Memcache::replace()
Memcache::replace - Replace value of the existing item
Syntax
bool Memcache::replace (
string $key,
mixed $var,
int $flag,
int $expire)
Arguments
- key - The key that will be associated with the item.
- var - The variable to store. Strings and integers are stored as is, other types are stored serialized.
- flag - Use MEMCACHE_COMPRESSED to store the item compressed (uses zlib).
- expire - Expiration time of the item. If it\'s equal to zero, the item will never expire. You can also use Unix timestamp or a number of seconds starting from current time, but in the latter case the number of seconds may not exceed 2592000 (30 days).
Description
Memcache::replace() should be used to replace value of existing item with key. In case if item with such key doesn't exists, Memcache::replace() returns FALSE. For the rest Memcache::replace() behaves similarly to Memcache::set(). Also you can use memcache_replace() function.
Version
PHP PECL memcache >= 0.2.0
Return value
Returns TRUE on success or FALSE on failure.