(PECL apc >= 3.1.1)
apc_inc — Increase a stored number
$key
[, int $step = 1
[, bool &$success
]] ) : intIncreases 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.
Returns the current value of key's value on success,
ou FALSE em caso de falha
Exemplo #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);
?>
O exemplo acima irá imprimir algo similar à:
42 43 53 63 bool(true) Now, let's fail bool(false) bool(false)