(PECL wincache >= 1.1.0)
wincache_ucache_delete — Deletes variables from the user cache
key
       The key that was used to store the variable in the cache. 
       key is case sensitive. key can be an 
       array of keys.
      
   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'));
?>以上示例会输出:
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));
?>以上示例会输出:
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));
?>以上示例会输出:
array(2) { [0]=> string(6) "yellow" 
           [1]=> string(4) "cyan" }
