(PECL apc >= 3.1.1)
apc_inc — Increase a stored number
Increases a stored number.
The key of the value being increased.
The step, or value to increase.
Optionally pass the success or fail boolean value to this referenced variable.
Returns the current value of key's value on success, или FALSE в случае возникновения ошибки
Пример #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_EOL, PHP_EOL;
apc_store('astring', 'foo');
$ret = apc_inc('astring', 1, $fail);
var_dump($ret);
var_dump($fail);
?>
Результатом выполнения данного примера будет что-то подобное:
42 43 53 63 bool(true) Now, let's fail bool(false) bool(false)