errpage.php

<?php

namespace ScpoPHP;

require_once __DIR__ . '/url.php';

use ScpoPHP\Config\Errpage as Cfg;

/**
 * 快速优雅地抛出错误
 * @link http://scpo-php.seventop.top/errpage/
 */
class Errpage
{
	/**各错误码对应信息 */
	static $code_info = array(
		404 => 'Not Found',
		418 => 'I\'m a teapot'
	);
	/**
	 * 发出错误
	 */
	static public function die($code)
	{
		$info = isset(self::$code_info[$code]) ? ' ' . self::$code_info[$code] : '';
		header("HTTP/1.1 $code$info");
		echo "\"^_^ <b>Surprise!</b><br />$code $info\"";
		die();
	}
	/**
	 * 快速重定向
	 */
	static public function get_ret($file, $from = '')
	{
		static $c_url = '//' . $_SERVER['HTTP_HOST'] . Cfg::$now->callback_page;
		$ret = function ($info) use ($c_url, $file) {
			header('Location: ' . Url::rep_query($c_url, [Cfg::$now->query_key => "$file:\n$info"]));
			die();
		};
		$end = function ($info_raw) use ($from, $ret) {
			if (!$from) $ret('No $from but using end function in ScpoPHP\Errpage:' . __LINE__);
			header("Location: " . Url::rep_query($from, [Cfg::$now->query_key => (Cfg::$now->encoder)($info_raw)]));
			die();
		};
		return [$ret, $end];
	}
}