apcu_inc
(PECL apcu >= 4.0.0)
apcu_inc — Increase a stored number
Beschreibung
string
$key
,int
$step
= 1,bool
&$success
= ?,int
$ttl
= 0): int|false
Increases a stored number.
Parameter-Liste
-
key
-
The key of the value being increased.
-
step
-
The step, or value to increase.
-
success
-
Optionally pass the success or fail boolean value to this referenced variable.
-
ttl
-
TTL to use if the operation inserts a new value (rather than incrementing an existing one).
Rückgabewerte
Returns the current value of key
's value on success,
Bei einem Fehler wird false
zurückgegeben.
Beispiele
Beispiel #1 apcu_inc() example
<?php
echo "Let's do something with success", PHP_EOL;
apcu_store('anumber', 42);
echo apcu_fetch('anumber'), PHP_EOL;
echo apcu_inc('anumber'), PHP_EOL;
echo apcu_inc('anumber', 10), PHP_EOL;
echo apcu_inc('anumber', 10, $success), PHP_EOL;
var_dump($success);
echo "Now, let's fail", PHP_EOL, PHP_EOL;
apcu_store('astring', 'foo');
$ret = apcu_inc('astring', 1, $fail);
var_dump($ret);
var_dump($fail);
?>
Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:
Let's do something with success 42 43 53 63 bool(true) Now, let's fail bool(false) bool(false)
Siehe auch
- apcu_dec() - Decrease a stored number