function Standard::pScalar_String

File

vendor/nikic/php-parser/lib/PhpParser/PrettyPrinter/Standard.php, line 139
Class

Standard
Namespace

Code

protected function pScalar_String(Scalar\String_ $node) : string {
    $kind = $node->getAttribute('kind', Scalar\String_::KIND_SINGLE_QUOTED);
    switch ($kind) {
        case Scalar\String_::KIND_NOWDOC:
            $label = $node->getAttribute('docLabel');
            if ($label && !$this->containsEndLabel($node->value, $label)) {
                $shouldIdent = $this->phpVersion
                    ->supportsFlexibleHeredoc();
                $nl = $shouldIdent ? $this->nl : $this->newline;
                if ($node->value === '') {
                    return "<<<'{$label}'{$nl}{$label}{$this->docStringEndToken}";
                }
                // Make sure trailing \r is not combined with following \n into CRLF.
                if ($node->value[strlen($node->value) - 1] !== "\r") {
                    $value = $shouldIdent ? $this->indentString($node->value) : $node->value;
                    return "<<<'{$label}'{$nl}{$value}{$nl}{$label}{$this->docStringEndToken}";
                }
            }
        
        /* break missing intentionally */
        // no break
        case Scalar\String_::KIND_SINGLE_QUOTED:
            return $this->pSingleQuotedString($node->value);
        case Scalar\String_::KIND_HEREDOC:
            $label = $node->getAttribute('docLabel');
            $escaped = $this->escapeString($node->value, null);
            if ($label && !$this->containsEndLabel($escaped, $label)) {
                $nl = $this->phpVersion
                    ->supportsFlexibleHeredoc() ? $this->nl : $this->newline;
                if ($escaped === '') {
                    return "<<<{$label}{$nl}{$label}{$this->docStringEndToken}";
                }
                return "<<<{$label}{$nl}{$escaped}{$nl}{$label}{$this->docStringEndToken}";
            }
        
        /* break missing intentionally */
        // no break
        case Scalar\String_::KIND_DOUBLE_QUOTED:
            return '"' . $this->escapeString($node->value, '"') . '"';
    }
    throw new \Exception('Invalid string kind');
}