I do not know of any, and the official list of implementations doesn’t include one either. An alternative – of course less performant than a native implementation – would be XQIB which is an XQuery implementation in JavaScript. XPath 2.0 is fully included as a subset in XQuery 1.0, so you will be able to … Read more
Use this simple XPath 2.0 expression: $vSeq[index-of($vSeq,.)[2]] where $vSeq is the sequence of values in which we want to find the duplicates. For explanation of how this “works”, see: http://dnovatchev.wordpress.com/2008/11/16/xpath-2-0-gems-find-all-duplicate-values-in-a-sequence-part-2/ TLDR; This picture can be a visual explanation. If the sequence is: $vSeq = 1, 2, 3, 2, 4, 5, 6, 7, 5, 7, 5 … Read more
See this list of XSLT engines, from a thread on an XSL mailing list regarding XSLT 2.0 development. A solution for PHP is to use the PHP/Java Bridge and Saxon, and follow a tutorial. The current status of development for XSLT 2.0 (and XPath 2.0) means that there are no plans currently, so there can’t … Read more