wincache_ucache_dec
(PECL wincache >= 1.1.0)
wincache_ucache_dec — Decrements the value associated with the key
Opis
Decrements the value associated with the key by 1 or as specified
by dec_by.
Parametry
-
key -
The
keythat was used to store the variable in the cache.keyis case sensitive. -
dec_by -
The value by which the variable associated with the
keywill get decremented. If the argument is a floating point number it will be truncated to nearest integer. The variable associated with thekeyshould be of type long, otherwise the function fails and returnsFALSE. -
success -
Will be set to
TRUEon success andFALSEon failure.
Zwracane wartości
Returns the decremented value on success and FALSE on failure.
Przykłady
Przykład #1 Using wincache_ucache_dec()
<?php
wincache_ucache_set('counter', 1);
var_dump(wincache_ucache_dec('counter', 2923, $success));
var_dump($success);
?>
Powyższy przykład wyświetli:
int(2922) bool(true)
Zobacz też:
- wincache_ucache_inc() - Increments the value associated with the key
- wincache_ucache_cas() - Compares the variable with old value and assigns new value to it
