(PECL wincache >= 1.1.0)
wincache_ucache_cas — Compares the variable with old value and assigns new value to it
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.
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
.
Returns true
on success or false
on failure.
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)
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https://www.php.net/manual/en/function.wincache-ucache-cas.php