wincache_ucache_cas
(PECL wincache >= 1.1.0)
wincache_ucache_cas — Compares the variable with old value and assigns new value to it
설명
$key
, int $old_value
, int $new_value
)
Compares the variable associated with the key with old_value
and if it matches then assigns the new_value to it.
인수
-
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 type long, 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 type long, otherwise the function returnsFALSE.
반환값
성공 시 TRUE를, 실패 시 FALSE를 반환합니다.
예제
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'));
?>
위 예제의 출력:
bool(true) int(1)
참고
- wincache_ucache_inc() - Increments the value associated with the key
- wincache_ucache_dec() - Decrements the value associated with the key
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