Richard, thanks for looking into this. I'd recommend that you create substitutes for the old showflat.php, shownested.php etc. scripts instead of abusing 404 error pages for this.
I'll drop some PHP code here which I have been using for some projects myself. First, a replacement for PHP's
parse_url function:
PHP Code:
// returns an array with the following elements defined in it:
// scheme://username:password@host:port/path?query#fragment
// this function is more robust than parse_url
function parseUrl($url) {
$r = '!(?:(?<scheme>\w+)://)?(?:(?<username>\w+)\:(?<password>\w+)@)?(?<host>[^/:]+)?';
$r .= '(?:\:(?<port>\d*))?(?<path>[^#?]+)?(?:\?(?<query>[^#]+))?(?:#(?<fragment>.+$))?!i';
preg_match($r, $url, $out);
# for ($i = 0; $i < 9; ++$i)
# unset($out[$i]);
return $out;
}
then one which does the reverse:
PHP Code:
// inverse function to parseUrl
function glueUrl($parsed)
{
if (!is_array($parsed)) return false;
$uri = strlen($parsed['scheme']) ? $parsed['scheme'].':'.((strtolower($parsed['scheme']) == 'mailto') ? '' : '//') : '';
$uri .= strlen($parsed['user']) ? $parsed['user'].(strlen($parsed['pass']) ? ':'.$parsed['pass'] : '').'@' : '';
$uri .= strlen($parsed['host']) ? $parsed['host'] : '';
$uri .= strlen($parsed['port']) ? ':'.$parsed['port'] : '';
if (strlen($parsed['path'])) {
$uri .= ($parsed['path'][0] == '/') ? $parsed['path'] : ('/'.$parsed['path']);
}
$uri .= strlen($parsed['query']) ? '?'.$parsed['query'] : '';
$uri .= strlen($parsed['fragment']) ? '#'.$parsed['fragment'] : '';
return $uri;
}
and finally something which uses both to merge a given URL with a query string, which shows how they can be used:
PHP Code:
// merges given URL with the specified query string
function MergeQueryStrings($url, $query) {
$parsed = parseUrl($url);
parse_str($query, $addq);
parse_str($parsed['query'], $oldq);
$newq = array_merge($oldq, $addq);
$parsed['query'] = http_build_query($newq);
return glueUrl($parsed);
}
Maybe it's some help. What you really should make use of is the
parse_str function.
Re: Automated redirect for old post/thread links
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