Memcache::increment() increments value of the item on
the specified value
. If item with key
key
was not numeric and cannot be converted to
number, it will change it's value to value
.
Memcache::increment()does not
create an item if it didn't exist.
Note:
Do not use Memcache::increment() with item, which was
stored compressed, because consequent call to
Memcache::get() will fail.
Also you can use memcache_increment() function.
Parameters
key
Key of the item to increment.
value
Increment the item by value
. Optional and defaults to 1.
Return Values
Returns new item's value on success or FALSE on failure.
Examples
Example #1 Memcache::increment() example
<?php
/* procedural API */ $memcache_obj = memcache_connect('memcache_host', 11211); /* increment counter by 2 */ $current_value = memcache_increment($memcache_obj, 'counter', 2);
/* OO API */ $memcache_obj = new Memcache; $memcache_obj->connect('memcache_host', 11211); /* increment counter by 3 */ $current_value = $memcache_obj->increment('counter', 3);