wincache_ucache_clear

(PECL wincache >= 1.1.0)

wincache_ucache_clear — Deletes entire content of the user cache

说明

wincache_ucache_clear(): bool

Clears/deletes all the values stored in the user cache.

参数

此函数没有参数。

返回值

成功时返回 true，或者在失败时返回 false。

示例

示例 #1 using wincache_ucache_clear()

<?php
wincache_ucache_set('green', 1);
wincache_ucache_set('red', 2);
wincache_ucache_set('orange', 4);
wincache_ucache_set('blue', 8);
wincache_ucache_set('cyan', 16);
$array1 = array('green', 'red', 'orange', 'blue', 'cyan');
var_dump(wincache_ucache_get($array1));
var_dump(wincache_ucache_clear());
var_dump(wincache_ucache_get($array1));
?>

以上示例会输出：

array(5) { ["green"]=> int(1) 
           ["red"]=> int(2) 
           ["orange"]=> int(4) 
           ["blue"]=> int(8) 
           ["cyan"]=> int(16) } 
bool(true) 
bool(false)

参见

wincache_ucache_set() - Adds a variable in user cache and overwrites a variable if it already exists in the cache
wincache_ucache_add() - Adds a variable in user cache only if variable does not already exist in the cache
wincache_ucache_delete() - Deletes variables from the user cache
wincache_ucache_get() - Gets a variable stored in the user cache
wincache_ucache_exists() - Checks if a variable exists in the user cache
wincache_ucache_meminfo() - Retrieves information about user cache memory usage
wincache_ucache_info() - Retrieves information about data stored in the user cache