(PECL apcu >= 4.0.0)
apcu_inc — Increase a stored number
$key
[, int $step
= 1
[, bool &$success
]] )Increases a stored number.
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.
Returns the current value of key
's value on success,
o FALSE
en caso de error
Ejemplo #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);
?>
El resultado del ejemplo sería algo similar a:
Let's do something with success 42 43 53 63 bool(true) Now, let's fail bool(false) bool(false)