(PECL apcu >= 4.0.0)
apcu_inc — Increase a stored number
$key
, int $step
= 1
, bool &$success
= ?
, int $ttl
= 0
) : int|falseIncreases a stored number.
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).
Returns the current value of key
's value on success,
sau false
în cazul eșecului
Versiune | Descriere |
---|---|
5.1.12 |
The ttl parameter has been added.
|
Example #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);
?>
Exemplul de mai sus va afișa ceva similar cu:
Let's do something with success 42 43 53 63 bool(true) Now, let's fail bool(false) bool(false)