Change-Id: I6e5cb2e7ba34ceaf4ca128e4b32da99d08917156
*
* @param string $key Cache key
* @param mixed $value
*
* @param string $key Cache key
* @param mixed $value
- * @param integer $ttl Seconds to live [0=forever]
+ * @param integer $ttl Seconds to live. Special values are:
+ * - WANObjectCache::TTL_INDEFINITE: Cache forever
* @param array $opts Options map:
* - lag : Seconds of slave lag. Typically, this is either the slave lag
* before the data was read or, if applicable, the slave lag before
* @param array $opts Options map:
* - lag : Seconds of slave lag. Typically, this is either the slave lag
* before the data was read or, if applicable, the slave lag before