wincache_ucache_dec
(PECL wincache >= 1.1.0)
wincache_ucache_dec — Decrements the value associated with the key
Beschreibung
Decrements the value associated with the key
by 1 or as specified
by dec_by
.
Parameter-Liste
-
key
-
The
key
that was used to store the variable in the cache.key
is case sensitive. -
dec_by
-
The value by which the variable associated with the
key
will get decremented. If the argument is a floating point number it will be truncated to nearest integer. The variable associated with thekey
should be of typelong
, otherwise the function fails and returnsfalse
. -
success
-
Will be set to
true
on success andfalse
on failure.
Rückgabewerte
Returns the decremented value on success and false
on failure.
Beispiele
Beispiel #1 Using wincache_ucache_dec()
<?php
wincache_ucache_set('counter', 1);
var_dump(wincache_ucache_dec('counter', 2923, $success));
var_dump($success);
?>
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
int(2922) bool(true)
Siehe auch
- 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