Increase a stored number

Description

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

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.

Valeurs de retour

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

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

apcu_dec() - Decrease a stored number