Merge pull request #67 from pako-pl/master

Add getRawHeader() method to allow retrieving headers without charset conversion

src/Parser.php

@@ -149,22 +149,36 @@ private function parse()
     }
 
     /**
-     * Retrieve a specific Email Header
+     * Retrieve a specific Email Header, without charset conversion.
      * @return String
      * @param $name String Header name
      */
-    public function getHeader($name)
+    public function getRawHeader($name)
     {
         if (isset($this->parts[1])) {
             $headers = $this->getPart('headers', $this->parts[1]);
-            return (isset($headers[$name])) ? $this->decodeHeader($headers[$name]) : false;
+            return (isset($headers[$name])) ? $headers[$name] : false;
         } else {
             throw new \Exception(
                 'setPath() or setText() or setStream() must be called before retrieving email headers.'
             );
         }
     }
 
+    /**
+     * Retrieve a specific Email Header
+     * @return String
+     * @param $name String Header name
+     */
+    public function getHeader($name)
+    {
+        $rawHeader = $this->getRawHeader($name);
+        if ($rawHeader === false) {
+            return false;
+        }
+        return $this->decodeHeader($rawHeader);
+    }
+
     /**
      * Retrieve all mail headers
      * @return Array