面試時很多人問我這個，記錄一下???200是ok,??404表示頁面未找到.

HTTP協議狀態碼,調用函數時候只需要將$num賦予一個下表中的已知值就直接會返回狀態了。

/**

*?HTTP?Protocol?defined?status?codes

*?HTTP協議狀態碼,調用函數時候只需要將$num賦予一個下表中的已知值就直接會返回狀態了。

*?@param?int?$num

*/

function?https($num)?{

$http?=?array?(

100?=>?"HTTP/1.1?100?Continue",

101?=>?"HTTP/1.1?101?Switching?Protocols",

200?=>?"HTTP/1.1?200?OK",

201?=>?"HTTP/1.1?201?Created",

202?=>?"HTTP/1.1?202?Accepted",

203?=>?"HTTP/1.1?203?Non-Authoritative?Information",

204?=>?"HTTP/1.1?204?No?Content",

205?=>?"HTTP/1.1?205?Reset?Content",

206?=>?"HTTP/1.1?206?Partial?Content",

300?=>?"HTTP/1.1?300?Multiple?Choices",

301?=>?"HTTP/1.1?301?Moved?Permanently",

302?=>?"HTTP/1.1?302?Found",

303?=>?"HTTP/1.1?303?See?Other",

304?=>?"HTTP/1.1?304?Not?Modified",

305?=>?"HTTP/1.1?305?Use?Proxy",

307?=>?"HTTP/1.1?307?Temporary?Redirect",

400?=>?"HTTP/1.1?400?Bad?Request",

401?=>?"HTTP/1.1?401?Unauthorized",

402?=>?"HTTP/1.1?402?Payment?Required",

403?=>?"HTTP/1.1?403?Forbidden",

404?=>?"HTTP/1.1?404?Not?Found",

405?=>?"HTTP/1.1?405?Method?Not?Allowed",

406?=>?"HTTP/1.1?406?Not?Acceptable",

407?=>?"HTTP/1.1?407?Proxy?Authentication?Required",

408?=>?"HTTP/1.1?408?Request?Time-out",

409?=>?"HTTP/1.1?409?Conflict",

410?=>?"HTTP/1.1?410?Gone",

411?=>?"HTTP/1.1?411?Length?Required",

412?=>?"HTTP/1.1?412?Precondition?Failed",

413?=>?"HTTP/1.1?413?Request?Entity?Too?Large",

414?=>?"HTTP/1.1?414?Request-URI?Too?Large",

415?=>?"HTTP/1.1?415?Unsupported?Media?Type",

416?=>?"HTTP/1.1?416?Requested?range?not?satisfiable",

417?=>?"HTTP/1.1?417?Expectation?Failed",

500?=>?"HTTP/1.1?500?Internal?Server?Error",

501?=>?"HTTP/1.1?501?Not?Implemented",

502?=>?"HTTP/1.1?502?Bad?Gateway",

503?=>?"HTTP/1.1?503?Service?Unavailable",

504?=>?"HTTP/1.1?504?Gateway?Time-out"

);

header($http[$num]);

}

?>

@header('HTTP/1.0?404?Not?Found');

總結

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