Tickets :: Comment on [#13085] Use memcache instead of distributed hashtable in $conf[cache][driver]

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Comment	>>> It is probably due to my limited command of the PHP language, but I >>> assumed that the below function would set $lifetime to '0' if the >>> parameter is not passed (similar to C++): >> >> No, you are correct in your logic, but this class is ONLY for >> memcache, not other cache drivers. As already stated, memcache >> doesn't use/need the lifetime parameter here so the default value of >> zero is irrelevant. > > This is how every cache driver is defined: > > /usr/share/php5/PEAR/Horde/Cache/Storage/Apc.php: public function > set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/Base.php: abstract public > function set($key, $data, $lifetime = 0); > /usr/share/php5/PEAR/Horde/Cache/Storage/Eaccelerator.php: public > function set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/File.php: public function > set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/Hashtable.php: public > function set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/Memcache.php: public > function set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/Memoryoverlay.php: public > function set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/Mock.php: public function > set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/Mongo.php: public > function set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/Null.php: public function > set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/Session.php: public > function set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/Sql.php: public function > set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/Stack.php: public > function set($key, $data, $lifetime = 0) > /usr/share/php5/PEAR/Horde/Cache/Storage/Xcache.php: public > function set($key, $data, $lifetime = 0) > > So if the $lifetime argument is not set (like in > Horde_Service_Weather) every cache driver will default to a value > of '0' and the data that is put into the cache by > Horde_Service_Weather will not be GC'ed for any cache driver. This > is the point I'm trying to make.
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