1--TEST-- 2filter_var() - using callback 3--SKIPIF-- 4<?php if (!extension_loaded("filter")) die("skip"); ?> 5--FILE-- 6<?php 7 8function filter_test($str) { return FALSE; } 9filter_var('durty/boy', FILTER_CALLBACK, array( 10 'options' => 'filter_test', 11)); 12 13print "Done\n"; 14 15?> 16--EXPECTF-- 17Done 18