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(PECL apc >= 3.1.1)
apc_dec — Decrease a stored number
Decreases a stored integer value.
The key of the value being decreased.
The step, or value to decrease.
Optionally pass the success or fail boolean value to this referenced variable.
Returns the current value of key's value on success, Im Fehlerfall wird FALSE zurückgegeben.
Beispiel #1 apc_dec() example
<?php
echo "Let's do something with success", PHP_EOL;
apc_store('anumber', 42);
echo apc_fetch('anumber'), PHP_EOL;
echo apc_dec('anumber'), PHP_EOL;
echo apc_dec('anumber', 10), PHP_EOL;
echo apc_dec('anumber', 10, $success), PHP_EOL;
var_dump($success);
echo "Now, let's fail", PHP_EOL, PHP_EOL;
apc_store('astring', 'foo');
$ret = apc_dec('astring', 1, $fail);
var_dump($ret);
var_dump($fail);
?>
Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:
Let's do something with success 42 41 31 21 bool(true) Now, let's fail bool(false) bool(false)
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