(PECL memcache >= 0.2.0)
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$host
[, int $port
= 11211
[, bool $persistent
[, int $weight
[, int $timeout
[, int $retry_interval
[, bool $status
[, callback $failure_callback
[, int $timeoutms
]]]]]]]] ) : bool$host
[, int $port
= 11211
[, int $timeout
[, int $retry_interval
= false
[, bool $status
[, callback $failure_callback
]]]]] ) : bool