From 0609a8e9cd16249181afe2674dedde8767f3c831 Mon Sep 17 00:00:00 2001
From: Tom Rix <tom@rixth.org>
Date: Mon, 27 Jul 2009 03:52:40 +0000
Subject: [PATCH] MINOR added Debug::header() for fun debugging.

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@82759 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 dev/Debug.php | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/dev/Debug.php b/dev/Debug.php
index 1482fb2c6..70fd25ef3 100644
--- a/dev/Debug.php
+++ b/dev/Debug.php
@@ -165,6 +165,24 @@ class Debug {
 			}
 		}
 	}
+	
+	// Keep track of how many headers have been sent
+	static $headerCount = 0;
+	
+	/**
+	 * Send a debug message in an HTTP header. Only works if you are
+	 * on Dev, and headers have not yet been sent.
+	 *
+	 * @param string $msg 
+	 * @param string $prefix (optional)
+	 * @return void
+	 */
+	static function header($msg, $prefix) {
+		if (Director::isDev() && !headers_sent()) {
+			self::$headerCount++;
+			header('SS-'.self::$headerCount.($prefix?'-'.$prefix:'').': '.$msg);
+		}
+	}
 
 	/**
 	 * Log to a standard text file output.