php 配置一个自己的配置文件

<?php $config['order'] = array(
		'os_type' => array(
	        "0"=>"Android 客户端",
	        "1"=>"iOS 客户端",
	        "3"=>"微信公共帐号",
	        "4"=>"360",
	        "5"=>"网页版",
	        "6"=>"神马搜索",
	        "10"=>"大众点评",
	        "11"=>"美团"
	    ),
    	'pay_type' => array(
	        1 => '微信',
	        2 => '支付宝',
	        3 => '微信公众',
	        4 => '免费',
	        5 => '只使用套餐卡'
	    )
   	);
?>

       $this->config->load('order',TRUE);
       $order_config = $this->config->item('order', 'order');
       $os_type = $order_config['os_type'];
       $pay_type_list = $order_config['pay_type'];