Merge pull request #45 from PHPCSStandards/phpcs-4.x/tokenizer-php-minor-tweak

4.0 | Tokenizer/PHP: defer to predefined regex

Author: jrfnl

src/Tokenizers/PHP.php

@@ -1441,7 +1441,7 @@ protected function tokenize($string)
 
  if ($tokenIsArray === true
  && ($token[0] === T_STRING
- || preg_match('`^[a-zA-Z_\x80-\xff]`', $token[1]) === 1)
+ || preg_match(self::PHP_LABEL_REGEX, $token[1]) === 1)
  ) {
  // Get the next non-empty token.
  for ($i = ($stackPtr + 1); $i < $numTokens; $i++) {