?????????? ????????? - ??????????????? - /opt/cpanel/ea-wappspector/vendor/rector/rector/vendor/phpstan/phpdoc-parser/src/Parser/StringUnescaper.php
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<?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 "�"; } }
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| PHP 8.2.30 | ??????????? ?????????: 0.01 |
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