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  • wincache_ucache_delete()

    (PECL wincache >= 1.1.0)

    Deletes variables from the user cache

    说明

    wincache_ucache_delete(mixed $key): bool

    Deletes the elements in the user cache pointed by$key.

    参数

    $key

    The$keythat was used to store the variable in the cache.$keyis case sensitive.$keycan be an array of keys.

    返回值

    成功时返回TRUE,或者在失败时返回FALSE

    If$keyis 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.

    范例

    Example #1 Using wincache_ucache_delete() with$keyas a string

    <?php
    wincache_ucache_set('foo', 'bar');
    var_dump(wincache_ucache_delete('foo'));
    var_dump(wincache_ucache_exists('foo'));
    ?>
    

    以上例程会输出:

    bool(true)
    bool(false)
    

    Example #2 Usingwincache_ucache_delete() with$keyas 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));
    ?>
    

    以上例程会输出:

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

    Example #3 Using wincache_ucache_delete() with$keyas 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));
    ?>
    

    以上例程会输出:

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

    参见