From c9226dd0f89f0fdca7f3e37109cbad226c0240ed Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Thu, 10 Apr 2014 17:50:52 +0200
Subject: [PATCH] Only send header when there is a value, fixes #352

---
 src/Monolog/Handler/ChromePHPHandler.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Monolog/Handler/ChromePHPHandler.php b/src/Monolog/Handler/ChromePHPHandler.php
index 705400b1..ee92e3ca 100644
--- a/src/Monolog/Handler/ChromePHPHandler.php
+++ b/src/Monolog/Handler/ChromePHPHandler.php
@@ -130,7 +130,9 @@ class ChromePHPHandler extends AbstractProcessingHandler
             $data = base64_encode(utf8_encode($json));
         }
 
-        $this->sendHeader(self::HEADER_NAME, $data);
+        if (trim($data) !== '') {
+            $this->sendHeader(self::HEADER_NAME, $data);
+        }
     }
 
     /**