apcu_inc

(PECL apcu >= 4.0.0)

apcu_inc — Increase a stored number

说锟斤拷

apcu_inc ( string $key [, int $step = 1 [, bool &$success ]] ) : int

Increases a stored number.

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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.

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Returns the current value of key's value on success, 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE

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Example #1 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);
?>

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Let's do something with success
42
43
53
63
bool(true)
Now, let's fail

bool(false)
bool(false)

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