apcu_inc

(PECL apcu >= 4.0.0)

apcu_inc — Increase a stored number

Description

apcu_inc ( string $key [, int $step = 1 [, bool &$success [, int $ttl = 0 ]]] ) : int

Increases a stored number.

Liste de paramètres

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).

Valeurs de retour

Returns the current value of key's value on success, ou FALSE si une erreur survient

Historique

Version Description
5.1.12 The ttl parameter has been added.

Exemples

Exemple #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);
?>

L'exemple ci-dessus va afficher quelque chose de similaire à :

Let's do something with success
42
43
53
63
bool(true)
Now, let's fail

bool(false)
bool(false)

Voir aussi