diff --git a/lib/SimpleSAML/Utilities.php b/lib/SimpleSAML/Utilities.php index 73dfd2f124a459823e89a5b02571688b47a437ef..57ed6ae89883facecd22e22ecb453ee75d618565 100644 --- a/lib/SimpleSAML/Utilities.php +++ b/lib/SimpleSAML/Utilities.php @@ -919,7 +919,7 @@ class SimpleSAML_Utilities { * @param $bytes Input string. * @return String with lowercase hexadecimal characters. */ - public function stringToHex($bytes) { + public static function stringToHex($bytes) { $ret = ''; for($i = 0; $i < strlen($bytes); $i++) { $ret .= sprintf('%02x', ord($bytes[$i]));