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Memcache::add
Add an item to the server
()
bool Memcache::add ( string key, mixed var [, int flag [, int expire]] )
Memcache::add() stores variable var with key only if such key doesn't exist at the server yet. Also you can use memcache_add() function.
Parameters
- 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_COMPRESSEDto 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).
Return Values
Returns TRUE on success or FALSE on failure.
Returns FALSE if such key already exist. For the rest
Memcache::add() behaves similarly to
Memcache::set().
Examples
Example 1307. Memcache::add() example
<?php
$memcache_obj = memcache_connect("localhost", 11211);
/* procedural API */
memcache_add($memcache_obj, 'var_key', 'test variable', false, 30);
/* OO API */
$memcache_obj->add('var_key', 'test variable', false, 30);
?>