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Nama	Ukuran	Aksi
ConstExprParser.php	7.63 MB	View DL Edit
ParserException.php	2.11 MB	View DL Edit
PhpDocParser.php	37.58 MB	View DL Edit
StringUnescaper.php	2.34 MB	View DL Edit
TokenIterator.php	8.84 MB	View DL Edit
TypeParser.php	32.57 MB	View DL Edit

Edit file: /opt/cpanel/ea-wappspector/vendor/phpstan/phpdoc-parser/src/Parser/StringUnescaper.php

<?php declare(strict_types = 1);

namespace PHPStan\PhpDocParser\Parser;

use PHPStan\ShouldNotHappenException;
use function chr;
use function hexdec;
use function octdec;
use function preg_replace_callback;
use function str_replace;
use function substr;

class StringUnescaper
{

private const REPLACEMENTS = [
		'\\' => '\\',
		'n' => "\n",
		'r' => "\r",
		't' => "\t",
		'f' => "\f",
		'v' => "\v",
		'e' => "\x1B",
	];

public static function unescapeString(string $string): string
	{
		$quote = $string[0];

if ($quote === '\'') {
			return str_replace(
				['\\\\', '\\\''],
				['\\', '\''],
				substr($string, 1, -1),
			);
		}

return self::parseEscapeSequences(substr($string, 1, -1), '"');
	}

/**
	 * Implementation based on https://github.com/nikic/PHP-Parser/blob/b0edd4c41111042d43bb45c6c657b2e0db367d9e/lib/PhpParser/Node/Scalar/String_.php#L90-L130
	 */
	private static function parseEscapeSequences(string $str, string $quote): string
	{
		$str = str_replace('\\' . $quote, $quote, $str);

return preg_replace_callback(
			'~\\\\([\\\\nrtfve]|[xX][0-9a-fA-F]{1,2}|[0-7]{1,3}|u\{([0-9a-fA-F]+)\})~',
			static function ($matches) {
				$str = $matches[1];

if (isset(self::REPLACEMENTS[$str])) {
					return self::REPLACEMENTS[$str];
				}
				if ($str[0] === 'x' || $str[0] === 'X') {
					return chr((int) hexdec(substr($str, 1)));
				}
				if ($str[0] === 'u') {
					if (!isset($matches[2])) {
						throw new ShouldNotHappenException();
					}
					return self::codePointToUtf8((int) hexdec($matches[2]));
				}

return chr((int) octdec($str));
			},
			$str,
		);
	}

/**
	 * Implementation based on https://github.com/nikic/PHP-Parser/blob/b0edd4c41111042d43bb45c6c657b2e0db367d9e/lib/PhpParser/Node/Scalar/String_.php#L132-L154
	 */
	private static function codePointToUtf8(int $num): string
	{
		if ($num <= 0x7F) {
			return chr($num);
		}
		if ($num <= 0x7FF) {
			return chr(($num >> 6) + 0xC0)
				. chr(($num & 0x3F) + 0x80);
		}
		if ($num <= 0xFFFF) {
			return chr(($num >> 12) + 0xE0)
				. chr((($num >> 6) & 0x3F) + 0x80)
				. chr(($num & 0x3F) + 0x80);
		}
		if ($num <= 0x1FFFFF) {
			return chr(($num >> 18) + 0xF0)
				. chr((($num >> 12) & 0x3F) + 0x80)
				. chr((($num >> 6) & 0x3F) + 0x80)
				. chr(($num & 0x3F) + 0x80);
		}

// Invalid UTF-8 codepoint escape sequence: Codepoint too large
		return "\xef\xbf\xbd";
	}

}

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