Online PHP editor | refs for HgEcd

<?php function startsWith($haystack, $needle) { return strncmp($haystack, $needle, strlen($needle)) === 0; } function endsWith($haystack, $needle) { return $needle === '' || substr_compare($haystack, $needle, -strlen($needle)) === 0; } var_dump(startsWith('', '')); var_dump(startsWith('', 'foo')); var_dump(startsWith('foo', '')); var_dump(endsWith('', '')); var_dump(endsWith('', 'foo')); var_dump(endsWith('foo', ''));