XML_Statistics::countPI() – count the occurences of a processing instruction


require_once 'XML/Statistics.php';

integer XML_Statistics::countPI ( string $target = null )


Counts how often a certain processing instruction (e.g. <?PHP) is used in the document. The target is the 'language' of the processing instruction. You only need to specify the name, without the leading question mark. If no target is specified it will count the total number of processing instructions.


  • string $target - target of the processing instruction

Return value

integer occurences of the processing instruction


This function can not be called statically.

count the tags in a certain depth (Previous) count the occurences of an external entitity (Next)
Last updated: Sat, 16 Feb 2019 — Download Documentation
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