PHP WP_Theme::get_core_default_theme方法代码示例

/**
 * Checks that current theme files 'index.php' and 'style.css' exists.
 *
 * Does not initially check the default theme, which is the fallback and should always exist.
 * But if it doesn't exist, it'll fall back to the latest core default theme that does exist.
 * Will switch theme to the fallback theme if current theme does not validate.
 *
 * You can use the 'validate_current_theme' filter to return false to
 * disable this functionality.
 *
 * @since 1.5.0
 * @see WP_DEFAULT_THEME
 *
 * @return bool
 */
function validate_current_theme()
{
    /**
     * Filter whether to validate the current theme.
     *
     * @since 2.7.0
     *
     * @param bool $validate Whether to validate the current theme. Default true.
     */
    if (wp_installing() || !apply_filters('validate_current_theme', true)) {
        return true;
    }
    if (!file_exists(get_template_directory() . '/index.php')) {
        // Invalid.
    } elseif (!file_exists(get_template_directory() . '/style.css')) {
        // Invalid.
    } elseif (is_child_theme() && !file_exists(get_stylesheet_directory() . '/style.css')) {
        // Invalid.
    } else {
        // Valid.
        return true;
    }
    $default = wp_get_theme(WP_DEFAULT_THEME);
    if ($default->exists()) {
        switch_theme(WP_DEFAULT_THEME);
        return false;
    }
    /**
     * If we're in an invalid state but WP_DEFAULT_THEME doesn't exist,
     * switch to the latest core default theme that's installed.
     * If it turns out that this latest core default theme is our current
     * theme, then there's nothing we can do about that, so we have to bail,
     * rather than going into an infinite loop. (This is why there are
     * checks against WP_DEFAULT_THEME above, also.) We also can't do anything
     * if it turns out there is no default theme installed. (That's `false`.)
     */
    $default = WP_Theme::get_core_default_theme();
    if (false === $default || get_stylesheet() == $default->get_stylesheet()) {
        return true;
    }
    switch_theme($default->get_stylesheet());
    return false;
}

/**
 * Populate network settings.
 *
 * @since 3.0.0
 *
 * @global wpdb       $wpdb
 * @global object     $current_site
 * @global int        $wp_db_version
 * @global WP_Rewrite $wp_rewrite
 *
 * @param int $network_id ID of network to populate.
 * @return bool|WP_Error True on success, or WP_Error on warning (with the install otherwise successful,
 *                       so the error code must be checked) or failure.
 */
function populate_network($network_id = 1, $domain = '', $email = '', $site_name = '', $path = '/', $subdomain_install = false)
{
    global $wpdb, $current_site, $wp_db_version, $wp_rewrite;
    $errors = new WP_Error();
    if ('' == $domain) {
        $errors->add('empty_domain', __('You must provide a domain name.'));
    }
    if ('' == $site_name) {
        $errors->add('empty_sitename', __('You must provide a name for your network of sites.'));
    }
    // Check for network collision.
    if ($network_id == $wpdb->get_var($wpdb->prepare("SELECT id FROM {$wpdb->site} WHERE id = %d", $network_id))) {
        $errors->add('siteid_exists', __('The network already exists.'));
    }
    if (!is_email($email)) {
        $errors->add('invalid_email', __('You must provide a valid email address.'));
    }
    if ($errors->get_error_code()) {
        return $errors;
    }
    // If a user with the provided email does not exist, default to the current user as the new network admin.
    $site_user = get_user_by('email', $email);
    if (false === $site_user) {
        $site_user = wp_get_current_user();
    }
    // Set up site tables.
    $template = get_option('template');
    $stylesheet = get_option('stylesheet');
    $allowed_themes = array($stylesheet => true);
    if ($template != $stylesheet) {
        $allowed_themes[$template] = true;
    }
    if (WP_DEFAULT_THEME != $stylesheet && WP_DEFAULT_THEME != $template) {
        $allowed_themes[WP_DEFAULT_THEME] = true;
    }
    // If WP_DEFAULT_THEME doesn't exist, also whitelist the latest core default theme.
    if (!wp_get_theme(WP_DEFAULT_THEME)->exists()) {
        if ($core_default = WP_Theme::get_core_default_theme()) {
            $allowed_themes[$core_default->get_stylesheet()] = true;
        }
    }
    if (1 == $network_id) {
        $wpdb->insert($wpdb->site, array('domain' => $domain, 'path' => $path));
        $network_id = $wpdb->insert_id;
    } else {
        $wpdb->insert($wpdb->site, array('domain' => $domain, 'path' => $path, 'id' => $network_id));
    }
    wp_cache_delete('networks_have_paths', 'site-options');
    if (!is_multisite()) {
        $site_admins = array($site_user->user_login);
        $users = get_users(array('fields' => array('ID', 'user_login')));
        if ($users) {
            foreach ($users as $user) {
                if (is_super_admin($user->ID) && !in_array($user->user_login, $site_admins)) {
                    $site_admins[] = $user->user_login;
                }
            }
        }
    } else {
        $site_admins = get_site_option('site_admins');
    }
    /* translators: Do not translate USERNAME, SITE_NAME, BLOG_URL, PASSWORD: those are placeholders. */
    $welcome_email = __('Howdy USERNAME,

Your new SITE_NAME site has been successfully set up at:
BLOG_URL

You can log in to the administrator account with the following information:

Username: USERNAME
Password: PASSWORD
Log in here: BLOG_URLwp-login.php

We hope you enjoy your new site. Thanks!

--The Team @ SITE_NAME');
    $misc_exts = array('jpg', 'jpeg', 'png', 'gif', 'mov', 'avi', 'mpg', '3gp', '3g2', 'midi', 'mid', 'pdf', 'doc', 'ppt', 'odt', 'pptx', 'docx', 'pps', 'ppsx', 'xls', 'xlsx', 'key');
    $audio_exts = wp_get_audio_extensions();
    $video_exts = wp_get_video_extensions();
    $upload_filetypes = array_unique(array_merge($misc_exts, $audio_exts, $video_exts));
    $sitemeta = array('site_name' => $site_name, 'admin_email' => $email, 'admin_user_id' => $site_user->ID, 'registration' => 'none', 'upload_filetypes' => implode(' ', $upload_filetypes), 'blog_upload_space' => 100, 'fileupload_maxk' => 1500, 'site_admins' => $site_admins, 'allowedthemes' => $allowed_themes, 'illegal_names' => array('www', 'web', 'root', 'admin', 'main', 'invite', 'administrator', 'files'), 'wpmu_upgrade_site' => $wp_db_version, 'welcome_email' => $welcome_email, 'first_post' => __('Welcome to %s. This is your first post. Edit or delete it, then start blogging!'), 'siteurl' => get_option('siteurl') . '/', 'add_new_users' => '0', 'upload_space_check_disabled' => is_multisite() ? get_site_option('upload_space_check_disabled') : '1', 'subdomain_install' => intval($subdomain_install), 'global_terms_enabled' => global_terms_enabled() ? '1' : '0', 'ms_files_rewriting' => is_multisite() ? get_site_option('ms_files_rewriting') : '0', 'initial_db_version' => get_option('initial_db_version'), 'active_sitewide_plugins' => array(), 'WPLANG' => get_locale());
    if (!$subdomain_install) {
        $sitemeta['illegal_names'][] = 'blog';
    }
    /**
     * Filter meta for a network on creation.
//.........这里部分代码省略.........

 /**
  * Make sure we update the default theme list to include the latest default theme.
  *
  * @ticket 29925
  */
 function test_default_theme_in_default_theme_list()
 {
     $latest_default_theme = WP_Theme::get_core_default_theme();
     if (!$latest_default_theme->exists() || 'twenty' !== substr($latest_default_theme->get_stylesheet(), 0, 6)) {
         $this->markTestSkipped('No Twenty* series default themes are installed');
     }
     $this->assertContains($latest_default_theme->get_stylesheet(), $this->default_themes);
 }