/**
* Invalidates caches when the database is changed or the user logs out.
*
* @param string $pageCacheDir page cache directory
*/
function invalidateCaches($pageCacheDir)
{
// Purge cache attached to session.
if (isset($_SESSION['tags'])) {
unset($_SESSION['tags']);
}
// Purge page cache shared by sessions.
purgeCachedPages($pageCacheDir);
}
/**
* Purge cached pages - missing directory
*/
public function testPurgeCachedPagesMissingDir()
{
$this->assertEquals('Cannot purge tests/dummycache_missing: no directory', purgeCachedPages(self::$testCacheDir . '_missing'));
}