wincache_ucache_cas
(PECL wincache >= 1.1.0)
wincache_ucache_cas — Compares the variable with old value and assigns new value to it
Description
wincache_ucache_cas ( string $key , int $old_value , int $new_value ) : bool
Compares the variable associated with the key with old_value and if it matches then assigns the new_value to it.
Parameters
-
key -
The
keythat is used to store the variable in the cache.keyis case sensitive. -
old_value -
Old value of the variable pointed by
keyin the user cache. The value should be of typelong, otherwise the function returnsfalse. -
new_value -
New value which will get assigned to variable pointer by
keyif a match is found. The value should be of typelong, otherwise the function returnsfalse.
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
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https://www.php.net/manual/en/function.wincache-ucache-cas.php