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<?php |
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/** |
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* List of HTTP status codes. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* http://www.gnu.org/copyleft/gpl.html |
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* |
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* @file |
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*/ |
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/** |
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* @todo document |
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*/ |
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class HttpStatus { |
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/** |
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* Get the message associated with an HTTP response status code |
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* |
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* @param int $code Status code |
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* @return string|null Message, or null if $code is not known |
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*/ |
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public static function getMessage( $code ) { |
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static $statusMessage = [ |
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100 => 'Continue', |
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101 => 'Switching Protocols', |
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102 => 'Processing', |
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200 => 'OK', |
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201 => 'Created', |
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202 => 'Accepted', |
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203 => 'Non-Authoritative Information', |
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204 => 'No Content', |
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205 => 'Reset Content', |
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206 => 'Partial Content', |
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207 => 'Multi-Status', |
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300 => 'Multiple Choices', |
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301 => 'Moved Permanently', |
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302 => 'Found', |
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303 => 'See Other', |
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304 => 'Not Modified', |
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305 => 'Use Proxy', |
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307 => 'Temporary Redirect', |
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400 => 'Bad Request', |
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401 => 'Unauthorized', |
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402 => 'Payment Required', |
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403 => 'Forbidden', |
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404 => 'Not Found', |
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405 => 'Method Not Allowed', |
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406 => 'Not Acceptable', |
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407 => 'Proxy Authentication Required', |
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408 => 'Request Timeout', |
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409 => 'Conflict', |
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410 => 'Gone', |
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411 => 'Length Required', |
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412 => 'Precondition Failed', |
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413 => 'Request Entity Too Large', |
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414 => 'Request-URI Too Large', |
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415 => 'Unsupported Media Type', |
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416 => 'Request Range Not Satisfiable', |
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417 => 'Expectation Failed', |
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422 => 'Unprocessable Entity', |
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423 => 'Locked', |
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424 => 'Failed Dependency', |
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428 => 'Precondition Required', |
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429 => 'Too Many Requests', |
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431 => 'Request Header Fields Too Large', |
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500 => 'Internal Server Error', |
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501 => 'Not Implemented', |
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502 => 'Bad Gateway', |
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503 => 'Service Unavailable', |
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504 => 'Gateway Timeout', |
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505 => 'HTTP Version Not Supported', |
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507 => 'Insufficient Storage', |
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511 => 'Network Authentication Required', |
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]; |
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return isset( $statusMessage[$code] ) ? $statusMessage[$code] : null; |
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} |
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/** |
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* Output an HTTP status code header |
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* |
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* @since 1.26 |
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* @param int $code Status code |
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*/ |
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public static function header( $code ) { |
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static $version = null; |
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$message = self::getMessage( $code ); |
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if ( $message === null ) { |
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trigger_error( "Unknown HTTP status code $code", E_USER_WARNING ); |
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return false; |
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} |
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if ( $version === null ) { |
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$version = isset( $_SERVER['SERVER_PROTOCOL'] ) && |
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$_SERVER['SERVER_PROTOCOL'] === 'HTTP/1.0' ? |
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'1.0' : |
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'1.1'; |
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} |
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header( "HTTP/$version $code $message" ); |
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} |
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} |
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Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: