APC 函数
PHP Manual

apc_inc

(PECL apc >= 3.1.1)

apc_incIncrease a stored number

说明

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

Increases a stored number.

参数

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.

返回值

Returns the current value of key's value on success, 或者在失败时返回 FALSE

范例

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_EOLPHP_EOL;

apc_store('astring''foo');

$ret apc_inc('astring'1$fail);

var_dump($ret);
var_dump($fail);
?>

以上例程的输出类似于:

42
43
53
63
bool(true)
Now, let's fail

bool(false)
bool(false)

参见


APC 函数
PHP Manual