Fix some issues with database connections.

install_db_connect() function must return database resource link
insert into set syntax is mysql specific

git-svn-id: http://piwigo.org/svn/trunk@5781 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/include/functions_install.inc.php

@@ -146,7 +146,7 @@ function install_db_connect(&$infos, &$errors)
     $pwg_db_link = pwg_db_connect($_POST['dbhost'], $_POST['dbuser'], 
                                   $_POST['dbpasswd'], $_POST['dbname']);
  
-    return true;
+    return $pwg_db_link;
   }
   catch (Exception $e)
   {

include/functions.inc.php

@@ -1012,15 +1012,15 @@ function conf_update_param($param, $value)
   $query = '
 DELETE
   FROM '.CONFIG_TABLE.'
-  WHERE param = "'.$param.'"
+  WHERE param = \''.$param.'\'
 ;';
   pwg_query($query);
 
   $query = '
 INSERT
   INTO '.CONFIG_TABLE.'
-  SET param = "'.$param.'"
-    , value = "'.$value.'"
+  (param, value)
+  VALUES(\''.$param.'\', \''.$value.'\')
 ;';
   pwg_query($query);
 }

install.php

@@ -262,7 +262,7 @@ include(PHPWG_ROOT_PATH . 'admin/include/functions_upgrade.php');
 
 if ( isset( $_POST['install'] ))
 {
-  if (install_db_connect($infos, $errors))
+  if ($pwg_db_link = install_db_connect($infos, $errors))
   {
     $required_version = constant('REQUIRED_'.strtoupper($dblayer).'_VERSION');
     if ( version_compare(pwg_get_db_version(), $required_version, '>=') )