+ Returns the number of items in the input sequence
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
item()*Input sequence
xs:integerNumber of items in the input sequence
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:count(('apple', 'banana', 'orange'))3
fn:count(())0
fn:count((1, 2, 3, 4, 5))5

+ W3C Documentation reference: count +
+ + + fn:exactly-one(item()*) as item() +
+ Returns the single item in the input sequence or raises an error if the sequence is + empty or contains more than one item
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
item()*Input sequence
item()Single item from the input sequence, otherwise an error is raised
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:exactly-one(('apple'))'apple'
fn:exactly-one(('apple', 'banana'))Error (more than one item)
fn:exactly-one(())Error (empty sequence)

+ W3C Documentation reference: exactly-one +
+ + + fn:one-or-more(item()*) as item()+ +
+ Returns the input sequence if it contains one or more items, otherwise raises an + error
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
item()*Input sequence
item()+Sequence containing one or more items, otherwise an error is raised
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:one-or-more(('apple', 'banana'))('apple', 'banana')
fn:one-or-more(('pear'))('pear')

+ W3C Documentation reference: one-or-more +
+ + + fn:zero-or-one(item()*) as item()? +
+ Returns the input sequence if it contains zero or one items, otherwise raises an + error
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
item()*Input sequence
item()?Sequence containing zero or one item, otherwise an error is raised
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:zero-or-one(('apple'))('apple')
fn:zero-or-one(())()

+ W3C Documentation reference: zero-or-one +
+ + + fn:deep-equal($parameter1 as item()* , $parameter2 as item()*) as xs:boolean +
+ Returns true if the two input sequences are deep-equal, meaning that they have the same + structure and atomic values
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
item()*First input sequence
item()*Second input sequence
xs:booleanTrue if the input sequences are deep-equal, otherwise false
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:deep-equal((1, 2, 3), (1, 2, 3))true
fn:deep-equal((1, 2, 3), (1, 2, 4))false

+ W3C Documentation reference: deep-equal +
+ + + fn:index-of(xs:anyAtomicType*, xs:anyAtomicType) as xs:integer* +
+ Returns a sequence of integers indicating the positions of items in the input sequence + that are equal to the search item
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
xs:anyAtomicType*Input sequence of atomic values
xs:anyAtomicTypeSearch item to find in the input sequence
xs:integer*Sequence of integers representing the positions of the search item in the + input sequence
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:index-of((3, 1, 4, 1, 5, 9, 2, 2, 3), 1)(2, 4)
fn:index-of(('apple', 'banana', 'orange', 'apple', 'grape', 'orange'), + 'apple')(1, 4)

+ W3C Documentation reference: index-of +
+ + + fn:distinct-values(xs:anyAtomicType*) as xs:anyAtomicType* +
+ Returns a sequence of distinct atomic values from the input sequence
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:anyAtomicType*Input sequence of atomic values
xs:anyAtomicType*Distinct sequence of atomic values
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:distinct-values((3, 1, 4, 1, 5, 9, 2, 2, 3))(3, 1, 4, 5, 9, 2)
fn:distinct-values(('apple', 'banana', 'orange', 'apple', 'grape', + 'orange'))('apple', 'banana', 'orange', 'grape')

+ W3C Documentation reference: distinct-values +
+ + + fn:unordered(item()*) as item()* +
+ Returns the items of a sequence in an implementation-dependent order
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
item()*Input sequence
item()*Unordered sequence
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:unordered((3, 1, 4, 1, 5, 9, 2))(1, 2, 3, 4, 5, 9, 1) (example result; actual order may vary)
fn:unordered(('apple', 'banana', 'orange', 'grape'))('banana', 'apple', 'orange', 'grape') (example result; actual order may + vary)

+ W3C Documentation reference: unordered +
+ + + fn:subsequence(item()*, xs:double, xs:double) as item()* +
+ Returns a subsequence of a given sequence starting at a specified position with a + specified length
+ Arguments and return type: + + + + + + + + + + + + + + + + + + + + + +
TypeDescription
item()*Input sequence
xs:doubleStarting position
xs:doubleLength of subsequence
item()*Subsequence
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:subsequence((1, 2, 3, 4, 5), 2, 3)(2, 3, 4)
fn:subsequence(('apple', 'banana', 'orange', 'grape'), 1, 2)('apple', 'banana')
fn:subsequence(('red', 'blue', 'green', 'yellow'), 3)('green', 'yellow')

+ W3C Documentation reference: subsequence +
+ + + fn:reverse(item()*) as item()* +
+ Reverses the order of items in a sequence
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
item()*Input sequence
item()*Reversed sequence
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:reverse((1, 2, 3, 4))(4, 3, 2, 1)
fn:reverse(('apple', 'banana', 'orange'))('orange', 'banana', 'apple')
fn:reverse(('red', 'blue', 'green'))('green', 'blue', 'red')

+ W3C Documentation reference: reverse +
+ + + fn:remove(item()*, xs:integer) as item()* +
+ Removes an item from a sequence at the specified position
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
item()*Target sequence
xs:integerPosition of the item to remove
item()*New sequence with the item removed
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:remove((1, 2, 3, 4), 2)(1, 3, 4)
fn:remove(('apple', 'banana', 'orange'), 3)('apple', 'banana')
fn:remove((10, 20, 30), 1)(20, 30)

+ W3C Documentation reference: remove +
+ + + fn:insert-before(item()*, xs:integer, item()*) as item()* +
+ Inserts items from the specified sequence into another sequence at a given position
+ Arguments and return type: + + + + + + + + + + + + + + + + + + + + + +
TypeDescription
item()*Target sequence
xs:integerPosition at which to insert the items
item()*Sequence of items to insert
item()*New sequence with items inserted
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:insert-before((1, 3, 4), 2, (2))(1, 2, 3, 4)
fn:insert-before(('apple', 'orange'), 1, ('banana'))('banana', 'apple', 'orange')
fn:insert-before((10, 20, 30), 4, (40))(10, 20, 30, 40)

+ W3C Documentation reference: insert-before +
+ + + fn:tail(item()*) as item()* +
+ Returns all items of the input sequence except the first one, or an empty sequence if + the input is empty or contains only one item
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
item()*Sequence of items
item()*All items except the first one, or an empty sequence
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:tail((1, 2, 3))(2, 3)
fn:tail((1))()
fn:tail(/books/book/author)All authors in the "books" element except the first one

+ W3C Documentation reference: tail +
+ + + fn:head(item()*) as item()? +
+ Returns the first item of the input sequence, or an empty sequence if the input is + empty
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
item()*Sequence of items
item()?The first item of the sequence, or an empty sequence
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:head((1, 2, 3))1
fn:head(())()
fn:head(/books/book[1]/author)The first author of the first book in the "books" element

+ W3C Documentation reference: head +
+ + + fn:exists(item()*) as xs:boolean +
+ Returns true if the input sequence is not empty, otherwise returns false
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
item()*Sequence of items
xs:booleanResult of the test (true or false)
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:exists((1, 2, 3))true
fn:exists(())false
fn:exists(//chapter[5])true if there are at least 5 chapters, otherwise false

+ W3C Documentation reference: exists +
+ + + fn:empty(item()*) as xs:boolean +
+ Returns true if the input sequence is empty, otherwise returns false
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
item()*Sequence of items
xs:booleanResult of the test (true or false)
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
fn:empty((1, 2, 3))false
fn:empty(())true
fn:empty(//chapter[100])true if there are less than 100 chapters, otherwise false

+ W3C Documentation reference: empty +
+ + + + + fn:data(item*) +
+ Returns the simple value of an item or a sequence of items
+ Arguments and return type: + + + + + + + + + +
TypeDescription
item?Returns the simple value of the specified item or the context item (if no + argument is provided)
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:data(/library/fiction:book[1]/title)The Catcher in the Rye
fn:data(/library/fiction:book[2]/author)Harper Lee

+ W3C Documentation reference: Data +
+ + +
+
+ +
+ + + +
+ + + + fn:implicit-timezone() as xs:dayTimeDuration +
+ Returns the implicit timezone as an xs:dayTimeDuration
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
NoneFunction takes no arguments
xs:dayTimeDurationThe implicit timezone as a dayTimeDuration
+ Examples:
+ + + + + + + + + +
ExpressionResult
implicit-timezone()Returns the implicit timezone as an xs:dayTimeDuration, e.g., '-PT7H' +

+ W3C Documentation reference: implicit-timezone +
+ + + fn:current-time() as xs:time +
+ Returns the current time with timezone
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
NoneFunction takes no arguments
xs:timeThe current time with timezone
+ Examples:
+ + + + + + + + + +
ExpressionResult
current-time()Returns the current time with timezone, e.g., '13:45:30.123-07:00'

+ W3C Documentation reference: current-time +
+ + + fn:current-date() as xs:date +
+ Returns the current date with timezone
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
NoneFunction takes no arguments
xs:dateThe current date with timezone
+ Examples:
+ + + + + + + + + +
ExpressionResult
current-date()Returns the current date with timezone, e.g., '2023-03-29-07:00'

+ W3C Documentation reference: current-date +
+ + + fn:current-dateTime() as xs:dateTime +
+ Returns the current date and time with timezone
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
NoneFunction takes no arguments
xs:dateTimeThe current date and time with timezone
+ Examples:
+ + + + + + + + + +
ExpressionResult
current-dateTime()Returns the current date and time with timezone, e.g., + '2023-03-29T12:34:56.789-07:00'

+ W3C Documentation reference: current-dateTime +
+ + + fn:format-time(xs:time?, xs:string, xs:string?, xs:string?, xs:string?) as xs:string +
+ Formats a time value according to a formatting picture string, with optional language, calendar, and + country parameters.
+ Arguments and return type: + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
TypeDescription
xs:time?The time value to be formatted (Optional)
xs:stringThe formatting picture string
xs:string?The language for formatting (Optional)
xs:string?The calendar for formatting (Optional)
xs:string?The country for formatting (Optional)
xs:stringThe formatted time value as a string
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
format-time(xs:time("14:30:00"), "[H]:[m]")"14:30"
format-time(xs:time("14:30:00"), "[H]:[m]:[s]")"14:30:00"
format-time(xs:time("14:30:00.456"), "[H]:[m]:[s].[f]")"14:30:00.456"

+ W3C Documentation reference: format-time +
+ + + + fn:format-date(xs:date?, xs:string, xs:string?, xs:string?, xs:string?) as xs:string? +
+ Formats a date value using the provided picture string and optional language, + calendar, and country settings
+ Arguments and return type: + + + + + + + + + + + + + + + + + + + + + + + + + +
TypeDescription
xs:date?Date value
xs:stringPicture string
xs:string?Language
xs:string?Calendar
xs:string?Country
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:format-date(xs:date('2023-04-01'), '[Y0001]-[M01]-[D01]')2023-04-01
fn:format-date(xs:date('2023-04-01'), '[MNn,*-3] [D], [Y]')Apr 1, 2023

+ W3C Documentation reference: Format-Date +
+ + + fn:format-dateTime(xs:dateTime?, xs:string, xs:string?, xs:string?, xs:string?) as xs:string +
+ Formats a dateTime value according to a formatting picture string, with optional language, calendar, and + country parameters.
+ Arguments and return type: + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
TypeDescription
xs:dateTime?The dateTime value to be formatted (Optional)
xs:stringThe formatting picture string
xs:string?The language for formatting (Optional)
xs:string?The calendar for formatting (Optional)
xs:string?The country for formatting (Optional)
xs:stringThe formatted dateTime value as a string
+ Examples:
+ + + + + + + + + + + + + + + + + +
ExpressionResult
format-dateTime(xs:dateTime("2023-04-12T14:30:00"), "[Y]-[M]-[D]T[H]:[m]")"2023-04-12T14:30"
format-dateTime(xs:dateTime("2023-04-12T14:30:00"), "[FNn, Nn] [D] [MNn] [Y]")"Wednesday, 12 April 2023"
format-dateTime(xs:dateTime("2023-04-12T14:30:00.123"), "[Y]-[M]-[D]T[H]:[m]:[s].[f]")"2023-04-12T14:30:00.123"

+ W3C Documentation reference: format-dateTime +
+ + + + fn:adjust-time-to-timezone(xs:time?, xs:dayTimeDuration?) as xs:time? +
+ Adjusts the timezone of a time value
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:time?Time value
xs:dayTimeDuration?Timezone adjustment
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:adjust-time-to-timezone(xs:time('10:00:00-07:00'), + xs:dayTimeDuration('PT2H'))12:00:00-05:00
fn:adjust-time-to-timezone(xs:time('10:00:00Z'), + xs:dayTimeDuration('-PT3H'))07:00:00-03:00

+ W3C Documentation reference: Adjust-Time-To-Timezone +
+ + + + + fn:adjust-date-to-timezone(xs:date?, xs:dayTimeDuration?) as xs:date? +
+ Adjusts the timezone of a date value
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:date?Date value
xs:dayTimeDuration?Timezone adjustment
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:adjust-date-to-timezone(xs:date('2023-01-01-07:00'), + xs:dayTimeDuration('PT2H'))2023-01-01-05:00
fn:adjust-date-to-timezone(xs:date('2023-01-01Z'), + xs:dayTimeDuration('-PT3H'))2022-12-31-03:00

+ W3C Documentation reference: Adjust-Date-To-Timezone +
+ + + fn:adjust-dateTime-to-timezone(xs:dateTime?, xs:dayTimeDuration?) as xs:dateTime? +
+ Adjusts the timezone of a dateTime value
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:dateTime?DateTime value
xs:dayTimeDuration?Timezone adjustment
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:adjust-dateTime-to-timezone(xs:dateTime('2023-01-01T12:00:00-07:00'), + xs:dayTimeDuration('PT2H'))2023-01-01T17:00:00-05:00
fn:adjust-dateTime-to-timezone(xs:dateTime('2023-01-01T12:00:00Z'), + xs:dayTimeDuration('-PT3H'))2023-01-01T09:00:00-03:00

+ W3C Documentation reference: Adjust-DateTime-To-Timezone +
+ + + fn:timezone-from-time(xs:time?) as xs:dayTimeDuration? +
+ Extracts the timezone component from an xs:time value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:time?Time value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:timezone-from-time(xs:time('12:00:00-07:00'))-PT7H
fn:timezone-from-time(xs:time('14:30:00+02:30'))PT2H30M

+ W3C Documentation reference: Timezone-From-Time +
+ + + fn:seconds-from-time(xs:time?) as xs:decimal? +
+ Extracts the seconds component from an xs:time value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:time?Time value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:seconds-from-time(xs:time('21:45:30.5'))30.5
fn:seconds-from-time(xs:time('04:15:12.1'))12.1

+ W3C Documentation reference: Seconds-From-Time +
+ + + fn:minutes-from-time(xs:time?) as xs:integer? +
+ Extracts the minutes component from an xs:time value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:time?Time value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:minutes-from-time(xs:time('21:45:30'))45
fn:minutes-from-time(xs:time('04:15:12'))15

+ W3C Documentation reference: Minutes-From-Time +
+ + + fn:hours-from-time(xs:time?) as xs:integer? +
+ Extracts the hours component from an xs:time value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:time?Time value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:hours-from-time(xs:time('21:45:30'))21
fn:hours-from-time(xs:time('04:15:12'))4

+ W3C Documentation reference: Hours-From-Time +
+ + + fn:timezone-from-date(xs:date?) as xs:dayTimeDuration? +
+ Extracts the timezone component from an xs:date value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:date?Date value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:timezone-from-date(xs:date('2023-03-29+02:00'))PT2H
fn:timezone-from-date(xs:date('1980-12-15-05:00'))-PT5H

+ W3C Documentation reference: Timezone-From-Date +
+ + + fn:day-from-date(xs:date?) as xs:integer? +
+ Extracts the day component from an xs:date value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:date?Date value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:day-from-date(xs:date('2023-03-29'))29
fn:day-from-date(xs:date('1980-12-15'))15

+ W3C Documentation reference: Day-From-Date +
+ + + fn:month-from-date(xs:date?) as xs:integer? +
+ Extracts the month component from an xs:date value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:date?Date value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:month-from-date(xs:date('2023-03-29'))3
fn:month-from-date(xs:date('1980-12-15'))12

+ W3C Documentation reference: Month-From-Date +
+ + + fn:year-from-date(xs:date?) as xs:integer? +
+ Extracts the year component from an xs:date value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:date?Date value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:year-from-date(xs:date('2023-03-29'))2023
fn:year-from-date(xs:date('1980-12-15'))1980

+ W3C Documentation reference: Year-From-Date +
+ + + fn:timezone-from-dateTime(xs:dateTime?) as xs:dayTimeDuration? +
+ Extracts the timezone component from an xs:dateTime value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:dateTime?DateTime value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:timezone-from-dateTime(xs:dateTime('2023-03-29T12:30:45-07:00'))-PT7H
fn:timezone-from-dateTime(xs:dateTime('2023-12-15T18:45:30+03:30'))PT3H30M

+ W3C Documentation reference: Timezone-From-DateTime +
+ + + fn:seconds-from-dateTime(xs:dateTime?) as xs:decimal? +
+ Extracts the seconds component from an xs:dateTime value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:dateTime?DateTime value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:seconds-from-dateTime(xs:dateTime('2023-03-29T12:30:45'))45
fn:seconds-from-dateTime(xs:dateTime('2023-12-15T18:45:30.5-08:00')) + 30.5

+ W3C Documentation reference: Seconds-From-DateTime +
+ + + fn:minutes-from-dateTime(xs:dateTime?) as xs:integer? +
+ Extracts the minutes component from an xs:dateTime value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:dateTime?DateTime value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:minutes-from-dateTime(xs:dateTime('2023-03-29T12:30:00'))30
fn:minutes-from-dateTime(xs:dateTime('2023-12-15T18:45:00-08:00'))45

+ W3C Documentation reference: Minutes-From-DateTime +
+ + + fn:hours-from-dateTime(xs:dateTime?) as xs:integer? +
+ Extracts the hours component from an xs:dateTime value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:dateTime?DateTime value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:hours-from-dateTime(xs:dateTime('2023-03-29T12:30:00'))12
fn:hours-from-dateTime(xs:dateTime('2023-12-15T18:45:00-08:00'))18

+ W3C Documentation reference: Hours-From-DateTime +
+ + + fn:day-from-dateTime(xs:dateTime?) as xs:integer? +
+ Extracts the day component from an xs:dateTime value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:dateTime?DateTime value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:day-from-dateTime(xs:dateTime('2023-03-29T12:30:00'))29
fn:day-from-dateTime(xs:dateTime('2023-12-15T18:45:00-08:00'))15

+ W3C Documentation reference: Day-From-DateTime +
+ + + fn:month-from-dateTime(xs:dateTime?) as xs:integer? +
+ Extracts the month component from an xs:dateTime value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:dateTime?DateTime value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:month-from-dateTime(xs:dateTime('2023-03-29T12:30:00'))3
fn:month-from-dateTime(xs:dateTime('2023-12-15T18:45:00-08:00'))12

+ W3C Documentation reference: Month-From-DateTime +
+ + + fn:year-from-dateTime(xs:dateTime?) as xs:integer? +
+ Extracts the year component from an xs:dateTime value
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:dateTime?DateTime value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:year-from-dateTime(xs:dateTime('2023-03-29T12:30:00'))2023
fn:year-from-dateTime(xs:dateTime('2023-03-29T12:30:00-08:00'))2023

+ W3C Documentation reference: Year-From-DateTime +
+ + + + + fn:dateTime($arg1 as xs:date?, $arg2 as xs:time?) as xs:dateTime? +
+ Constructs an xs:dateTime value from an xs:date and an xs:time value
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:date?Date value
xs:time?Time value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:dateTime(xs:date('2023-03-29'), xs:time('12:30:00'))2023-03-29T12:30:00
fn:dateTime(xs:date('2023-03-29+05:00'), xs:time('12:30:00-08:00'))2023-03-29T12:30:00-08:00

+ W3C Documentation reference: DateTime +
+ + + fn:seconds-from-duration(xs:duration?) as xs:decimal? +
+ Returns the seconds component of the duration
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:duration?Duration from which to extract the seconds component
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:seconds-from-duration(xs:dayTimeDuration('PT1H30M15.5S'))15.5
fn:seconds-from-duration(xs:dayTimeDuration('-PT2M10.3S'))-10.3

+ W3C Documentation reference: Seconds-From-Duration +
+ + + fn:minutes-from-duration(xs:duration?) as xs:integer? +
+ Returns the minutes component of the duration
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:duration?Duration from which to extract the minutes component
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:minutes-from-duration(xs:dayTimeDuration('PT2H30M'))30
fn:minutes-from-duration(xs:dayTimeDuration('-PT1H45M'))-45

+ W3C Documentation reference: Minutes-From-Duration +
+ + + fn:hours-from-duration(xs:duration?) as xs:integer? +
+ Returns the hours component of the duration
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:duration?Duration from which to extract the hours component
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:hours-from-duration(xs:dayTimeDuration('PT36H'))36
fn:hours-from-duration(xs:dayTimeDuration('-PT12H30M'))-12

+ W3C Documentation reference: Hours-From-Duration +
+ + + fn:days-from-duration(xs:duration?) as xs:integer? +
+ Returns the days component of the duration
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:duration?Duration from which to extract the days component
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:days-from-duration(xs:dayTimeDuration('P5DT12H30M'))5
fn:days-from-duration(xs:dayTimeDuration('-P2DT6H'))-2

+ W3C Documentation reference: Days-From-Duration +
+ + + + fn:months-from-duration(xs:duration?) as xs:integer? +
+ Returns the months component of the duration
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:duration?Duration from which to extract the months component
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:months-from-duration(xs:duration('P2Y3M4DT5H6M7S'))3
fn:months-from-duration(xs:duration('-P2Y3M4DT5H6M7S'))-3

+ W3C Documentation reference: Months-From-Duration +
+ + + fn:years-from-duration(xs:duration?) as xs:integer? +
+ Returns the years component of the duration
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:duration?Duration from which to extract the years component
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:years-from-duration(xs:duration('P2Y3M4DT5H6M7S'))2
fn:years-from-duration(xs:duration('-P2Y3M4DT5H6M7S'))-2

+ W3C Documentation reference: Years-From-Duration +
+ + + + fn:adjust-date-to-timezone(date,timezone) +
+ If the timezone argument is empty, it returns a date without a timezone. Otherwise, + it returns a date with a timezone
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
datedate to be adjusted
timezonetimezone to be imposed into date
Examples:
+ + + + + + + + + +
ExpressionResult
adjust-date-to-timezone(xs:date('2011-11-15'), + xs:dayTimeDuration("PT10H"))2011-11-15+10:00

+ W3C Documentation reference: #func-adjust-date-to-timezone +
+ + + + + +
+
+
+ + + +
+ + fn:trace(item()*, xs:string) as item()* +
+ Outputs the provided label and value for diagnostic purposes and returns the value + unchanged
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
item()*Value to be traced
xs:stringLabel to be output along with the value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:trace(42, 'The value is:')Outputs "The value is: 42" for diagnostic purposes and returns 42
fn:trace(/library/book/title, 'Book title:')Outputs "Book title: [book title]" for diagnostic purposes and returns + the book title

+ W3C Documentation reference: Trace +
+ + + fn:error(xs:QName?, xs:string?, $error-object as item()*) +
+ Raises an error with the specified error code, description, and error object
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
xs:QName?Error code (optional)
xs:string?Description of the error (optional)
item()*Error object (optional)
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:error(xs:QName('err:FOER0000'))Raise error with the code err:FOER0000
fn:error(xs:QName('err:FOER0000'), 'Invalid value')Raise error with the code err:FOER0000 and description "Invalid value" +

+ W3C Documentation reference: Error +
+ +
+
+
+ + + +
+ + fn:function-arity(function(*)) as xs:integer +
+ Returns the arity (number of arguments) of the specified function
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
function(*)The function to obtain the arity for
xs:integerThe arity (number of arguments) of the specified function
+ Examples:
+ + + + + + + + + +
ExpressionResult
function-arity(fn:substring)Returns the arity of the substring function: 2 (since + substring accepts two required arguments: the input string and the + starting index)

+ W3C Documentation reference: function-arity +
+ + + fn:function-name(function(*)) as xs:QName? +
+ Returns the QName of the specified function
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
function(*)The function to obtain the QName for
xs:QName?The QName of the specified function, or an empty sequence if the + function is anonymous
+ Examples:
+ + + + + + + + + +
ExpressionResult
function-name(fn:substring)Returns the QName of the substring function: + QName("http://www.w3.org/2005/xpath-functions", "substring") +

+ W3C Documentation reference: function-name +
+ + + fn:function-lookup(xs:QName, xs:integer) as function(*)? +
+ Returns a function with the specified QName and arity if available, otherwise + returns an empty sequence
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
xs:QNameFunction name as QName
xs:integerArity of the function
function(*)?A function with the specified QName and arity if available, otherwise an + empty sequence
+ Examples:
+ + + + + + + + + +
ExpressionResult
function-lookup(QName('http://www.w3.org/2005/xpath-functions', + 'substring'), 2)Returns the substring function with arity 2, if available

+ W3C Documentation reference: function-lookup +
+ + + fn:static-base-uri() as xs:anyURI? +
+ Returns the static base URI as an xs:anyURI, if available
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
NoneFunction takes no arguments
xs:anyURI?The static base URI, if available; otherwise, an empty sequence
+ Examples:
+ + + + + + + + + +
ExpressionResult
static-base-uri()Returns the static base URI as an xs:anyURI, if available, e.g., + 'https://www.example.com/base/'

+ W3C Documentation reference: static-base-uri +
+ + + fn:default-collation() as xs:string +
+ Returns the default collation URI as an xs:string
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
NoneFunction takes no arguments
xs:stringThe default collation URI as a string
+ Examples:
+ + + + + + + + + +
ExpressionResult
default-collation()Returns the default collation URI as an xs:string, e.g., + 'http://www.w3.org/2005/xpath-functions/collation/codepoint'

+ W3C Documentation reference: default-collation +
+ + + fn:serialize(item()?, item()?) as xs:string? +
+ Serializes an XML node, producing a string representation of the node
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
item()?An XML node to serialize
item()?Serialization options as a map, with key-value pairs defining the + serialization parameters (optional)
xs:string?A string representation of the serialized XML node or an empty sequence + if the input is an empty sequence
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:serialize(<item>Item 1</item>)Returns '<item>Item 1</item>'
fn:serialize(<item>Item 1</item>, map{'method': 'xml', 'indent': + 'yes'})Returns an indented XML string representation of the input node

+ W3C Documentation reference: serialize +
+ + + fn:parse-xml-fragment(xs:string?) as document-node(element(*))? +
+ Parses a string containing an XML fragment and returns a corresponding document + node
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?A string containing an XML fragment
document-node(element(*))?A document node containing the parsed XML fragment or an empty sequence + if the input is an empty sequence
+ Examples:
+ + + + + + + + + +
ExpressionResult
fn:parse-xml-fragment('<item>Item 1</item><item>Item + 2</item>')Returns a document node containing the parsed XML fragment

+ W3C Documentation reference: parse-xml-fragment +
+ + + fn:parse-xml(xs:string?) as document-node(element(*))? +
+ Parses a string containing an XML document and returns a corresponding document + node
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?A string containing an XML document
document-node(element(*))?A document node containing the parsed XML content or an empty sequence + if the input is an empty sequence
+ Examples:
+ + + + + + + + + +
ExpressionResult
fn:parse-xml('<root><item>Item 1</item></root>')Returns a document node containing the parsed XML content

+ W3C Documentation reference: parse-xml +
+ + + fn:available-environment-variables() as xs:string* +
+ Retrieves a sequence of the names of all available environment variables
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
NoneNo argument is required
xs:string*A sequence of the names of all available environment variables
+ Examples:
+ + + + + + + + + +
ExpressionResult
fn:available-environment-variables()Returns a sequence of the names of all available environment variables +

+ W3C Documentation reference: available-environment-variables +
+ + + fn:environment-variable(xs:string) as xs:string? +
+ Retrieves the value of an environment variable
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:stringThe name of the environment variable
xs:string?The value of the environment variable, or an empty sequence if the + variable is not set
+ Examples:
+ + + + + + + + + +
ExpressionResult
fn:environment-variable("PATH")Returns the value of the PATH environment variable, or an empty sequence + if the variable is not set

+ W3C Documentation reference: environment-variable +
+ + + fn:uri-collection(xs:string?) as xs:anyURI* +
+ Returns a sequence of URIs in a collection identified by a URI
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?The URI identifying the collection of URIs
xs:anyURI*A sequence of URIs in the collection
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:uri-collection("http://www.example.com/collection/")Returns a sequence of URIs in the collection identified by the specified + URI +
fn:uri-collection()Returns a sequence of URIs in the default collection, if one is defined +

+ W3C Documentation reference: uri-collection +
+ + fn:doc-available(xs:string?) as xs:boolean +
+ Tests whether an XML document is available at a given URI
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?The URI of the XML document to be tested
xs:booleanTrue if the XML document is available, otherwise false
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:doc-available("http://www.example.com/books.xml")Returns true if the XML document located at the specified URI is + available, otherwise false
fn:doc-available("")Returns true if the XML document containing the context item is + available, otherwise false

+ W3C Documentation reference: doc-available +
+ + + fn:doc(xs:string?) as document-node()? +
+ Loads an XML document from a URI and returns the document node
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?The URI of the XML document to be loaded
document-node()?The document node of the loaded XML document
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:doc("http://www.example.com/books.xml")Loads the XML document located at the specified URI and returns its + document node
fn:doc("")Returns the document node of the XML document containing the context + item

+ W3C Documentation reference: doc +
+ + + fn:generate-id(node()?) as xs:string +
+ Returns a unique identifier for the specified node
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
node()?Input node for which the unique identifier is to be generated
xs:stringUnique identifier for the specified node
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:generate-id(/bookstore/book[1])A unique identifier for the first <book> element in the + <bookstore>
fn:generate-id(.)A unique identifier for the context node

+ W3C Documentation reference: generate-id +
+ + + fn:idref(xs:string*) as node()* +
+ Returns a sequence of nodes that are referenced by the specified IDREF attribute + values
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string*Input sequence of IDREF attribute values
node()*Sequence of nodes referenced by the specified IDREF attribute values +
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:idref("reference42")Nodes referenced by the IDREF attribute value "reference42"
fn:idref(("ref1", "ref2", "ref3"))Nodes referenced by the IDREF attribute values "ref1", "ref2", and + "ref3"

+ W3C Documentation reference: idref +
+ + + fn:id(xs:string*) as element()* +
+ Returns a sequence of elements with the specified ID attribute values
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string*Input sequence of ID attribute values
element()*Sequence of elements with the specified ID attribute values
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:id("item42")Element with the ID attribute value "item42"
fn:id(("item1", "item2", "item3"))Elements with the ID attribute values "item1", "item2", and "item3"

+ W3C Documentation reference: id +
+ + + fn:lang(xs:string, node()?) as xs:boolean +
+ Returns true if the language of the specified node or its nearest ancestor matches + the given language code
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:stringLanguage code to test
node()?Optional node
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:lang("en", /book/title)true
fn:lang("fr", /book/title)false

+ W3C Documentation reference: lang +
+ + + + fn:in-scope-prefixes(element()) as xs:string* +
+ Returns a sequence of strings representing the prefixes of the in-scope namespaces + for the specified element
+ Arguments and return type: + + + + + + + + + +
TypeDescription
element()Element node
+ Examples:
+ + + + + + + + + +
ExpressionResult
fn:in-scope-prefixes(/*)("xml", "x")

+ W3C Documentation reference: in-scope-prefixes +
+ + + fn:namespace-uri-for-prefix(xs:string?, element()) as xs:anyURI? +
+ Returns the namespace URI associated with the given prefix, using the in-scope + namespaces for the specified element
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?Prefix
element()Element node
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:namespace-uri-for-prefix('x', /*)"http://www.example.com/ns"
fn:namespace-uri-for-prefix('', /*)""

+ W3C Documentation reference: namespace-uri-for-prefix +
+ + + fn:namespace-uri-from-QName(xs:QName?) as xs:anyURI? +
+ Returns the namespace URI of the given QName value, or an empty sequence if there's + no namespace URI
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:QName?QName value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:namespace-uri-from-QName(fn:QName('http://www.example.com/ns', + 'x:local'))"http://www.example.com/ns"
fn:namespace-uri-from-QName(fn:QName('', 'local'))""

+ W3C Documentation reference: namespace-uri-from-QName +
+ + + fn:local-name-from-QName(xs:QName?) as xs:NCName? +
+ Returns the local name of the given QName value, or an empty sequence if there's no + local name
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:QName?QName value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:local-name-from-QName(fn:QName('http://www.example.com/ns', + 'x:local'))"local"
fn:local-name-from-QName(fn:QName('', 'local'))"local"

+ W3C Documentation reference: local-name-from-QName +
+ + + fn:prefix-from-QName(xs:QName?) as xs:NCName? +
+ Returns the prefix of the given QName value, or an empty sequence if there's no + prefix
+ Arguments and return type: + + + + + + + + + +
TypeDescription
xs:QName?QName value
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:prefix-from-QName(fn:QName('http://www.example.com/ns', 'x:local')) + "x"
fn:prefix-from-QName(fn:QName('', 'local'))()

+ W3C Documentation reference: prefix-from-QName +
+ + + fn:QName(xs:string?, xs:string) as xs:QName +
+ Constructs an xs:QName value from a namespace URI and a lexical QName
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?Namespace URI
xs:stringLexical QName
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:QName('http://www.example.com/ns', 'x:local')QName("http://www.example.com/ns", "x:local")
fn:QName('', 'local')QName("", "local")

+ W3C Documentation reference: QName +
+ + + fn:resolve-QName(xs:string?, element()) as xs:QName? +
+ Resolves a QName by expanding a prefix using the in-scope namespaces of a given + element
+ Arguments and return type: + + + + + + + + + + + + + +
TypeDescription
xs:string?QName to resolve
element()Element with in-scope namespaces
+ Examples:
+ + + + + + + + + + + + + +
ExpressionResult
fn:resolve-QName('x:local', $element)QName("http://www.example.com/ns", "local")
fn:resolve-QName('local', $element)QName("", "local")

+ W3C Documentation reference: Resolve-QName +
+ + + + fn:nilled(node) +
+ Returns a Boolean value indicating whether the argument node is nilled
+
+ W3C Documentation reference: #func-nilled + +
+ + + + + +
+
+ +
+ + + +
+ + fn:for-each-pair($sourceSeq1 as item()*, $sourceSeq2 as item()*, function(item(), item()) as item()*) as item()* +
+ Applies a processing function to pairs of items from two input sequences in a + pairwise fashion, resulting in a sequence of the same length as the shorter input + sequence
+ Arguments and return type: + + + + + + + + + + + + + + + + + + + + + +
TypeDescription
item()*The first input sequence of items
item()*The second input sequence of items
function(item(), item())The processing function used to process pairs of items from the input + sequences
item()*The resulting sequence after applying the processing function to pairs + of items
+ Examples:
+ + + + + + + + + +
ExpressionResult
for-each-pair((1, 2, 3), ("a", "b"), function($item1, $item2) { + concat($item1, $item2) })Returns a sequence with the concatenated pairs of items: + ("1a", "2b") +

+ W3C Documentation reference: for-each-pair +
+ + + + + fn:filter(item()*, function(item()) as xs:boolean) as item()* +
+ Filters a sequence of items based on a given predicate function
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
item()*The input sequence of items
function(item())The predicate function used to filter the items
item()*The resulting sequence after applying the predicate function
+ Examples:
+ + + + + + + + + +
ExpressionResult
filter((1, 2, 3, 4), function($x) { $x mod 2 = 0 })Returns a new sequence containing only the even numbers from the input + sequence: (2, 4)

+ W3C Documentation reference: filter +
+ + + fn:for-each(item()*, function(item()) as item()*) as item()* +
+ Applies a specified function to each item in a sequence, returning a new + sequence
+ Arguments and return type: + + + + + + + + + + + + + + + + + +
TypeDescription
item()*The input sequence of items
function(item())The function to apply to each item in the sequence
item()*The new sequence created by applying the function to each item in the + input sequence
+ Examples:
+ + + + + + + + + +
ExpressionResult
for-each((1, 2, 3, 4), function($x) { $x * 2 })Returns a new sequence with the result of doubling each number in the + input sequence: (2, 4, 6, 8)

+ W3C Documentation reference: for-each +
+ +
+
+ +