


Detailed explanation of clearing Varnish cache in PHP (including those under specified sites)_PHP Tutorial
There is no way to clear the folder contents. You can only clear the specified link cache
function clearVarnish($ip,$url,$host=null){
$errstr = '';
$errno = '';
$varnist_arr = isset($host) ? $ host : C('VARNISH_LIST');
foreach ($varnist_arr as $v){
$fp = fsockopen ($ip, 2000, $errno, $errstr, 2);
if (!$ fp) {
return false; s( $fp , 4096);
fclose ($fp);
return $out;
}
}
}
?>
It should be noted that:
The incoming url cannot take parameters, such as: www.baidu.com/?tn=sougouBecause purge.url is cleared after regular rules The expression can be changed to www.baidu.com/(.?)sougou and that's it. When a varnish caches the content of multiple sites and needs to clear the specified site URL or simply clear the site homepage, purge must be used instead of purge.url
Copy code
if (!$fp) {
return $errno;
}else {
if( !empty($host)){
$out = "purge req.http.host == {$host} && req.url ~ ^/$ rn";
" purge.url {$url} rn";
close ($fp);
return $out;
http://www.bkjia.com/PHPjc/327716.html
www.bkjia.com
true
http: //www.bkjia.com/PHPjc/327716.html
Unable to clear the folder contents, you can only clear the specified link cache. Copy the code as follows: ?php function clearVarnish($ip ,$url,$host=null){ $errstr = ''; $errno = ''; $varnist_arr = isse...

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