Constant to enable PHP compression

https://github.com/marienfressinaud/FreshRSS/issues/303#issuecomment-38477994

constants.php

@@ -2,6 +2,9 @@
 define('FRESHRSS_VERSION', '0.8-dev');
 define('FRESHRSS_WEBSITE', 'http://freshrss.org');
 
+// PHP text output compression http://php.net/ob_gzhandler (better to do it at Web server level)
+define('PHP_COMPRESSION', false);
+
 // Constantes de chemins
 define('FRESHRSS_PATH', dirname(__FILE__));
 

p/i/index.php

@@ -35,7 +35,7 @@ if (file_exists ('install.php')) {
 			@filemtime(LOG_PATH . '/' . $currentUser . '.log'),
 			@filemtime(DATA_PATH . '/config.php')
 		);
-		if (httpConditional($dateLastModification, 0, 0, false, false, true)) {
+		if (httpConditional($dateLastModification, 0, 0, false, PHP_COMPRESSION, true)) {
 			exit();	//No need to send anything
 		}
 	}