PHP: strpos_array is strpos that can take an array as needle

strpos_array.php

<?php
function strpos_array($haystack, $needles, $offset = 0) {
	if (is_array($needles)) {
		foreach ($needles as $needle) {
			$pos = strpos_array($haystack, $needle);
			if ($pos !== false) {
				return $pos;
			}
		}
		return false;
	} else {
		return strpos($haystack, $needles, $offset);
	}
}