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PHP

Increase a stored number


apc_inc

(PECL apc >= 3.1.1)

apc_incIncrease a stored number

Description

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

Increases a stored number.

Parameters

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.

Return Values

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

Examples

Example #1 apc_inc() example

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

apc_store('anumber'42);

echo 
apc_fetch('anumber'), PHP_EOL;

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

var_dump($success);

echo 
"Now, let's fail"PHP_EOLPHP_EOL;

apc_store('astring''foo');

$ret apc_inc('astring'1$fail);

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

The above example will output something similar to:

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

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