- strpos: documentation ( source)
<?php
$strHaystack='test';
$strNeedle='t';
if (false==0)
print 0;
$numPos=strpos($strHaystack,$strNeedle);
if((!$numPos))
print "Found '$strNeedle' at position: $numPos\r\n";
else print "Not Found!\r\n";
?>