# cache\_delete() ## cache\_delete() ``` <pre class="calibre11">``` cache_delete($k, $c = NULL) ``` ``` #### 【功能】 删除一条键值，成功返回 TRUE，失败返回 FALSE。 #### 【参数】 ``` <pre class="calibre11">``` $k：键 $c：$cache 实例，一般可以省略，使用配置文件指定的参数实例化的实例 ``` ``` #### 【用例】 ``` <pre class="calibre11">``` <?php $conf = include './conf.php'; include './xiunophp/xiunophp.php'; cache_set('key1', 'value1'); $r = cache_delete('key1'); if($r === FALSE) { echo $errstr: } else { echo "删除成功": } ?> ``` ```