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59 lines
1.3 KiB
PHP
59 lines
1.3 KiB
PHP
<?php
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/**
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* cache api
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*/
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class Cache {
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public static function get($key){
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$r = q("SELECT `v` FROM `cache` WHERE `k`='%s' limit 1",
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dbesc($key)
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);
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if (count($r)) return $r[0]['v'];
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return null;
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}
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public static function set($key,$value) {
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q("REPLACE INTO `cache` (`k`,`v`,`updated`) VALUES ('%s','%s','%s')",
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dbesc($key),
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dbesc($value),
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dbesc(datetime_convert()));
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}
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/*
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*
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* Leaving this legacy code temporaily to see how REPLACE fares
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* as opposed to non-atomic checks when faced with fast moving key duplication.
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* As a MySQL extension it isn't portable, but we're not yet very portable.
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*/
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/*
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* $r = q("SELECT * FROM `cache` WHERE `k`='%s' limit 1",
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* dbesc($key)
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* );
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* if(count($r)) {
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* q("UPDATE `cache` SET `v` = '%s', `updated = '%s' WHERE `k` = '%s' limit 1",
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* dbesc($value),
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* dbesc(datetime_convert()),
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* dbesc($key));
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* }
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* else {
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* q("INSERT INTO `cache` (`k`,`v`,`updated`) VALUES ('%s','%s','%s')",
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* dbesc($key),
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* dbesc($value),
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* dbesc(datetime_convert()));
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* }
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* }
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*/
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public static function clear(){
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q("DELETE FROM `cache` WHERE `updated` < '%s'",
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dbesc(datetime_convert('UTC','UTC',"now - 30 days")));
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}
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}
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