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apcu_inc

(PECL apcu >= 4.0.0)

apcu_incIncrease a stored number

설명

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

Increases a stored number.

인수

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.

반환값

Returns the current value of key's value on success, 실패 시 FALSE를 반환합니다

예제

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);
?>

위 예제의 출력 예시:

42
43
53
63
bool(true)
Now, let's fail

bool(false)
bool(false)

참고


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