(PECL apcu >= 4.0.0)
apcu_inc — Increase a stored number
Increases a stored number.
keyThe key of the value being increased.
stepThe step, or value to increase.
successOptionally pass the success or fail boolean value to this referenced variable.
ttlTTL to use if the operation inserts a new value (rather than incrementing an existing one).
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)