File Content: Php83.php <?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Polyfill\Php83; /** * @author Ion Bazan <ion.bazan@gmail.com> * @author Pierre Ambroise <pierre27.ambroise@gmail.com> * * @internal */ final class Php83 { private const JSON_MAX_DEPTH = 0x7fffffff; // see https://www.php.net/manual/en/function.json-decode.php public static function json_validate(string $json, int $depth = 512, int $flags = 0) : bool { if (0 !== $flags && \defined('JSON_INVALID_UTF8_IGNORE') && \JSON_INVALID_UTF8_IGNORE !== $flags) { throw new \ValueError('json_validate(): Argument #3 ($flags) must be a valid flag (allowed flags: JSON_INVALID_UTF8_IGNORE)'); } if ($depth <= 0) { throw new \ValueError('json_validate(): Argument #2 ($depth) must be greater than 0'); } if ($depth > self::JSON_MAX_DEPTH) { throw new \ValueError(\sprintf('json_validate(): Argument #2 ($depth) must be less than %d', self::JSON_MAX_DEPTH)); } \json_decode($json, null, $depth, $flags); return \JSON_ERROR_NONE === \json_last_error(); } public static function mb_str_pad(string $string, int $length, string $pad_string = ' ', int $pad_type = \STR_PAD_RIGHT, ?string $encoding = null) : string { if (!\in_array($pad_type, [\STR_PAD_RIGHT, \STR_PAD_LEFT, \STR_PAD_BOTH], \true)) { throw new \ValueError('mb_str_pad(): Argument #4 ($pad_type) must be STR_PAD_LEFT, STR_PAD_RIGHT, or STR_PAD_BOTH'); } if (null === $encoding) { $encoding = \mb_internal_encoding(); } try { $validEncoding = @\mb_check_encoding('', $encoding); } catch (\ValueError $e) { throw new \ValueError(\sprintf('mb_str_pad(): Argument #5 ($encoding) must be a valid encoding, "%s" given', $encoding)); } // BC for PHP 7.3 and lower if (!$validEncoding) { throw new \ValueError(\sprintf('mb_str_pad(): Argument #5 ($encoding) must be a valid encoding, "%s" given', $encoding)); } if (\mb_strlen($pad_string, $encoding) <= 0) { throw new \ValueError('mb_str_pad(): Argument #3 ($pad_string) must be a non-empty string'); } $paddingRequired = $length - \mb_strlen($string, $encoding); if ($paddingRequired < 1) { return $string; } switch ($pad_type) { case \STR_PAD_LEFT: return \mb_substr(\str_repeat($pad_string, $paddingRequired), 0, $paddingRequired, $encoding) . $string; case \STR_PAD_RIGHT: return $string . \mb_substr(\str_repeat($pad_string, $paddingRequired), 0, $paddingRequired, $encoding); default: $leftPaddingLength = \floor($paddingRequired / 2); $rightPaddingLength = $paddingRequired - $leftPaddingLength; return \mb_substr(\str_repeat($pad_string, $leftPaddingLength), 0, $leftPaddingLength, $encoding) . $string . \mb_substr(\str_repeat($pad_string, $rightPaddingLength), 0, $rightPaddingLength, $encoding); } } public static function str_increment(string $string) : string { if ('' === $string) { throw new \ValueError('str_increment(): Argument #1 ($string) cannot be empty'); } if (!\preg_match('/^[a-zA-Z0-9]+$/', $string)) { throw new \ValueError('str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters'); } if (\is_numeric($string)) { $offset = \stripos($string, 'e'); if (\false !== $offset) { $char = $string[$offset]; ++$char; $string[$offset] = $char; ++$string; switch ($string[$offset]) { case 'f': $string[$offset] = 'e'; break; case 'F': $string[$offset] = 'E'; break; case 'g': $string[$offset] = 'f'; break; case 'G': $string[$offset] = 'F'; break; } return $string; } } return ++$string; } public static function str_decrement(string $string) : string { if ('' === $string) { throw new \ValueError('str_decrement(): Argument #1 ($string) cannot be empty'); } if (!\preg_match('/^[a-zA-Z0-9]+$/', $string)) { throw new \ValueError('str_decrement(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters'); } if (\preg_match('/\\A(?:0[aA0]?|[aA])\\z/', $string)) { throw new \ValueError(\sprintf('str_decrement(): Argument #1 ($string) "%s" is out of decrement range', $string)); } if (!\in_array(\substr($string, -1), ['A', 'a', '0'], \true)) { return \implode('', \array_slice(\str_split($string), 0, -1)) . \chr(\ord(\substr($string, -1)) - 1); } $carry = ''; $decremented = ''; for ($i = \strlen($string) - 1; $i >= 0; --$i) { $char = $string[$i]; switch ($char) { case 'A': if ('' !== $carry) { $decremented = $carry . $decremented; $carry = ''; } $carry = 'Z'; break; case 'a': if ('' !== $carry) { $decremented = $carry . $decremented; $carry = ''; } $carry = 'z'; break; case '0': if ('' !== $carry) { $decremented = $carry . $decremented; $carry = ''; } $carry = '9'; break; case '1': if ('' !== $carry) { $decremented = $carry . $decremented; $carry = ''; } break; default: if ('' !== $carry) { $decremented = $carry . $decremented; $carry = ''; } if (!\in_array($char, ['A', 'a', '0'], \true)) { $decremented = \chr(\ord($char) - 1) . $decremented; } } } return $decremented; } } Submit