Why won't my PHP app send a 404 error?

2019-01-02 17:31发布

站内问答 / PHP
522 16 4 

if (strstr($_SERVER['REQUEST_URI'],'index.php')) {
    header('HTTP/1.0 404 Not Found');
}

Why wont this work? I get a blank page.

16条回答
与风俱净
2楼-- · 2019-01-02 18:14

If you want to show the server’s default 404 page, you can load it in a frame like this:

echo '<iframe src="/something-bogus" width="100%" height="100%" frameBorder="0" border="0" scrolling="no"></iframe>';
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爱死公子算了
3楼-- · 2019-01-02 18:15

Try this:

if (strstr($_SERVER['REQUEST_URI'],'index.php')) {
    header('HTTP/1.0 404 Not Found');
    echo "<head><title>404 Not Found</title></head>";
    echo "<h1>Not Found</h1>";
    $uri   = rtrim(dirname($_SERVER['PHP_SELF']), '/\\');
    echo "<p>The requested URL ".$uri." was not found on this server.</p>";
    exit();
}
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像晚风撩人
4楼-- · 2019-01-02 18:16

For the record, this is the all-case handler:

<?php
header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
header("Status: 404 Not Found");

$_SERVER['REDIRECT_STATUS'] = 404;
?> <!-- 404 contents below this line -->
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忆尘夕之涩
5楼-- · 2019-01-02 18:16

You know, in my website i created something like this:

        $uri=$_SERVER['REQUEST_URI'];
        $strpos=strpos($uri, '.php');
        if ($strpos!==false){
        $e404="The page requested by you: &quot".$_SERVER['REQUEST_URI']."&quot, doesn't exists on this server.";
        $maybe=str_replace('.php','',$uri);
        $maybe=str_replace('/','',$maybe);
        die("<center><h1>404</h1><hr><h3>$e404</h3><h3>Maybe try <a href=$maybe>www.leaveyortexthere.p.ht/$maybe</a>?</center>");

}

i hope it helps you.

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伤终究还是伤i
6楼-- · 2019-01-02 18:17

Load default server 404 page, if you have one, e.g. defined for apache:

if(strstr($_SERVER['REQUEST_URI'],'index.php')){
  header('HTTP/1.0 404 Not Found');
  readfile('404missing.html');
  exit();
}
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梦醉为红颜
7楼-- · 2019-01-02 18:19

A little bit shorter version. Suppress odd echo.

if (strstr($_SERVER['REQUEST_URI'],'index.php')){
  header('HTTP/1.0 404 Not Found');
  exit("<h1>404 Not Found</h1>\nThe page that you have requested could not be found.");
}
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