apc_dec

(PECL apc >= 3.1.1)

apc_decDecrease a stored number

Açıklama

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

Decreases a stored integer value.

Değiştirgeler

key

The key of the value being decreased.

step

The step, or value to decrease.

success

Optionally pass the success or fail boolean value to this referenced variable.

Dönen Değerler

Returns the current value of key's value on success, başarısızlık durumunda FALSE döner

Örnekler

Örnek 1 apc_dec() example

<?php
echo "Let's do something with success"PHP_EOL;

apc_store('anumber'42);

echo 
apc_fetch('anumber'), PHP_EOL;

echo 
apc_dec('anumber'), PHP_EOL;
echo 
apc_dec('anumber'10), PHP_EOL;
echo 
apc_dec('anumber'10$success), PHP_EOL;

var_dump($success);

echo 
"Now, let's fail"PHP_EOLPHP_EOL;

apc_store('astring''foo');

$ret apc_dec('astring'1$fail);

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

Yukarıdaki örnek şuna benzer bir çıktı üretir:

Let's do something with success
42
41
31
21
bool(true)

Now, let's fail
bool(false)
bool(false)

Ayrıca Bakınız