diff options
Diffstat (limited to 'vendor/symfony/polyfill-php72/Php72.php')
| -rw-r--r-- | vendor/symfony/polyfill-php72/Php72.php | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/vendor/symfony/polyfill-php72/Php72.php b/vendor/symfony/polyfill-php72/Php72.php new file mode 100644 index 0000000..5e20d5b --- /dev/null +++ b/vendor/symfony/polyfill-php72/Php72.php @@ -0,0 +1,217 @@ +<?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\Php72; + +/** + * @author Nicolas Grekas <p@tchwork.com> + * @author Dariusz Rumiński <dariusz.ruminski@gmail.com> + * + * @internal + */ +final class Php72 +{ + private static $hashMask; + + public static function utf8_encode($s) + { + $s .= $s; + $len = \strlen($s); + + for ($i = $len >> 1, $j = 0; $i < $len; ++$i, ++$j) { + switch (true) { + case $s[$i] < "\x80": $s[$j] = $s[$i]; break; + case $s[$i] < "\xC0": $s[$j] = "\xC2"; $s[++$j] = $s[$i]; break; + default: $s[$j] = "\xC3"; $s[++$j] = \chr(\ord($s[$i]) - 64); break; + } + } + + return substr($s, 0, $j); + } + + public static function utf8_decode($s) + { + $s = (string) $s; + $len = \strlen($s); + + for ($i = 0, $j = 0; $i < $len; ++$i, ++$j) { + switch ($s[$i] & "\xF0") { + case "\xC0": + case "\xD0": + $c = (\ord($s[$i] & "\x1F") << 6) | \ord($s[++$i] & "\x3F"); + $s[$j] = $c < 256 ? \chr($c) : '?'; + break; + + case "\xF0": + ++$i; + // no break + + case "\xE0": + $s[$j] = '?'; + $i += 2; + break; + + default: + $s[$j] = $s[$i]; + } + } + + return substr($s, 0, $j); + } + + public static function php_os_family() + { + if ('\\' === \DIRECTORY_SEPARATOR) { + return 'Windows'; + } + + $map = [ + 'Darwin' => 'Darwin', + 'DragonFly' => 'BSD', + 'FreeBSD' => 'BSD', + 'NetBSD' => 'BSD', + 'OpenBSD' => 'BSD', + 'Linux' => 'Linux', + 'SunOS' => 'Solaris', + ]; + + return isset($map[\PHP_OS]) ? $map[\PHP_OS] : 'Unknown'; + } + + public static function spl_object_id($object) + { + if (null === self::$hashMask) { + self::initHashMask(); + } + if (null === $hash = spl_object_hash($object)) { + return; + } + + // On 32-bit systems, PHP_INT_SIZE is 4, + return self::$hashMask ^ hexdec(substr($hash, 16 - (\PHP_INT_SIZE * 2 - 1), (\PHP_INT_SIZE * 2 - 1))); + } + + public static function sapi_windows_vt100_support($stream, $enable = null) + { + if (!\is_resource($stream)) { + trigger_error('sapi_windows_vt100_support() expects parameter 1 to be resource, '.\gettype($stream).' given', \E_USER_WARNING); + + return false; + } + + $meta = stream_get_meta_data($stream); + + if ('STDIO' !== $meta['stream_type']) { + trigger_error('sapi_windows_vt100_support() was not able to analyze the specified stream', \E_USER_WARNING); + + return false; + } + + // We cannot actually disable vt100 support if it is set + if (false === $enable || !self::stream_isatty($stream)) { + return false; + } + + // The native function does not apply to stdin + $meta = array_map('strtolower', $meta); + $stdin = 'php://stdin' === $meta['uri'] || 'php://fd/0' === $meta['uri']; + + return !$stdin + && (false !== getenv('ANSICON') + || 'ON' === getenv('ConEmuANSI') + || 'xterm' === getenv('TERM') + || 'Hyper' === getenv('TERM_PROGRAM')); + } + + public static function stream_isatty($stream) + { + if (!\is_resource($stream)) { + trigger_error('stream_isatty() expects parameter 1 to be resource, '.\gettype($stream).' given', \E_USER_WARNING); + + return false; + } + + if ('\\' === \DIRECTORY_SEPARATOR) { + $stat = @fstat($stream); + // Check if formatted mode is S_IFCHR + return $stat ? 0020000 === ($stat['mode'] & 0170000) : false; + } + + return \function_exists('posix_isatty') && @posix_isatty($stream); + } + + private static function initHashMask() + { + $obj = (object) []; + self::$hashMask = -1; + + // check if we are nested in an output buffering handler to prevent a fatal error with ob_start() below + $obFuncs = ['ob_clean', 'ob_end_clean', 'ob_flush', 'ob_end_flush', 'ob_get_contents', 'ob_get_flush']; + foreach (debug_backtrace(\PHP_VERSION_ID >= 50400 ? \DEBUG_BACKTRACE_IGNORE_ARGS : false) as $frame) { + if (isset($frame['function'][0]) && !isset($frame['class']) && 'o' === $frame['function'][0] && \in_array($frame['function'], $obFuncs)) { + $frame['line'] = 0; + break; + } + } + if (!empty($frame['line'])) { + ob_start(); + debug_zval_dump($obj); + self::$hashMask = (int) substr(ob_get_clean(), 17); + } + + self::$hashMask ^= hexdec(substr(spl_object_hash($obj), 16 - (\PHP_INT_SIZE * 2 - 1), (\PHP_INT_SIZE * 2 - 1))); + } + + public static function mb_chr($code, $encoding = null) + { + if (0x80 > $code %= 0x200000) { + $s = \chr($code); + } elseif (0x800 > $code) { + $s = \chr(0xC0 | $code >> 6).\chr(0x80 | $code & 0x3F); + } elseif (0x10000 > $code) { + $s = \chr(0xE0 | $code >> 12).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); + } else { + $s = \chr(0xF0 | $code >> 18).\chr(0x80 | $code >> 12 & 0x3F).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); + } + + if ('UTF-8' !== $encoding = $encoding ?? mb_internal_encoding()) { + $s = mb_convert_encoding($s, $encoding, 'UTF-8'); + } + + return $s; + } + + public static function mb_ord($s, $encoding = null) + { + if (null === $encoding) { + $s = mb_convert_encoding($s, 'UTF-8'); + } elseif ('UTF-8' !== $encoding) { + $s = mb_convert_encoding($s, 'UTF-8', $encoding); + } + + if (1 === \strlen($s)) { + return \ord($s); + } + + $code = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0; + if (0xF0 <= $code) { + return (($code - 0xF0) << 18) + (($s[2] - 0x80) << 12) + (($s[3] - 0x80) << 6) + $s[4] - 0x80; + } + if (0xE0 <= $code) { + return (($code - 0xE0) << 12) + (($s[2] - 0x80) << 6) + $s[3] - 0x80; + } + if (0xC0 <= $code) { + return (($code - 0xC0) << 6) + $s[2] - 0x80; + } + + return $code; + } +} |