From 400b9a94c3d846f868c0f19048df43949f29563f Mon Sep 17 00:00:00 2001
From: "ctrlaltca@gmail.com" <>
Date: Tue, 6 Sep 2011 18:13:31 +0000
Subject: TCallbackResponseAdapter: avoid to flush empty boundaries (this
 caused all the <!--//X-PRADO-XXX--> tags to be outputted once for each
 flushOutput() call)

---
 framework/Web/UI/ActiveControls/TCallbackResponseAdapter.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'framework/Web/UI/ActiveControls')

diff --git a/framework/Web/UI/ActiveControls/TCallbackResponseAdapter.php b/framework/Web/UI/ActiveControls/TCallbackResponseAdapter.php
index d07faaa0..13679fc3 100755
--- a/framework/Web/UI/ActiveControls/TCallbackResponseAdapter.php
+++ b/framework/Web/UI/ActiveControls/TCallbackResponseAdapter.php
@@ -152,10 +152,10 @@ class TCallbackResponseWriter extends TTextWriter
 	 */
 	public function flush()
 	{
-		$content = '<!--'.$this->getBoundary().'-->';
-		$content .= parent::flush();
-		$content .= '<!--//'.$this->getBoundary().'-->';
-		return $content;
+		$content = parent::flush();
+		if(empty($content))
+			return "";
+		return '<!--'.$this->getBoundary().'-->'.$content.'<!--//'.$this->getBoundary().'-->';
 	}
 }
 
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