PhpMigration\Changes\v7dot0\StringOperation::leaveNode PHP Метод

    public function leaveNode($node)
    {
        if ($node instanceof Scalar\String_ && preg_match('/0x[0-9a-f]+/i', $node->value) && filter_var($node->value, FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_HEX)) {
            $this->addSpot('NOTICE', false, 'hexadecimal strings are no longer considered numeric');
        }
    }