APCu 関数
PHP Manual

apcu_inc

(PECL apcu >= 4.0.0)

apcu_incIncrease a stored number

説明

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

Increases a stored number.

パラメータ

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.

返り値

Returns the current value of key's value on success, 失敗した場合に FALSE を返します

例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);
?>

上の例の出力は、 たとえば以下のようになります。

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

bool(false)
bool(false)

参考


APCu 関数
PHP Manual