Php/docs/function.wincache-ucache-inc

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wincache_ucache_inc

(PECL wincache >= 1.1.0)

wincache_ucache_inc Increments the value associated with the key


说明

wincache_ucache_inc ( string $key [, int $inc_by = 1 [, bool &$success ]] ) : mixed

Increments the value associated with the key by 1 or as specified by inc_by.


参数

key
The key that was used to store the variable in the cache. key is case sensitive.
inc_by
The value by which the variable associated with the key will get incremented. If the argument is a floating point number it will be truncated to nearest integer. The variable associated with the key should be of type long, otherwise the function fails and returns false.
success
Will be set to true on success and false on failure.


返回值

Returns the incremented value on success and false on failure.


范例

Example #1 Using wincache_ucache_inc()

<?phpwincache_ucache_set('counter', 1);var_dump(wincache_ucache_inc('counter', 2921, $success));var_dump($success);?>

以上例程会输出:


int(2922) 
bool(true)

参见