wiki_purge.php

<?php
header('Content-Length: 0');
$key = array();
$base = urldecode($_SERVER['REQUEST_URI']);
$base_ori = $_SERVER['REQUEST_URI'];
$key[] = $base;
$key[] = $base.'zh';
$key[] = $base.'zh-hans';
$key[] = $base.'zh-hant';
if (strpos($base, '/wiki/') !== FALSE) {
    $key[] = str_replace('/wiki/', '/zh/', $base);
    $key[] = str_replace('/wiki/', '/zh-hans/', $base);
    $key[] = str_replace('/wiki/', '/zh-hant/', $base);
}
$key[] = $base_ori;
$key[] = $base_ori.'zh';
$key[] = $base_ori.'zh-hans';
$key[] = $base_ori.'zh-hant';

foreach ($key as $u) {
    $k = md5($u);
    $filename = '/var/cache/nginx/wiki/'.substr($k, -2).'/'.substr($k, -4, 2).'/'.$k;
    if (file_exists($filename)) {
        if (unlink($filename)) {
            file_put_contents('/home/52poke/logs/wiki-purge.log', 'Purge '.$k.' '.$u.' '.date(DATE_ATOM)."\n", FILE_APPEND);
        }
    }
}