wincache_ucache_cas
(PECL wincache >= 1.1.0)
wincache_ucache_cas — Compares the variable with old value and assigns new value to it
Description
Compares the variable associated with the key with old_value and if it matches then assigns the new_value to it.
Parameters
- key
-
The key that is used to store the variable in the cache. key is case sensitive.
- old_value
-
Old value of the variable pointed by key in the user cache. The value should be of type long, otherwise the function returns FALSE.
- new_value
-
New value which will get assigned to variable pointer by key if a match is found. The value should be of type long, otherwise the function returns FALSE.
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 Using wincache_ucache_cas()
<?php
wincache_ucache_set('counter', 2922);
var_dump(wincache_ucache_cas('counter', 2922, 1));
var_dump(wincache_ucache_get('counter'));
?>
The above example will output:
bool(true) int(1)
See Also
- wincache_ucache_inc() - Increments the value associated with the key
- wincache_ucache_dec() - Decrements the value associated with the key