<?php
class Registry
{
static private $_instance = null;
private $registry = [];
static public function getInstance()
{
if (is_null(self::$_instance)) {
self::$_instance = new self;
}
return self::$_instance;
}
static public function set($key, $object)
{
self::getInstance()->registry[$key] = $object;
}
static public function get($key)
{
return self::getInstance()->registry[$key];
}
static public function has($name)
{
if ( ! isset(self::getInstance()->registry[$name])) {
return false;
}
return true;
}
static public function remove($name)
{
if (self::has($name)) {
unset(self::getInstance()->registry[$name]);
}
}
private function __construct() {
}
private function __clone() {
}
}