From 517ba3a6140cc26c6e1f340a4b5c2a3cc30063f2 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 27 Nov 2023 14:25:53 +0100
Subject: [inc/Render] Fix gzip compressed output

---
 inc/render.inc.php | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/inc/render.inc.php b/inc/render.inc.php
index 4318a95..c606fd8 100644
--- a/inc/render.inc.php
+++ b/inc/render.inc.php
@@ -32,10 +32,10 @@ class Render
 	/**
 	 * Output the buffered, generated page
 	 */
-	public static function output()
+	public static function output(): void
 	{
 		Header('Content-Type: text/html; charset=utf-8');
-		$zip = isset($_SERVER['HTTP_ACCEPT_ENCODING']) && (strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== false);
+		$zip = isset($_SERVER['HTTP_ACCEPT_ENCODING']) && (str_contains($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip'));
 		if ($zip)
 			ob_start();
 		echo
@@ -74,8 +74,7 @@ class Render
 			ob_implicit_flush(false);
 			$gzip_contents = ob_get_contents();
 			ob_end_clean();
-			echo "\x1f\x8b\x08\x00\x00\x00\x00\x00";
-			echo substr(gzcompress($gzip_contents, 5), 0, -4);
+			echo gzcompress($gzip_contents, 5, ZLIB_ENCODING_GZIP);
 		}
 	}
 
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