优化代码

vendor/topthink/framework/src/helper.php

@@ -202,6 +202,34 @@ if (!function_exists('dump')) {
     }
 }
 
+if (!function_exists('dd')) {
+    /**
+     * 浏览器友好的变量输出
+     * @param mixed $vars 要输出的变量
+     * @return void
+     */
+    function dd(...$vars)
+    {
+        ob_start();
+        var_dump(...$vars);
+
+        $output = ob_get_clean();
+        $output = preg_replace('/\]\=\>\n(\s+)/m', '] => ', $output);
+
+        if (PHP_SAPI == 'cli') {
+            $output = PHP_EOL . $output . PHP_EOL;
+        } else {
+            if (!extension_loaded('xdebug')) {
+                $output = htmlspecialchars($output, ENT_SUBSTITUTE);
+            }
+            $output = '<pre>' . $output . '</pre>';
+        }
+
+        echo $output;
+        die;
+    }
+}
+
 if (!function_exists('env')) {
     /**
      * 获取环境变量值
@@ -661,3 +689,18 @@ if (!function_exists('root_path')) {
         return app()->getRootPath() . ($path ? $path . DIRECTORY_SEPARATOR : $path);
     }
 }
+
+if (!function_exists('is_dev')) {
+    function is_dev()
+    {
+        $env = env('APP_ENV', '');
+        $env = strtolower($env);
+        if (in_array($env, ['dev', 'development', 'local', 'test'], true)) {
+            return true;
+        }
+        if (app()->environment('dev') || app()->environment('local') || app()->environment('test')) {
+            return true;
+        }
+        return false;
+    }
+}