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thinkphp/library/think/Error.php

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+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: 麦当苗儿 <zuojiazi@vip.qq.com> <http://zjzit.cn>
+// +----------------------------------------------------------------------
+
+namespace think;
+
+use think\console\Output as ConsoleOutput;
+use think\exception\ErrorException;
+use think\exception\Handle;
+use think\exception\ThrowableError;
+
+class Error
+{
+    /**
+     * 注册异常处理
+     * @return void
+     */
+    public static function register()
+    {
+        error_reporting(E_ALL);
+        set_error_handler([__CLASS__, 'appError']);
+        set_exception_handler([__CLASS__, 'appException']);
+        register_shutdown_function([__CLASS__, 'appShutdown']);
+    }
+
+    /**
+     * Exception Handler
+     * @param  \Exception|\Throwable $e
+     */
+    public static function appException($e)
+    {
+        if (!$e instanceof \Exception) {
+            $e = new ThrowableError($e);
+        }
+
+        self::getExceptionHandler()->report($e);
+        if (IS_CLI) {
+            self::getExceptionHandler()->renderForConsole(new ConsoleOutput, $e);
+        } else {
+            self::getExceptionHandler()->render($e)->send();
+        }
+    }
+
+    /**
+     * Error Handler
+     * @param  integer $errno   错误编号
+     * @param  integer $errstr  详细错误信息
+     * @param  string  $errfile 出错的文件
+     * @param  integer $errline 出错行号
+     * @param array    $errcontext
+     * @throws ErrorException
+     */
+    public static function appError($errno, $errstr, $errfile = '', $errline = 0, $errcontext = [])
+    {
+        $exception = new ErrorException($errno, $errstr, $errfile, $errline, $errcontext);
+        if (error_reporting() & $errno) {
+            // 将错误信息托管至 think\exception\ErrorException
+            throw $exception;
+        } else {
+            self::getExceptionHandler()->report($exception);
+        }
+    }
+
+    /**
+     * Shutdown Handler
+     */
+    public static function appShutdown()
+    {
+        if (!is_null($error = error_get_last()) && self::isFatal($error['type'])) {
+            // 将错误信息托管至think\ErrorException
+            $exception = new ErrorException($error['type'], $error['message'], $error['file'], $error['line']);
+
+            self::appException($exception);
+        }
+
+        // 写入日志
+        Log::save();
+    }
+
+    /**
+     * 确定错误类型是否致命
+     *
+     * @param  int $type
+     * @return bool
+     */
+    protected static function isFatal($type)
+    {
+        return in_array($type, [E_ERROR, E_CORE_ERROR, E_COMPILE_ERROR, E_PARSE]);
+    }
+
+    /**
+     * Get an instance of the exception handler.
+     *
+     * @return Handle
+     */
+    public static function getExceptionHandler()
+    {
+        static $handle;
+        if (!$handle) {
+            // 异常处理handle
+            $class = Config::get('exception_handle');
+            if ($class && is_string($class) && class_exists($class) && is_subclass_of($class, "\\think\\exception\\Handle")) {
+                $handle = new $class;
+            } else {
+                $handle = new Handle;
+                if ($class instanceof \Closure) {
+                    $handle->setRender($class);
+                }
+            }
+        }
+        return $handle;
+    }
+}