function check_merge(&$useraccount, &$mylogins, $tolink)
{
global $qa_cached_logged_in_user, $qa_logged_in_userid_checked;
$userid = $findid = $useraccount['userid'];
$findemail = $useraccount['oemail'];
// considering this is an openid user, so use the openid email
if (empty($findemail)) {
$findemail = $useraccount['email'];
// fallback
}
if ($tolink) {
// user is logged in with $userid but wants to merge $findid
$findemail = null;
$findid = $tolink['userid'];
} else {
if (qa_get('confirm') == 2 || qa_post_text('confirm') == 2) {
// bogus confirm page, stop right here
qa_redirect('logins');
}
}
// find other un-linked accounts with the same email
$otherlogins = qa_db_user_login_find_other__open($findid, $findemail, $userid);
if (qa_clicked('domerge') && !empty($otherlogins)) {
// if cancel was requested, just redirect
if ($_POST['domerge'] == 0) {
$tourl = qa_post_text('to');
if (!empty($tourl)) {
qa_redirect($tourl);
} else {
qa_redirect($tolink ? 'logins' : '');
}
}
// a request to merge (link) multiple accounts was made
require_once QA_INCLUDE_DIR . 'qa-app-users-edit.php';
$recompute = false;
$email = null;
$baseid = $_POST["base{$_POST['domerge']}"];
// POST[base1] or POST[base2]
// see which account was selected, if any
if ($baseid != 0) {
// just in case
foreach ($otherlogins as $login) {
// see if this is the currently logged in account
$loginid = $login['details']['userid'];
$is_current = $loginid == $userid;
// see if this user was selected for merge
if (isset($_POST["user_{$loginid}"]) || $is_current) {
if ($baseid != $loginid) {
// this account should be deleted as it's different from the selected base id
if (!empty($login['logins'])) {
// update all associated logins
qa_db_user_login_sync(true);
qa_db_user_login_replace_userid__open($loginid, $baseid);
qa_db_user_login_sync(false);
}
// delete old user but keep the email
qa_delete_user($loginid);
$recompute = true;
if (empty($email)) {
$email = $login['details']['email'];
}
if (empty($email)) {
$email = $login['details']['oemail'];
}
}
}
}
}
// recompute the stats, if needed
if ($recompute) {
require_once QA_INCLUDE_DIR . 'qa-db-points.php';
qa_db_userpointscount_update();
// check if the current account has been deleted
if ($userid != $baseid) {
$oldsrc = $useraccount['sessionsource'];
qa_set_logged_in_user($baseid, $useraccount['handle'], false, $oldsrc);
$useraccount = qa_db_user_find_by_id__open($baseid);
$userid = $baseid;
// clear some cached data
qa_db_flush_pending_result('loggedinuser');
$qa_logged_in_userid_checked = false;
unset($qa_cached_logged_in_user);
}
// also check the email address on the remaining user account
if (empty($useraccount['email']) && !empty($email)) {
// update the account if the email address is not used anymore
$emailusers = qa_db_user_find_by_email($email);
if (count($emailusers) == 0) {
qa_db_user_set($userid, 'email', $email);
$useraccount['email'] = $email;
// to show on the page
}
}
}
$conf = qa_post_text('confirm');
$tourl = qa_post_text('to');
if ($conf) {
$tourl = qa_post_text('to');
if (!empty($tourl)) {
qa_redirect($tourl);
} else {
qa_redirect($tolink ? 'logins' : '');
}
}
// update the arrays
$otherlogins = qa_db_user_login_find_other__open($userid, $findemail);
$mylogins = qa_db_user_login_find_mine__open($userid);
}
// remove the current user id
unset($otherlogins[$userid]);
return $otherlogins;
}
$searchmodules = qa_load_modules_with('search', 'index_page');
foreach ($searchmodules as $searchmodule) {
$searchmodule->index_page($pageid, $inslug, $inheading, $incontent, 'html', $indextext);
}
}
qa_db_page_move($pageid, substr($inposition, 0, 1), substr($inposition, 1));
$editpage = null;
$reloadpages = true;
}
}
if (qa_clicked('dosaveview') && empty($errors) && !$isexternal) {
qa_redirect($inslug);
}
}
if ($reloadpages) {
qa_db_flush_pending_result('navpages');
$pages = qa_db_select_with_pending(qa_db_pages_selectspec());
}
}
}
// Prepare content for theme
$qa_content = qa_content_prepare();
$qa_content['title'] = qa_lang_html('admin/admin_title') . ' - ' . qa_lang_html('admin/pages_title');
$qa_content['error'] = $securityexpired ? qa_lang_html('admin/form_security_expired') : qa_admin_page_error();
if (isset($editpage)) {
$positionoptions = array();
if (!$isexternal) {
$positionoptions['_' . max(1, @$editpage['position'])] = qa_lang_html('admin/no_link');
}
$navlangkey = array('B' => 'admin/before_main_menu', 'M' => 'admin/after_main_menu', 'O' => 'admin/opposite_main_menu', 'F' => 'admin/after_footer');
foreach ($navlangkey as $nav => $langkey) {
