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PHP Manual :: apcu_inc



apcu_fetch || apcu_sma_info || APCu Functions || PHP Manual

(PECL apcu >= 4.0.0)

apcu_incIncrease a stored number

Description

int apcu_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 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);
?>

The above example will output something similar to:

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

bool(false)
bool(false)

See Also



apcu_fetch || apcu_sma_info || APCu Functions || PHP Manual
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