php 自定义异常处理

register_shutdown_function('lib\Error::fatalError');
set_error_handler('lib\Error::appError');
set_exception_handler('lib\Error::appException');

<?php
namespace lib;
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2018/4/30 0030
 * Time: 15:43
 */
class Error
{

    /**
     * 自定义异常处理
     * @access public
     * @param mixed $e 异常对象
     */
    static public function appException($e)
    {
        echo 4444;
        $error = array();
        $error['message'] = $e->getMessage();
        $trace = $e->getTrace();
        if ('E' == $trace[0]['function']) {
            $error['file'] = $trace[0]['file'];
            $error['line'] = $trace[0]['line'];
        } else {
            $error['file'] = $e->getFile();
            $error['line'] = $e->getLine();
        }
        $error['trace'] = $e->getTraceAsString();

        // 发送404信息
        header('HTTP/1.1 404 Not Found');
        header('Status:404 Not Found');
        self::halt($error);
    }

    /**
     * 自定义错误处理
     * @access public
     * @param int $errno 错误类型
     * @param string $errstr 错误信息
     * @param string $errfile 错误文件
     * @param int $errline 错误行数
     * @return void
     */
    static public function appError($errno, $errstr, $errfile, $errline)
    {

        switch ($errno) {
            case E_ERROR:
            case E_PARSE:
            case E_CORE_ERROR:
            case E_COMPILE_ERROR:
            case E_USER_ERROR:
                echo $errno;
                echo '-----------';
                ob_end_clean();
                $errorStr = "$errstr " . $errfile . " 第 $errline 行.";
                self::halt($errorStr);
                break;
            default:
                $errorStr = "[$errno] $errstr " . $errfile . " 第 $errline 行.";
                break;
        }
    }

    // 致命错误捕获
    static public function fatalError()
    {
        echo 555;

        if ($e = error_get_last()) {
            switch ($e['type']) {
                case E_ERROR:
                case E_PARSE:
                case E_CORE_ERROR:
                case E_COMPILE_ERROR:
                case E_USER_ERROR:
                    ob_end_clean();
                    self::halt($e);
                    break;
            }
        }
    }

    /**
     * 错误输出
     * @param mixed $error 错误
     * @return void
     */
    static public function halt($error)
    {
        echo 22;
        $e = array();

        if (APP_DEBUG) {

            //调试模式下输出错误信息
            if (!is_array($error)) {
                $trace = debug_backtrace();
                $e['message'] = $error;
                $e['file'] = $trace[0]['file'];
                $e['line'] = $trace[0]['line'];
                ob_start();
                debug_print_backtrace();
                $e['trace'] = ob_get_clean();
            } else {
                $e = $error;
            }

            exit( $e['message'] . PHP_EOL . 'FILE: ' . $e['file'] . '(' . $e['line'] . ')' . PHP_EOL . $e['trace']);
        } else {

            echo json_encode(array('code' => 0, 'msg' => 'cheng'));
        }

        exit;
    }
}