array:filter

Returns an array containing those members of the $array for which $predicate returns true.

filter($array as array(*), $predicate as fn(item()*, xs:integer) as xs:boolean?) ➔ array(*)

Arguments
	$array	array(*)	The input array
	$predicate	fn(item()*, xs:integer) as xs:boolean?	The function used to filter the input array
Result		array(*)

Namespace

http://www.w3.org/2005/xpath-functions/array

Links to W3C specifications

XPath 3.1 Functions and Operators

XPath 4.0 Functions and Operators

Saxon availability

Available in XPath 3.1, XSLT 3.0, XQuery 3.1, and later versions. From Saxon 10, available in all editions. Implemented in Saxon-PE and Saxon-EE since Saxon 9.7. Available for all platforms.

Notes on the Saxon implementation

Available in Saxon-HE from Saxon 10; in Saxon-PE/EE since 9.7.