[DATABASE] Re-order tables to be created

Foreign keys need to be created after the respective tables are already in
place. This order makes sure this is the case.

db/core.php

@@ -1,4 +1,18 @@
 <?php
+// This file is part of GNU social - https://www.gnu.org/software/social
+//
+// GNU social is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// GNU social is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
  *
@@ -25,64 +39,67 @@
  *     double-check what we've been doing on postgres?
  */
 
-$classes = array('Schema_version',
-                 'Profile',
-                 'Avatar',
-                 'Sms_carrier',
-                 'User',
-                 'Subscription',
-                 'Group_join_queue',
-                 'Subscription_queue',
-                 'Oauth_token_association',
-                 'Notice',
-                 'Notice_location',
-                 'Notice_source',
-                 'Notice_prefs',
-                 'Reply',
-                 'Consumer',
-                 'Token',
-                 'Nonce',
-                 'Oauth_application',
-                 'Oauth_application_user',
-                 'Confirm_address',
-                 'Remember_me',
-                 'Queue_item',
-                 'Notice_tag',
-                 'Foreign_service',
-                 'Foreign_user',
-                 'Foreign_link',
-                 'Foreign_subscription',
-                 'Invitation',
-                 'Profile_prefs',
-                 'Profile_tag',
-                 'Profile_list',
-                 'Profile_tag_subscription',
-                 'Profile_block',
-                 'User_group',
-                 'Related_group',
-                 'Group_inbox',
-                 'Group_member',
-                 'File',
-                 'File_redirection',
-                 'File_thumbnail',
-                 'File_to_post',
-                 'Group_block',
-                 'Group_alias',
-                 'Session',
-                 'Config',
-                 'Profile_role',
-                 'Location_namespace',
-                 'Login_token',
-                 'User_location_prefs',
-                 'User_im_prefs',
-                 'Conversation',
-                 'Local_group',
-                 'User_urlshortener_prefs',
-                 'Old_school_prefs',
-                 'User_username',
-                 'Attention',
-);
+defined('GNUSOCIAL') || die();
+
+$classes = [
+    'Schema_version',
+    'Profile',
+    'Avatar',
+    'Sms_carrier',
+    'User',
+    'User_group',
+    'Subscription',
+    'Group_join_queue',
+    'Subscription_queue',
+    'Consumer',
+    'Oauth_application',
+    'Oauth_token_association',
+    'Conversation',
+    'Notice',
+    'Notice_location',
+    'Notice_source',
+    'Notice_prefs',
+    'Reply',
+    'Token',
+    'Nonce',
+    'Oauth_application_user',
+    'Confirm_address',
+    'Remember_me',
+    'Queue_item',
+    'Notice_tag',
+    'Foreign_service',
+    'Foreign_user',
+    'Foreign_link',
+    'Foreign_subscription',
+    'Invitation',
+    'Profile_prefs',
+    'Profile_list',
+    'Profile_tag',
+    'Profile_tag_subscription',
+    'Profile_block',
+    'Related_group',
+    'Group_inbox',
+    'Group_member',
+    'File',
+    'File_redirection',
+    'File_thumbnail',
+    'File_to_post',
+    'Group_block',
+    'Group_alias',
+    'Session',
+    'Config',
+    'Profile_role',
+    'Location_namespace',
+    'Login_token',
+    'User_location_prefs',
+    'User_im_prefs',
+    'Local_group',
+    'User_urlshortener_prefs',
+    'Old_school_prefs',
+    'User_username',
+    'Attention'
+];
 
 foreach ($classes as $cls) {
-    $schema[strtolower($cls)] = call_user_func(array($cls, 'schemaDef'));
+    $schema[strtolower($cls)] = call_user_func([$cls, 'schemaDef']);
 }