Online PHP editor | refs for Po8mY

<?php function in_string($needle, $haystack, $insensitive = false) { if ($insensitive) { return false !== stristr($haystack, $needle); } else { return false !== strpos($haystack, $needle); } } $needle = 'as'; $haystack = 'This is my assessment.'; var_dump(in_string($needle, $haystack, true)); var_dump(in_string(strtoupper($needle), $haystack, true)); var_dump(in_string($needle, $haystack, false)); var_dump(in_string(strtoupper($needle), $haystack, false));