apc_inc
(PECL apc >= 3.1.1)
apc_inc — Increase a stored number
Description
int apc_inc
( string
$key
[, int $step = 1
[, bool &$success
]] )Increases a stored number.
Parameters
-
key -
The key of the value being increased.
-
step -
The step, or value to increase.
-
success -
Optionally pass the success or fail boolean value to this referenced variable.
Return Values
Returns the current value of key's value on success,
or FALSE on failure
Examples
Example #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($fail);
?>
The above example will output something similar to:
42 43 53 63 bool(true) Now, let's fail bool(false) bool(false)
See Also
- apc_dec() - Decrease a stored number
Коментарии
if you set a variable via apc_store and set a TTL,
you have to do a apc_get($key) before using apc_inc().
if you try it without apc_get() your entry will never expire because with apc_inc the variable will never expire!