Online PHP editor | refs for VnM59

<?php //use ErrorException; //use InvalidArgumentException; /** * HTTP Status values have a code (int) and reason (string). * * @internal Implemented similar to a type-safe enum. * * @property-read int $code the status code * @property-read string $reason the status description */ final class Status { /** @var array (int) code => (string) reason */ private static $codeReasons = [ 100 => 'Continue', 101 => 'Switching Protocols', 102 => 'Processing', 200 => 'OK', 201 => 'Created', 202 => 'Accepted', 203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content', 207 => 'Multi-status', 208 => 'Already Reported', 300 => 'Multiple Choices', 301 => 'Moved Permanently', 302 => 'Found', 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', 306 => 'Switch Proxy', 307 => 'Temporary Redirect', 400 => 'Bad Request', 401 => 'Unauthorized', 402 => 'Payment Required', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', 406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Time-out', 409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required', 412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Large', 415 => 'Unsupported Media Type', 416 => 'Requested range not satisfiable', 417 => 'Expectation Failed', 418 => 'I\'m a teapot', 422 => 'Unprocessable Entity', 423 => 'Locked', 424 => 'Failed Dependency', 425 => 'Unordered Collection', 426 => 'Upgrade Required', 428 => 'Precondition Required', 429 => 'Too Many Requests', 431 => 'Request Header Fields Too Large', 500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Time-out', 505 => 'HTTP Version not supported', 506 => 'Variant Also Negotiates', 507 => 'Insufficient Storage', 508 => 'Loop Detected', 511 => 'Network Authentication Required', ]; /** @var self[] */ private static $instances = []; /** @var int */ private $code; /** @var string */ private $reason; /** * Singleton constructor * * @param int $aCode an http status code * @throws InvalidArgumentException on invalid code */ private function __construct($aCode) { if (!static::validate($aCode)) { throw new InvalidArgumentExeption("Invalid status code: [$aCode]"); } $this->code = (int) $aCode; $this->reason = static::$codeReasons[$this->code]; } /** * Factory constructor * * Methods must not start with a number, so an underscore prefix is necessary. * * @example $status = Status::_404(); * * @param string $aMethod a status code prefixed with an underscore * @param array $arguments unused arguments passed to the magic method * @return self */ public static function __callStatic($aMethod, array $arguments = []) { $aMethod = trim($aMethod, '_'); if (!isset(static::$instances[$aMethod])) { static::$instances[$aMethod] = new static($aMethod); } return static::$instances[$aMethod]; } /** * List all HTTP statuses * * @yield self */ public static function listAll() { foreach (static::$codeReasons as $code => $reason) { yield $code => $reason; } } /** * Verify that a code is valid * * @param int $aCode the status code to verify * @return bool */ public static function validate($aCode) { return ($aCode instanceof self) || isset(static::$codeReasons[(int) $aCode]); } /** * Allow public property access * * @param string $aProperty * @return mixed * @throws ErrorException on invalid property */ public function __get($aProperty) { if (property_exists($this, $aProperty)) { return $this->{$aProperty}; } $debug = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2); $error = sprintf('Undefined property %s::$%s', __CLASS__, $aProperty); throw new ErrorException($error, 0, E_USER_NOTICE, $debug[1]['file'], $debug[1]['line']); } /** @return string */ public function __toString() { return $this->code . ' ' . $this->reason; } } var_dump(iterator_to_array(Status::listAll()));