Php/docs/function.wincache-ucache-clear
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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.
返回值
成功时返回 true
, 或者在失败时返回 false
。
范例
Example #1 using wincache_ucache_clear()
<?phpwincache_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));?>
以上例程会输出:
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