Index: kernel/application.php
===================================================================
--- kernel/application.php	(revision 15521)
+++ kernel/application.php	(working copy)
@@ -1351,7 +1351,9 @@
 			return false;
 		}
 
-		return $this->ConfigValue('UseOutputCompression') && function_exists('gzencode') && strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip');
+		$accept_encoding = isset($_SERVER['HTTP_ACCEPT_ENCODING']) ? $_SERVER['HTTP_ACCEPT_ENCODING'] : '';
+
+		return $this->ConfigValue('UseOutputCompression') && function_exists('gzencode') && strstr($accept_encoding, 'gzip');
 	}
 
 	//	Facade
Index: kernel/utility/debugger/debugger_responce.php
===================================================================
--- kernel/utility/debugger/debugger_responce.php	(revision 15437)
+++ kernel/utility/debugger/debugger_responce.php	(working copy)
@@ -11,33 +11,37 @@
 * or other free or open source software licenses.
 * See http://www.in-portal.org/license for copyright notices and details.
 */
+
 	ini_set('memory_limit', -1);
 	set_time_limit(0);
 
-	define('FULL_PATH', realpath(dirname(__FILE__).'/../../../..') );
+	define('FULL_PATH', realpath(dirname(__FILE__) . '/../../../..'));
 
 	$sid = $_GET['sid'];
 	$path = isset($_GET['path']) ? $_GET['path'] : '/system/cache';
 
-	if ((strpos($path, '../') !== false) || (trim($path) !== $path)) {
+	if ( (strpos($path, '../') !== false) || (trim($path) !== $path) ) {
 		// when relative paths or special chars are found template names from url, then it's hacking attempt
 		exit;
 	}
 
-	if (!preg_match('/^@([\d]+)@$/', $sid)) exit;
+	if ( !preg_match('/^@([\d]+)@$/', $sid) ) {
+		exit;
+	}
 
-	$debug_file = FULL_PATH.$path.'/debug_'.$sid.'.txt';
-	if (file_exists($debug_file)) {
+	$debug_file = FULL_PATH . $path . '/debug_' . $sid . '.txt';
+	if ( file_exists($debug_file) ) {
 		$ret = file_get_contents($debug_file);
-		$ret = str_replace('#DBG_FILESIZE#', formatSize( filesize($debug_file) ), $ret);
+		$ret = str_replace('#DBG_FILESIZE#', formatSize(filesize($debug_file)), $ret);
 		unlink($debug_file);
 	}
 	else {
 		$ret = 'file not found';
 	}
 
+	$accept_encoding = isset($_SERVER['HTTP_ACCEPT_ENCODING']) ? $_SERVER['HTTP_ACCEPT_ENCODING'] : '';
 
-	if (function_exists('gzencode') && strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip')) {
+	if ( function_exists('gzencode') && strstr($accept_encoding, 'gzip') ) {
 		header('Content-Encoding: gzip');
 		echo gzencode($ret);
 	}
@@ -54,22 +58,26 @@
 	 */
 	function formatSize($bytes)
 	{
-		if ($bytes >= 1099511627776) {
+		if ( $bytes >= 1099511627776 ) {
 			$return = round($bytes / 1024 / 1024 / 1024 / 1024, 2);
 			$suffix = "TB";
-		} elseif ($bytes >= 1073741824) {
+		}
+		elseif ( $bytes >= 1073741824 ) {
 			$return = round($bytes / 1024 / 1024 / 1024, 2);
 			$suffix = "GB";
-		} elseif ($bytes >= 1048576) {
+		}
+		elseif ( $bytes >= 1048576 ) {
 			$return = round($bytes / 1024 / 1024, 2);
 			$suffix = "MB";
-		} elseif ($bytes >= 1024) {
+		}
+		elseif ( $bytes >= 1024 ) {
 			$return = round($bytes / 1024, 2);
 			$suffix = "KB";
-		} else {
+		}
+		else {
 			$return = $bytes;
 			$suffix = "Byte";
 		}
-		$return .= ' '.$suffix;
+		$return .= ' ' . $suffix;
 		return $return;
 	}