v1.2.0

Author: bupy7

CHANGELOG.md

@@ -10,6 +10,7 @@ v1.2.0 [2015-12-21]
 - Added ability configuration of `XMLWriter` via `$config` param to `__construct()`
 method. 
 - Added `libxml` to required section of `composer.json`.
+- Small enhancements and fixes.
 
 v1.1.0 [2015-08-27]
 -------------------

XmlConstructor.php

@@ -48,7 +48,15 @@
  */
 class XmlConstructor extends XMLWriter
 {
+    /**
+     * @var boolean Flag of completed preparing.
+     */
     private $_prepared = false;
+    /**
+     * @var boolean Flag of added start document tag.
+     * @since 1.2.0
+     */
+    private $_startDocument = false;
 
     /**
      * Constructor of XML document structure.
@@ -119,7 +127,9 @@ public function toOutput()
     protected function preparing()
     {
         if (!$this->_prepared) {
-            $this->endDocument();
+            if ($this->_startDocument) {
+                $this->endDocument();
+            }
             $this->_prepared = true;
         }
         return $this;
@@ -166,7 +176,9 @@ protected function configIndentString($string)
     protected function configStartDocument($arguments)
     {
         if (is_array($arguments)) {
-            call_user_func_array([$this, 'startDocument'], $arguments);
+            if (call_user_func_array([$this, 'startDocument'], $arguments)) {
+                $this->_startDocument = true;
+            }
         }
     }
 }