<?php 
function halt($error,$level='ERROR',$type=3,$dest=NULL){
	if(is_array($error)){
		Log::write($error['message'],$level,$type,$dest);	
	}else{
		Log::write($error,$level,$type,$dest);
	}

	$e = array();
	// 开启DEBUG的操作
	if(DEBUG){
		if(!is_array($error)){
			$trace = debug_backtrace();
			$e['message'] = $error;
			$e['file'] = $trace[0]['file'];
			$e['line'] = $trace[0]['line'];
			$e['class'] = isset($trace[0]['class']) ? $trace[0]['class'] : '';
			$e['function'] = isset($trace[0]['function']) ? $trace[0]['function'] : '';
			ob_start();
			debug_print_backtrace();
			$e['trace'] = htmlspecialchars(ob_get_clean());
		}else{
			$e=$error;
		}
	}else{
		if($url = C('ERROR_URL')){
			go($url);
		}else{
			$e['message']	= C('ERROR_MSG');
		}
	}
	include DATA_PATH . '/Tpl/halt.html';
	die;
}

/**
 * [p 打印函数]
 * @param  [type] $arr [description]
 * @return [type]      [description]
 */
function p($arr){
	if (is_bool($arr)) {
		var_dump($arr);
	}else if (is_null($arr)) {
		var_dump(NULL);
	}else{
		echo '<pre style="padding:10px;border-radius:5px;background:#f5f5f5;border:1px solid#ccc;font-size:15px;">' . print_r($arr,true) . '</pre>';
	}

}
function go($url, $time=0, $msg=''){
	if(!headers_sent()){
		$time == 0  ? header('Location:' . $url) : header("refresh:{$time};url={$url}");
		die($msg);
	}else{
		echo "<meta http-equiv='Refresh' content='{$time};URL={$url}'>";
		if($time) die($msg);
	}
}


//1.加载配置项
//C（$sysConfig）C($userConfig);
//2.读取配置项
//C('CODE_LEN')
//C（'CODE_LEN',20）;  临时改变动态配置项
//4.C();
function c($var = NULL, $value = NULL){
	static $config = array();
	//加载配置项
	if (is_array($var)) {
		$config = array_merge($config,array_change_key_case($var,CASE_UPPER));
		return;

	}
	//读取或者动态改变配置项
	if (is_string($var)) {
		$var = strtoupper($var);
		//两个参数传递
		if (!is_null($value)) {
			$config[$var] = $value;
			return;
		}

		return isset ($config[$var]) ? $config[$var] : NULL;
	}
	//返回所有的配置项
	if (is_null($var) && is_null($value)) {
		return $config;
	}

}

function print_const(){
	$const =get_defined_constants(true);
	p($const['user']);
}

//M函数 eg;$data = M('YDTDPHP_XXX')->all();
function M($table){
	$obj = new Model($table);
	return $obj;
}

//扩展模型加载与定义及使用 使用K调用Model
		// $model = new MessageModel;
		// $data = $model->get_all_data();
		//$data =K('record')->get_all_data(); 调用K方法
function K($model){
	$model .= 'Model';
	return new $model;
}

?>