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()

<?php
wincache_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

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