WinCache 関数
PHP Manual

wincache_ucache_delete

(PECL wincache >= 1.1.0)

wincache_ucache_delete Deletes variables from the user cache

説明

bool wincache_ucache_delete ( mixed $key )

Deletes the elements in the user cache pointed by key.

パラメータ

key

The key that was used to store the variable in the cache. key is case sensitive. key can be an array of keys.

返り値

成功した場合に TRUE を、失敗した場合に FALSE を返します。

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.

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'));
?>

上の例の出力は以下となります。

bool(true)
bool(false)

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));
?>

上の例の出力は以下となります。

array(4) { [0]=> string(5) "green" 
           [1]=> string(4) "Blue" 
           [2]=> string(6) "yellow" 
           [3]=> string(4) "cyan" } 

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));
?>

上の例の出力は以下となります。

array(2) { [0]=> string(6) "yellow" 
           [1]=> string(4) "cyan" }

参考


WinCache 関数
PHP Manual