functions.inc.php:

- new function db_pgsql() to replace lots of
  "if ($CONF[database_type] == 'pgsql')) checks
- delete unused function boolconf()

several files:
- use db_pgsql() instead of checking $CONF[database_type]



git-svn-id: https://svn.code.sf.net/p/postfixadmin/code/trunk@1582 a1433add-5e2c-0410-b055-b7f2511e0802

model/AdminHandler.php

@@ -29,7 +29,7 @@ class AdminHandler extends PFAHandler {
         # NOTE: (Disabling both shouldn't be a problem.)
 
         # TODO: move to a db_group_concat() function?
-        if (Config::read('database_type') == 'pgsql') {
+        if (db_pgsql()) {
             $domains_grouped = "array_to_string(array_agg(domain), ',')";
         } else { # mysql
             $domains_grouped = 'group_concat(domain)';