see http://www.howtoforge.com/forums/showthread.php?p=299049

mrtnzlml

2013-07-26 4c12c10c58529cd80a34e820caee06ef8754a7aa

 server/plugins-available/apache2_plugin.inc.php

@@ -923,7 +923,7 @@
      //* Create custom php.ini
      if(trim($data['new']['custom_php_ini']) != '') {
         $has_custom_php_ini = true;
         if(!is_dir($custom_php_ini_dir)) $app->system->mkdir($custom_php_ini_dir);
         if(!is_dir($custom_php_ini_dir)) $app->system->mkdirpath($custom_php_ini_dir);
         $php_ini_content = '';
         if($data['new']['php'] == 'mod') {
            $master_php_ini_path = $web_config['php_ini_path_apache'];