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PHP

Decrease a stored number


apc_dec

(PECL apc >= 3.1.1)

apc_decDecrease a stored number

Description

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

Decreases a stored integer value.

Parameters

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.

Return Values

Returns the current value of key's value on success, or FALSE on failure

Examples

Example #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);
?>

The above example will output something similar to:

 Let's do something with success 42 41 31 21 bool(true) Now, let's fail bool(false) bool(false) 

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