exists()
exists( $key) : mixed
判断指定键是否存在
Parameters
| $key |
<?php
namespace ticky\cache\driver;
use ticky\cache\contract;
class apc extends contract {
//todo
public function clean() {
}
public function delete($key) {
}
public function exists($key) {
}
public function get($key) {
}
public function set($key, $value, $expire = 0) {
}
}