(PECL wincache >= 1.1.0)
wincache_ucache_delete — Deletes variables from the user cache
Deletes the elements in the user cache pointed by key.
key
The key that was used to store the variable in the cache.
key is case sensitive. key can be an
array of keys.
成功時(shí)返回 true， 或者在失敗時(shí)返回 false。
If key is an array then the function returns false
if every element of the array fails to get deleted from the user cache, otherwise returns an
array which consists of all the keys that are deleted.
示例 #1 Using wincache_ucache_delete() with key as a string
<?php
wincache_ucache_set('foo', 'bar');
var_dump(wincache_ucache_delete('foo'));
var_dump(wincache_ucache_exists('foo'));
?>
以上例程會(huì )輸出：
bool(true) bool(false)
示例 #2 Usingwincache_ucache_delete() with key as an array
<?php
$array1 = array('green' => '5', 'blue' => '6', 'yellow' => '7', 'cyan' => '8');
wincache_ucache_set($array1);
$array2 = array('green', 'blue', 'yellow', 'cyan');
var_dump(wincache_ucache_delete($array2));
?>
以上例程會(huì )輸出：
array(4) { [0]=> string(5) "green"
[1]=> string(4) "Blue"
[2]=> string(6) "yellow"
[3]=> string(4) "cyan" }
示例 #3 Using wincache_ucache_delete() with key as an array where some elements cannot be deleted
<?php
$array1 = array('green' => '5', 'blue' => '6', 'yellow' => '7', 'cyan' => '8');
wincache_ucache_set($array1);
$array2 = array('orange', 'red', 'yellow', 'cyan');
var_dump(wincache_ucache_delete($array2));
?>
以上例程會(huì )輸出：
array(2) { [0]=> string(6) "yellow"
[1]=> string(4) "cyan" }