From c8327bdc857ea26ec576d5c5d1070dcfd815c033 Mon Sep 17 00:00:00 2001
From: Nathan Gass
Date: Wed, 22 Jun 2022 10:36:44 +0200
Subject: ED output to stderror if IT_ED_STDERR is set

---
 auto_prepend.php | 7 ++++---
 it_debug.class   | 8 ++++++++
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/auto_prepend.php b/auto_prepend.php
index 528769f..19108fb 100644
--- a/auto_prepend.php
+++ b/auto_prepend.php
@@ -16,7 +16,7 @@ function D(...$args)
 function ED(...$args)
 {
 	it_debug::setup();
-	echo it_debug::dump($args);
+	it_debug::echo($args);
 	return $args[0];
 }
 
@@ -33,7 +33,7 @@ function EDC($var, ...$args)
 		if ($args)
 		{
 			it_debug::setup();
-			echo it_debug::dump($args);
+			it_debug::echo($args);
 		}
 
 		if (!$result || $result === true)       # Compatibility with old map relying on 0|1
@@ -51,7 +51,8 @@ function EDX(...$args)
 	if ($_SERVER['REMOTE_ADDR'] && !headers_sent())
 		header("Content-Type: text/html"); # Not going to be e.g. a valid gif anyway
 
-	exit(it_debug::dump($args));
+	it_debug::echo($args);
+	exit();
 }
 
 
diff --git a/it_debug.class b/it_debug.class
index a504be8..c4bc8db 100644
--- a/it_debug.class
+++ b/it_debug.class
@@ -51,6 +51,14 @@ function debug($text, $level = 0)
 	}
 }
 
+static function echo($args)
+{
+	if (getenv('IT_ED_STDERR'))
+		fputs(STDERR, self::dump($args));
+	else
+		echo self::dump($args);
+}
+
 /**
  * Get source line of grandparent calling this function
  * @param $stacksoffs go up an extra $stacksoffs levels
-- 
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