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HttpStatus.php
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HttpStatus.php
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<?php
/**
* List of HTTP status codes.
*
* @license GPL-2.0-or-later
* @file
*/
namespace Wikimedia\Http;
use InvalidArgumentException;
/**
* @todo document
*/
class HttpStatus {
/**
* @var null|callable
*/
private static $headersSentCallback = null;
public static function registerHeadersSentCallback( callable $callback ): ?callable {
$old = self::$headersSentCallback;
self::$headersSentCallback = $callback;
return $old;
}
/**
* Get the message associated with an HTTP response status code
*
* @param int $code Status code
* @return string|null Message, or null if $code is not known
*/
public static function getMessage( $code ) {
static $statusMessage = [
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',
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found',
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use 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 Timeout',
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 => 'Request Range Not Satisfiable',
417 => 'Expectation Failed',
422 => 'Unprocessable Entity',
423 => 'Locked',
424 => 'Failed Dependency',
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 Timeout',
505 => 'HTTP Version Not Supported',
507 => 'Insufficient Storage',
511 => 'Network Authentication Required',
];
return $statusMessage[$code] ?? null;
}
/**
* Construct an HTTP status code header
*
* @since 1.42
* @param int $code Status code
* @return string
*/
public static function getHeader( $code ): string {
static $version = null;
$message = self::getMessage( $code );
if ( $message === null ) {
throw new InvalidArgumentException( "Unknown HTTP status code $code" );
}
if ( $version === null ) {
$version = isset( $_SERVER['SERVER_PROTOCOL'] ) &&
$_SERVER['SERVER_PROTOCOL'] === 'HTTP/1.0' ?
'1.0' :
'1.1';
}
return "HTTP/$version $code $message";
}
/**
* Output an HTTP status code header
*
* @since 1.26
* @param int $code Status code
*/
public static function header( $code ) {
if ( headers_sent() ) {
if ( self::$headersSentCallback ) {
( self::$headersSentCallback )();
return;
}
// NOTE: If there is no custom callback, we continue normally and
// rely on the implementation of header() to emit a warning.
}
try {
header( self::getHeader( $code ) );
} catch ( InvalidArgumentException ) {
trigger_error( "Unknown HTTP status code $code", E_USER_WARNING );
}
}
}
/** @deprecated class alias since 1.44 */
class_alias( HttpStatus::class, 'HttpStatus' );

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text/x-php
Expires
Oct 4 2026, 18:19 (5 w, 4 d ago)
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8f/6a/8a217c80e753f63db66ed45092eb
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HttpStatus.php (3 KB)

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