Memcache::decrement
memcache_decrement
Decrement item's value
Description
intfalse Memcache::decrement(string $key, int $value = 1)
intfalse memcache_decrement(Memcache $memcache, string $key, int $value = 1)
Note:
New item's value will not be less than zero.
Note:
Do not use Memcache::decrement with item, which was
stored compressed, because consequent call to
Memcache::get will fail.
Memcache::decrement does not
create an item if it didn't exist.
Parameters
-
key
-
Key of the item do decrement.
-
value
-
Decrement the item by value.
Return Values
Returns item's new value on success or false on failure.
Examples
Example #1 Memcache::decrement example
<?php
/* procedural API */
$memcache_obj = memcache_connect('memcache_host', 11211);
/* decrement item by 2 */
$new_value = memcache_decrement($memcache_obj, 'test_item', 2);
/* OO API */
$memcache_obj = new Memcache;
$memcache_obj->connect('memcache_host', 11211);
/* decrement item by 3 */
$new_value = $memcache_obj->decrement('test_item', 3);
?>
See Also
- Memcache::increment
- Memcache::replace