← All changes | vendor/masterminds/html5/src/HTML5/Parser/Tokenizer.php +4 -0 3.23.3 → 3.24.2 View file →

		@@ -1207,8 +1207,12 @@
1207	1207	* @return bool True if it is a letter, False otherwise
1208	1208	*/
1209	1209	protected function is_alpha($input)
1210	1210	{
	1211	+ if (!is_string($input) || 1 !== strlen($input)) {
	1212	+ return false;
	1213	+ }
	1214	+
1211	1215	$code = ord($input);
1212	1216
1213	1217	return ($code >= 97 && $code <= 122) || ($code >= 65 && $code <= 90);
1214	1218	}