roundcubemail/program/lib/Roundcube/rcube_cache_shared.php
function expunge()
    {
        if ($this->type == 'db' && $this->db && $this->ttl) {
            $this->db->query(
                "DELETE FROM {$this->table}"
                . " WHERE `cache_key` LIKE ?"
                . " AND `expires` < " . $this->db->now(),
                $this->prefix . '.%');
        }
    }
function expunge()
    {
        if ($this->type == 'db' && $this->db && $this->ttl) {
            $this->db->query(
                "DELETE FROM {$this->table}"
                . " WHERE `cache_key` LIKE ?"
                . " AND `expires` < " . $this->db->now(),
                $this->prefix . '.%');
        }
    }
function expunge ( ) { if ( $ this -> type == 'db' && $ this -> db && $ this -> ttl ) { $ this -> db -> query ( "DELETE FROM {$this->table}" . " WHERE `cache_key` LIKE ?" . " AND `expires` < " . $ this -> db -> now ( ) , $ this -> prefix . '.%' ) ; } }
Remove cache records older than ttl
Remove cache records older than ttl