Add default config values to Config class

Author: glensc

src/Config.php

@@ -11,7 +11,15 @@ class Config implements ArrayAccess
 
     public function __construct(array $config = array())
     {
-        $this->config = $config;
+        $this->config = $this->getDefaultConfig();
+        if ($config) {
+            $this->merge($config);
+        }
+    }
+
+    private function merge(array $config)
+    {
+        $this->config = array_replace($this->config, $config);
     }
 
     public function offsetExists($offset)
@@ -33,4 +41,39 @@ public function offsetUnset($offset)
     {
         unset($this->config[$offset]);
     }
+
+    /**
+     * @return array
+     */
+    private function getDefaultConfig()
+    {
+        return array(
+            'save.handler' => Profiler::SAVER_STACK,
+            'save.handler.stack' => array(
+                'savers' => array(
+                    Profiler::SAVER_UPLOAD,
+                    Profiler::SAVER_FILE,
+                ),
+                'saveAll' => false,
+            ),
+            'save.handler.file' => array(
+                'filename' => sys_get_temp_dir() . '/xhgui.data.jsonl',
+            ),
+            'profiler.enable' => function () {
+                return true;
+            },
+            'profiler.flags' => array(
+                ProfilingFlags::CPU,
+                ProfilingFlags::MEMORY,
+                ProfilingFlags::NO_BUILTINS,
+                ProfilingFlags::NO_SPANS,
+            ),
+            'profiler.options' => array(),
+            'profiler.exclude-env' => array(),
+            'profiler.simple_url' => function ($url) {
+                return preg_replace('/=\d+/', '', $url);
+            },
+            'profiler.replace_url' => null,
+        );
+    }
 }