(PECL apcu >= 4.0.0)
Increase a stored number
int apcu_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.
Returns:
Returns the current value of key
's value on success, or FALSE
on failure
Examples:
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); ?>
The above example will output something similar to:
42 43 53 63 bool(true) Now, let's fail bool(false) bool(false)
See also:
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