(PECL apc >= 3.1.1)
Decrease a stored number
int apc_dec ( string $key [, int $step = 1 [, bool &$success ]] )
Decreases a stored integer value.
Parameters:
key
The key of the value being decreased.
step
The step, or value to decrease.
success
Optionally pass the success or fail boolean value to this referenced variable.
Returns:
Returns the current value of key
's value on success, or FALSE
on failure
Examples:
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); ?>
The above example will output something similar to:
Let's do something with success 42 41 31 21 bool(true) Now, let's fail bool(false) bool(false)
See also:
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