note 44234 added to function.header
| From: | pediddle at pediddle dot net | Date: | Mon, 19 Jul 2004 07:50:46 +0000 |
| Subject: | note 44234 added to function.header | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-73590@lists.php.net to get a copy of this message | ||
On one of my webpages, I often use <base href="..."> to simplify management of
intra-site links. This works fine in almost all cases, but some very old browsers, and more
importantly, nearly *all* search crawlers don't honor the base href. This often leads to
"doubled" URLs such as "/home/home/foo" instead of "/home/foo".
Here's a little script to rewrite the former into the latter, intended to be used as your
server's 404 error page.
<?php
$redirect = 'http://';
$redirect .= $_SERVER['HTTP_HOST'];
if (preg_match('#(.*/([-A-Za-z0-9$_.+!*\'(),]+))/\2(/.*)#',
$_SERVER['REQUEST_URI'], $matches)) {
$redirect .= $matches[1];
$redirect .= $matches[3];
header("Location: $redirect");
header("Status: 301 Moved Permanently");
} else {
$redirect .= dirname($_SERVER['SCRIPT_NAME']);
$redirect .= '/404.html';
header("Status: 404 Not Found");
@readfile($redirect);
}
?>
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Manual Page -- http://www.php.net/manual/en/function.header.php
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