setup.php:

- define('POSTFIXADMIN') to avoid session_start() call in common.php
  This avoids breakage if php5-session is not installed. Fixes
  https://sourceforge.net/tracker/?func=detail&aid=2855430&group_id=191583&atid=937964

common.php
- only define('POSTFIXADMIN') if it is not yet defined (avoids a warning)



git-svn-id: https://svn.code.sf.net/p/postfixadmin/code/trunk@733 a1433add-5e2c-0410-b055-b7f2511e0802

common.php

@@ -17,10 +17,10 @@
  * environment and ensures other functions are loaded.
  */
 
-if(!defined('POSTFIXADMIN')) {
+if(!defined('POSTFIXADMIN')) { # already defined if called from setup.php
     session_start();
+    define('POSTFIXADMIN', 1); # checked in included files
 }
-define('POSTFIXADMIN', 1); # checked in included files
 
 $incpath = dirname(__FILE__);
 (ini_get('magic_quotes_gpc') ? ini_set('magic_quotes_runtime', '0') : '1');

setup.php

@@ -23,6 +23,8 @@
  * Form POST \ GET Variables: -none-
  */
 
+define('POSTFIXADMIN', 1); # by defining it here, common.php will not start a session.
+
 require_once('common.php');
 
 $CONF['show_header_text'] = 'NO';