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如何从PHP脚本发送500个内部服务器错误

http-headers header php

Salman Arshad · 技术社区 · 15 年前

在某些情况下,我需要从PHP脚本发送“500内部服务器错误”。脚本应该由第三方应用程序调用。这个脚本包含两个 die("this happend") 我需要发送的声明 500 Internal Server Error 响应代码而不是通常的 200 OK . 第三方脚本将在某些条件下重新发送请求,包括不接收 200行 响应代码。

问题的第二部分:我需要像这样设置脚本:

<?php
    custom_header( "500 Internal Server Error" );

    if ( that_happened ) {
        die( "that happened" )
    }

    if ( something_else_happened ) {
        die( "something else happened" )
    }

    update_database( );

    // the script can also fail on the above line
    // e.g. a mysql error occurred

    remove_header( "500" );
?>

我需要发送 200 只有在最后一行执行之后才有标题。

编辑

另一个问题:我可以发送500个奇怪的邮件头吗?

HTTP/1.1 500 No Record Found
HTTP/1.1 500 Script Generated Error (E_RECORD_NOT_FOUND)
HTTP/1.1 500 Conditions Failed on Line 23

Web服务器会记录这些错误吗?

6 回复 | 直到 6 年前

158

Core Xii 15 年前

header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error', true, 500);

inxilpro 11 年前

http_response_code

http_response_code(500);

polyfill for this function

Andrew Moore 15 年前

function header_status($statusCode) {
    static $status_codes = null;

    if ($status_codes === null) {
        $status_codes = array (
            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 Long',
            415 => 'Unsupported Media Type',
            416 => 'Requested Range Not Satisfiable',
            417 => 'Expectation Failed',
            422 => 'Unprocessable Entity',
            423 => 'Locked',
            424 => 'Failed Dependency',
            426 => 'Upgrade Required',
            500 => 'Internal Server Error',
            501 => 'Not Implemented',
            502 => 'Bad Gateway',
            503 => 'Service Unavailable',
            504 => 'Gateway Timeout',
            505 => 'HTTP Version Not Supported',
            506 => 'Variant Also Negotiates',
            507 => 'Insufficient Storage',
            509 => 'Bandwidth Limit Exceeded',
            510 => 'Not Extended'
        );
    }

    if ($status_codes[$statusCode] !== null) {
        $status_string = $statusCode . ' ' . $status_codes[$statusCode];
        header($_SERVER['SERVER_PROTOCOL'] . ' ' . $status_string, true, $statusCode);
    }
}

<?php
header_status(500);

if (that_happened) {
    die("that happened")
}

if (something_else_happened) {
    die("something else happened")
}

update_database();

header_status(200);

Ruel 15 年前

header("HTTP/1.0 500 Internal Server Error");

if (that happened) {
    header("HTTP/1.0 500 Internal Server Error");
}

$result = mysql_query("..query string..") or header("HTTP/1.0 500 Internal Server Error");

Salman Arshad 13 年前

if ( that_happened || something_else_happened )
{
    header('X-Error-Message: Incorrect username or password', true, 500);
    die;
}

HTTP/1.1 500 Internal Server Error
...
X-Error-Message: Incorrect username or password
...

if ( that_happened )
{
    header('X-Error-Message: Incorrect username', true, 500);
    die('Incorrect username');
}

if ( something_else_happened )
{
    header('X-Error-Message: Incorrect password', true, 500);
    die('Incorrect password');
}

Uwe Keim 6 年前

<?php
if ( that_happened ) {
    header("HTTP/1.0 500 Internal Server Error");
    die();
}

if ( something_else_happened ) {
    header("HTTP/1.0 500 Internal Server Error");
    die();
}

// Your function should return FALSE if something goes wrong
if ( !update_database() ) {
    header("HTTP/1.0 500 Internal Server Error");
    die();
}

// the script can also fail on the above line
// e.g. a mysql error occurred


header('HTTP/1.1 200 OK');
?>