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apcu_inc

(PECL apcu >= 4.0.0)

apcu_incIncrease a stored number

Descripción

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

Increases a stored number.

Parámetros

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).

Valores devueltos

Returns the current value of key's value on success, o false en caso de error

Ejemplos

Ejemplo #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);
?>

El resultado del ejemplo sería algo similar a:

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

bool(false)
bool(false)

Ver también

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