| http://www.w3.org/ns/prov#value | - In your case where you want all descriptors to be pipes you should always use:<?php$descriptorspec = array( 0 => array('pipe', 'r'), // stdin 1 => array('pipe', 'w'), // stdout 2 => array('pipe', 'w') // stderr);?>The examples below where stderr is opened as 'r' is a mistake.I would like to see examples of using higher descriptor numbers than 2.
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