function ougc_pages_output_header()
{
global $cache;
$plugins = $cache->read('ougc_plugins');
if (!$plugins) {
$plugins = array();
}
$info = ougc_pages_info();
if (!isset($plugins['pages'])) {
$plugins['pages'] = $info['versioncode'];
}
if ($info['versioncode'] != $plugins['pages']) {
global $page, $ougc_pages, $lang;
$ougc_pages->lang_load();
$page->extra_messages['ougc_pages'] = array('message' => $lang->ougc_pages_error_update, 'type' => 'error');
}
}
if (!($contents = trim(file_get_contents($_FILES['local_file']['tmp_name'])))) {
$errors[] = $lang->error_uploadfailed_nocontents;
}
// Delete the temporary file if possible
unlink($_FILES['local_file']['tmp_name']);
}
} else {
// UPLOAD_ERR_NO_FILE
$errors[] = $lang->error_uploadfailed_php4;
}
if (empty($errors)) {
$xml_import = array();
$valid_version = true;
if ($xml_import = $PL->xml_import($contents)) {
if (!$mybb->get_input('ignore_version', 1)) {
$info = ougc_pages_info();
$valid_version = (double) $xml_import['versioncode'] == $info['versioncode'];
}
if (!$valid_version) {
unset($xml_import);
}
} else {
// try to get this as a "Page Manager" page
require_once MYBB_ROOT . 'inc/class_xml.php';
$xml_parser = new XMLParser($contents);
$tree = $xml_parser->get_tree();
if (!$mybb->get_input('ignore_version', 1)) {
$valid_version = (double) $tree['pagemanager']['attributes']['version'] == '1.5.2';
}
if (!$valid_version) {
unset($tree);
