<?php if (!function_exists('in_array')) { function in_array($needle, $haystack, $strict = false) { while(list($key, $item) = each($haystack)) { if ($strict && $needle === $item) { return true; } else if($needle == $item) { return true; } } return false; } } var_dump(in_array(3, array(1,2,'3')));
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