apcu_inc

(PECL apcu >= 4.0.0)

apcu_incIncrease a stored number

Descrizione

apcu_inc(
    string $key,
    int $step = 1,
    bool &$success = ?,
    int $ttl = 0
): int|false

Increases a stored number.

Elenco dei parametri

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).

Valori restituiti

Returns the current value of key's value on success, o false in caso di fallimento

Esempi

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_EOLPHP_EOL;

apcu_store('astring''foo');

$ret apcu_inc('astring'1$fail);

var_dump($ret);
var_dump($fail);
?>

Il precedente esempio visualizzerĂ  qualcosa simile a:

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

bool(false)
bool(false)

Vedere anche:

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