Memcached::touch

(PECL memcached >= 2.0.0)

Memcached::touch — Set a new expiration on an item

public bool Memcached::touch ( string $key , int $expiration )

Memcached::touch() sets a new expiration value on the given key.

成功时返回 TRUE，或者在失败时返回 FALSE。如需要则使用 Memcached::getResultCode()。