This was added in r2084 /
c280ef342b64 for a "persistent link cache"
feature, which became obsolete in 1.4 and was removed in 1.5.
https://www.mediawiki.org/wiki/Manual:$wgEnablePersistentLC
Follows-up r9276 /
cb45389b9c4d.
Change-Id: I2f27d6acc1a1f9a9382a47d56921f570107a7be9
* @ingroup Cache
*/
class LinkCache {
- // Increment $mClassVer whenever old serialized versions of this class
- // becomes incompatible with the new version.
- private $mClassVer = 5;
-
/**
* @var MapCacheLRU
*/