header.php

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<?php
defined('XOOPS_ROOT_PATH') or die('Restricted access');

$xoopsPreload =& XoopsPreload::getInstance();
$xoopsPreload->triggerEvent('core.header.start');

include_once $GLOBALS['xoops']->path('class/xoopsblock.php');

$xoopsLogger =& XoopsLogger::getInstance();
$xoopsLogger->stopTime('Module init');
$xoopsLogger->startTime('XOOPS output init');

if ($xoopsConfig['theme_set'] != 'default' && file_exists(XOOPS_THEME_PATH . '/' . $xoopsConfig['theme_set'] . '/theme.php')) {
    require_once $GLOBALS['xoops']->path('include/xoops13_header.php');
} else {
    global $xoopsOption, $xoopsConfig, $xoopsModule;

    $xoopsOption['theme_use_smarty'] = 1;

    // include Smarty template engine and initialize it
    require_once $GLOBALS['xoops']->path('class/template.php');
    require_once $GLOBALS['xoops']->path('class/theme.php');
    require_once $GLOBALS['xoops']->path('class/theme_blocks.php');

    if (@$xoopsOption['template_main']) {
        if (false === strpos($xoopsOption['template_main'], ':')) {
            $xoopsOption['template_main'] = 'db:' . $xoopsOption['template_main'];
        }
    }

    $xoopsThemeFactory = null;
    $xoopsThemeFactory = new xos_opal_ThemeFactory();
    $xoopsThemeFactory->allowedThemes = $xoopsConfig['theme_set_allowed'];
    $xoopsThemeFactory->defaultTheme = $xoopsConfig['theme_set'];

    $xoTheme  =& $xoopsThemeFactory->createInstance(array('contentTemplate' => @$xoopsOption['template_main']));
    $xoopsTpl =& $xoTheme->template;

    $xoopsPreload->triggerEvent('core.header.addmeta');

    // Temporary solution for start page redirection
    if (defined("XOOPS_STARTPAGE_REDIRECTED")) {
        $params = $content = $tpl = $repeat = null;
        $xoTheme->headContent($params, "<base href='" . XOOPS_URL . '/modules/' . $xoopsConfig['startpage'] . "/' />", $tpl, $repeat);
    }

    if (@is_object($xoTheme->plugins['xos_logos_PageBuilder'])) {
        $aggreg =& $xoTheme->plugins['xos_logos_PageBuilder'];
        // Backward compatibility code for pre 2.0.14 themes
        $xoopsTpl->assign_by_ref('xoops_lblocks', $aggreg->blocks['canvas_left']);
        $xoopsTpl->assign_by_ref('xoops_rblocks', $aggreg->blocks['canvas_right']);
        $xoopsTpl->assign_by_ref('xoops_ccblocks', $aggreg->blocks['page_topcenter']);
        $xoopsTpl->assign_by_ref('xoops_clblocks', $aggreg->blocks['page_topleft']);
        $xoopsTpl->assign_by_ref('xoops_crblocks', $aggreg->blocks['page_topright']);
        $xoopsTpl->assign('xoops_showlblock', !empty($aggreg->blocks['canvas_left']));
        $xoopsTpl->assign('xoops_showrblock', !empty($aggreg->blocks['canvas_right']));
        $xoopsTpl->assign('xoops_showcblock', !empty($aggreg->blocks['page_topcenter']) || !empty($aggreg->blocks['page_topleft']) || !empty($aggreg->blocks['page_topright']));
    }

    // Sets cache time
    if (!empty($xoopsModule)) {
        $xoTheme->contentCacheLifetime = @$xoopsConfig['module_cache'][$xoopsModule->getVar('mid', 'n')];
        // Tricky solution for setting cache time for homepage
    } else if (!empty($xoopsOption['template_main']) && $xoopsOption['template_main'] == 'db:system_homepage.html') {
        $xoTheme->contentCacheLifetime = 604800;
    }

    $xoopsPreload->triggerEvent('core.header.checkcache');
    if ($xoTheme->checkCache()) {
                $xoopsPreload->triggerEvent('core.header.cacheend');
        exit();
    }

    if (!isset($xoopsOption['template_main']) && $xoopsModule) {
        // new themes using Smarty does not have old functions that are required in old modules, so include them now
        include $GLOBALS['xoops']->path('include/old_theme_functions.php');
        // need this also
        $xoopsTheme['thename'] = $xoopsConfig['theme_set'];
        ob_start();
    }

    $xoopsLogger->stopTime('XOOPS output init');
    $xoopsLogger->startTime('Module display');
}

$xoopsPreload->triggerEvent('core.header.end');
?>