mirror of
https://github.com/friendica/friendica
synced 2024-12-27 04:00:16 +00:00
72 lines
1.8 KiB
PHP
72 lines
1.8 KiB
PHP
<?php
|
|
/**
|
|
* cache api
|
|
*/
|
|
|
|
class Cache {
|
|
public static function get($key) {
|
|
|
|
$r = q("SELECT `v` FROM `cache` WHERE `k`='%s' limit 1",
|
|
dbesc($key)
|
|
);
|
|
|
|
if (count($r))
|
|
return $r[0]['v'];
|
|
|
|
return null;
|
|
}
|
|
|
|
public static function set($key,$value, $duration = CACHE_MONTH) {
|
|
|
|
q("REPLACE INTO `cache` (`k`,`v`,`expire_mode`,`updated`) VALUES ('%s','%s',%d,'%s')",
|
|
dbesc($key),
|
|
dbesc($value),
|
|
intval($duration),
|
|
dbesc(datetime_convert()));
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
* Leaving this legacy code temporaily to see how REPLACE fares
|
|
* as opposed to non-atomic checks when faced with fast moving key duplication.
|
|
* As a MySQL extension it isn't portable, but we're not yet very portable.
|
|
*/
|
|
|
|
/*
|
|
* $r = q("SELECT * FROM `cache` WHERE `k`='%s' limit 1",
|
|
* dbesc($key)
|
|
* );
|
|
* if(count($r)) {
|
|
* q("UPDATE `cache` SET `v` = '%s', `updated = '%s' WHERE `k` = '%s'",
|
|
* dbesc($value),
|
|
* dbesc(datetime_convert()),
|
|
* dbesc($key));
|
|
* }
|
|
* else {
|
|
* q("INSERT INTO `cache` (`k`,`v`,`updated`) VALUES ('%s','%s','%s')",
|
|
* dbesc($key),
|
|
* dbesc($value),
|
|
* dbesc(datetime_convert()));
|
|
* }
|
|
* }
|
|
*/
|
|
|
|
|
|
public static function clear(){
|
|
q("DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
|
|
dbesc(datetime_convert('UTC','UTC',"now - 30 days")), intval(CACHE_MONTH));
|
|
|
|
q("DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
|
|
dbesc(datetime_convert('UTC','UTC',"now - 7 days")), intval(CACHE_WEEK));
|
|
|
|
q("DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
|
|
dbesc(datetime_convert('UTC','UTC',"now - 1 days")), intval(CACHE_DAY));
|
|
|
|
q("DELETE FROM `cache` WHERE `updated` < '%s' AND `expire_mode` = %d",
|
|
dbesc(datetime_convert('UTC','UTC',"now - 1 hours")), intval(CACHE_HOUR));
|
|
}
|
|
|
|
}
|
|
|