protected function isIdentifier(&$length, &$content)
    {
        static $identifierDelimiters = [
            '"' => '"',
            '[' => ']',
            '`' => '`',
        ];

        if (!isset($identifierDelimiters[$this->substring(1)])) {
            return false;
        }

        $delimiter = $identifierDelimiters[$this->substring(1)];
        $offset = $this->offset;
        while (true) {
            $offset = $this->indexAfter($delimiter, $offset + 1);
            if ($delimiter === ']' || $this->substring(1, true, $offset) !== $delimiter) {
                break;
            }
        }
        $length = $offset - $this->offset;
        $content = $this->substring($length - 2, true, $this->offset + 1);
        if ($delimiter !== ']') {
            $content = strtr($content, ["$delimiter$delimiter" => $delimiter]);
        }

        return true;
    }
protected function isIdentifier(&$length, &$content)
    {
        static $identifierDelimiters = [
            '"' => '"',
            '[' => ']',
            '`' => '`',
        ];

        if (!isset($identifierDelimiters[$this->substring(1)])) {
            return false;
        }

        $delimiter = $identifierDelimiters[$this->substring(1)];
        $offset = $this->offset;
        while (true) {
            $offset = $this->indexAfter($delimiter, $offset + 1);
            if ($delimiter === ']' || $this->substring(1, true, $offset) !== $delimiter) {
                break;
            }
        }
        $length = $offset - $this->offset;
        $content = $this->substring($length - 2, true, $this->offset + 1);
        if ($delimiter !== ']') {
            $content = strtr($content, ["$delimiter$delimiter" => $delimiter]);
        }

        return true;
    }
protected function isIdentifier ( & $ length , & $ content ) { static $ identifierDelimiters = [ '"' => '"' , '[' => ']' , '`' => '`' , ] ; if ( ! isset ( $ identifierDelimiters [ $ this -> substring ( 1 ) ] ) ) { return false ; } $ delimiter = $ identifierDelimiters [ $ this -> substring ( 1 ) ] ; $ offset = $ this -> offset ; while ( true ) { $ offset = $ this -> indexAfter ( $ delimiter , $ offset + 1 ) ; if ( $ delimiter === ']' || $ this -> substring ( 1 , true , $ offset ) !== $ delimiter ) { break ; } } $ length = $ offset - $ this -> offset ; $ content = $ this -> substring ( $ length - 2 , true , $ this -> offset + 1 ) ; if ( $ delimiter !== ']' ) { $ content = strtr ( $ content , [ "$delimiter$delimiter" => $ delimiter ] ) ; } return true ; }
{@inheritdoc}
{