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PHP apcu_inc

PHP original manual for apcu_inc [ show | php.net ]

apcu_inc

(PECL apcu >= 4.0.0)

apcu_inc — Increase 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_EOL, PHP_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:

Let's do something with success
42
43
53
63
bool(true)
Now, let's fail

bool(false)
bool(false)

See Also