5 files changed, 49 insertions, 2 deletions
diff --git a/admin/include/functions_install.inc.php b/admin/include/functions_install.inc.php
index 9e02490ca..4c2888a3c 100644
--- a/admin/include/functions_install.inc.php
+++ b/admin/include/functions_install.inc.php
@@ -143,6 +143,8 @@ function activate_core_themes()
 
 function install_db_connect(&$infos, &$errors)
 {
+  global $pwg_db_link;
+  
   try
   {
     $pwg_db_link = pwg_db_connect($_POST['dbhost'], $_POST['dbuser'], $_POST['dbpasswd'], $_POST['dbname']);
diff --git a/include/dblayer/functions_pdo-sqlite.inc.php b/include/dblayer/functions_pdo-sqlite.inc.php
index bc782074a..d59e3b510 100644
--- a/include/dblayer/functions_pdo-sqlite.inc.php
+++ b/include/dblayer/functions_pdo-sqlite.inc.php
@@ -21,7 +21,7 @@
 // | USA.                                                                  |
 // +-----------------------------------------------------------------------+
 
-define('REQUIRED_PDO-SQLITE_VERSION', '3.0.0');
+define('REQUIRED_PDO_SQLITE_VERSION', '3.0.0');
 define('DB_ENGINE', 'SQLite');
 
 define('DB_REGEX_OPERATOR', 'REGEXP');
@@ -55,6 +55,21 @@ function pwg_db_connect($host, $user, $password, $database)
   return $link;
 }
 
+function pwg_db_check_version()
+{
+  $current_version = pwg_get_db_version();
+  if (version_compare($current_version, REQUIRED_PDO_SQLITE_VERSION, '<'))
+  {
+    fatal_error(
+      sprintf(
+        'your database version is too old, you have "%s" and you need at least "%s"',
+        $current_version,
+        REQUIRED_PDO_SQLITE_VERSION
+        )
+      );
+  }
+}
+
 function pwg_db_check_charset() 
 {
   return true;
diff --git a/include/dblayer/functions_pgsql.inc.php b/include/dblayer/functions_pgsql.inc.php
index df1ce2649..5e05fb16a 100644
--- a/include/dblayer/functions_pgsql.inc.php
+++ b/include/dblayer/functions_pgsql.inc.php
@@ -60,6 +60,21 @@ function pwg_db_connect($host, $user, $password, $database)
   }
 }
 
+function pwg_db_check_version()
+{
+  $current_version = pwg_get_db_version();
+  if (version_compare($current_version, REQUIRED_PGSQL_VERSION, '<'))
+  {
+    fatal_error(
+      sprintf(
+        'your database version is too old, you have "%s" and you need at least "%s"',
+        $current_version,
+        REQUIRED_PGSQL_VERSION
+        )
+      );
+  }
+}
+
 function pwg_db_check_charset() 
 {
   return true;
diff --git a/include/dblayer/functions_sqlite.inc.php b/include/dblayer/functions_sqlite.inc.php
index 48bb5fd89..5c8f76a9c 100644
--- a/include/dblayer/functions_sqlite.inc.php
+++ b/include/dblayer/functions_sqlite.inc.php
@@ -64,6 +64,21 @@ function pwg_db_connect($host, $user, $password, $database)
   return $link;
 }
 
+function pwg_db_check_version()
+{
+  $current_version = pwg_get_db_version();
+  if (version_compare($current_version, REQUIRED_SQLITE_VERSION, '<'))
+  {
+    fatal_error(
+      sprintf(
+        'your database version is too old, you have "%s" and you need at least "%s"',
+        $current_version,
+        REQUIRED_SQLITE_VERSION
+        )
+      );
+  }
+}
+
 function pwg_db_check_charset() 
 {
   return true;
diff --git a/include/functions_user.inc.php b/include/functions_user.inc.php
index 41c97d0bb..4d755c445 100644
--- a/include/functions_user.inc.php
+++ b/include/functions_user.inc.php
@@ -298,7 +298,7 @@ SELECT ui.*, uc.*, t.name AS theme_name
     LEFT JOIN '.THEMES_TABLE.' AS t ON t.id = ui.theme
   WHERE ui.user_id = \''.$user_id.'\'';
     $result = pwg_query($query);
-    if (pwg_db_num_rows($result) > 0)
+    if ($result)
     {
       break;
     }