//对http协议的状态设定，跳转页面中需要经常使用的函数

function send_http_status($code) {

static $_status = array(

// Informational 1xx

100 => 'Continue',

101 => 'Switching Protocols',

// Success 2xx

200 => 'OK',

201 => 'Created',

202 => 'Accepted',

203 => 'Non-Authoritative Information',

204 => 'No Content',

205 => 'Reset Content',

206 => 'Partial Content',

// Redirection 3xx

300 => 'Multiple Choices',

301 => 'Moved Permanently',

302 => 'Moved Temporarily ',  // 1.1

303 => 'See Other',

304 => 'Not Modified',

305 => 'Use Proxy',

// 306 is deprecated but reserved

307 => 'Temporary Redirect',

// Client Error 4xx

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 Long',

415 => 'Unsupported Media Type',

416 => 'Requested Range Not Satisfiable',

417 => 'Expectation Failed',

// Server Error 5xx

500 => 'Internal Server Error',

501 => 'Not Implemented',

502 => 'Bad Gateway',

503 => 'Service Unavailable',

504 => 'Gateway Timeout',

505 => 'HTTP Version Not Supported',

509 => 'Bandwidth Limit Exceeded'

);

if(array_key_exists($code,$_status)) {

header('HTTP/1.1 '.$code.' '.$_status[$code]);

}

}