get_theme_starter_content ( No parameters )
get_theme_starter_content: 这个函数返回一个主题的启动内容的数组。这个启动内容可以用来为一个新的网站填充样本内容。
使用核心提供的数据扩展一个主题的启动内容配置。
function get_theme_starter_content() { $theme_support = get_theme_support( 'starter-content' ); if ( is_array( $theme_support ) && ! empty( $theme_support[0] ) && is_array( $theme_support[0] ) ) { $config = $theme_support[0]; } else { $config = array(); } $core_content = array( 'widgets' => array( 'text_business_info' => array( 'text', array( 'title' => _x( 'Find Us', 'Theme starter content' ), 'text' => implode( '', array( '<strong>' . _x( 'Address', 'Theme starter content' ) . "</strong>n", _x( '123 Main Street', 'Theme starter content' ) . "n", _x( 'New York, NY 10001', 'Theme starter content' ) . "nn", '<strong>' . _x( 'Hours', 'Theme starter content' ) . "</strong>n", _x( 'Monday–Friday: 9:00AM–5:00PM', 'Theme starter content' ) . "n", _x( 'Saturday & Sunday: 11:00AM–3:00PM', 'Theme starter content' ), ) ), 'filter' => true, 'visual' => true, ), ), 'text_about' => array( 'text', array( 'title' => _x( 'About This Site', 'Theme starter content' ), 'text' => _x( 'This may be a good place to introduce yourself and your site or include some credits.', 'Theme starter content' ), 'filter' => true, 'visual' => true, ), ), 'archives' => array( 'archives', array( 'title' => _x( 'Archives', 'Theme starter content' ), ), ), 'calendar' => array( 'calendar', array( 'title' => _x( 'Calendar', 'Theme starter content' ), ), ), 'categories' => array( 'categories', array( 'title' => _x( 'Categories', 'Theme starter content' ), ), ), 'meta' => array( 'meta', array( 'title' => _x( 'Meta', 'Theme starter content' ), ), ), 'recent-comments' => array( 'recent-comments', array( 'title' => _x( 'Recent Comments', 'Theme starter content' ), ), ), 'recent-posts' => array( 'recent-posts', array( 'title' => _x( 'Recent Posts', 'Theme starter content' ), ), ), 'search' => array( 'search', array( 'title' => _x( 'Search', 'Theme starter content' ), ), ), ), 'nav_menus' => array( 'link_home' => array( 'type' => 'custom', 'title' => _x( 'Home', 'Theme starter content' ), 'url' => home_url( '/' ), ), 'page_home' => array( // Deprecated in favor of 'link_home'. 'type' => 'post_type', 'object' => 'page', 'object_id' => '{{home}}', ), 'page_about' => array( 'type' => 'post_type', 'object' => 'page', 'object_id' => '{{about}}', ), 'page_blog' => array( 'type' => 'post_type', 'object' => 'page', 'object_id' => '{{blog}}', ), 'page_news' => array( 'type' => 'post_type', 'object' => 'page', 'object_id' => '{{news}}', ), 'page_contact' => array( 'type' => 'post_type', 'object' => 'page', 'object_id' => '{{contact}}', ), 'link_email' => array( 'title' => _x( 'Email', 'Theme starter content' ), 'url' => 'mailto:wordpress@example.com', ), 'link_facebook' => array( 'title' => _x( 'Facebook', 'Theme starter content' ), 'url' => 'https://www.facebook.com/wordpress', ), 'link_foursquare' => array( 'title' => _x( 'Foursquare', 'Theme starter content' ), 'url' => 'https://foursquare.com/', ), 'link_github' => array( 'title' => _x( 'GitHub', 'Theme starter content' ), 'url' => 'https://github.com/wordpress/', ), 'link_instagram' => array( 'title' => _x( 'Instagram', 'Theme starter content' ), 'url' => 'https://www.instagram.com/explore/tags/wordcamp/', ), 'link_linkedin' => array( 'title' => _x( 'LinkedIn', 'Theme starter content' ), 'url' => 'https://www.linkedin.com/company/1089783', ), 'link_pinterest' => array( 'title' => _x( 'Pinterest', 'Theme starter content' ), 'url' => 'https://www.pinterest.com/', ), 'link_twitter' => array( 'title' => _x( 'Twitter', 'Theme starter content' ), 'url' => 'https://twitter.com/wordpress', ), 'link_yelp' => array( 'title' => _x( 'Yelp', 'Theme starter content' ), 'url' => 'https://www.yelp.com', ), 'link_youtube' => array( 'title' => _x( 'YouTube', 'Theme starter content' ), 'url' => 'https://www.youtube.com/channel/UCdof4Ju7amm1chz1gi1T2ZA', ), ), 'posts' => array( 'home' => array( 'post_type' => 'page', 'post_title' => _x( 'Home', 'Theme starter content' ), 'post_content' => sprintf( "<!-- wp:paragraph -->n<p>%s</p>n<!-- /wp:paragraph -->", _x( 'Welcome to your site! This is your homepage, which is what most visitors will see when they come to your site for the first time.', 'Theme starter content' ) ), ), 'about' => array( 'post_type' => 'page', 'post_title' => _x( 'About', 'Theme starter content' ), 'post_content' => sprintf( "<!-- wp:paragraph -->n<p>%s</p>n<!-- /wp:paragraph -->", _x( 'You might be an artist who would like to introduce yourself and your work here or maybe you’re a business with a mission to describe.', 'Theme starter content' ) ), ), 'contact' => array( 'post_type' => 'page', 'post_title' => _x( 'Contact', 'Theme starter content' ), 'post_content' => sprintf( "<!-- wp:paragraph -->n<p>%s</p>n<!-- /wp:paragraph -->", _x( 'This is a page with some basic contact information, such as an address and phone number. You might also try a plugin to add a contact form.', 'Theme starter content' ) ), ), 'blog' => array( 'post_type' => 'page', 'post_title' => _x( 'Blog', 'Theme starter content' ), ), 'news' => array( 'post_type' => 'page', 'post_title' => _x( 'News', 'Theme starter content' ), ), 'homepage-section' => array( 'post_type' => 'page', 'post_title' => _x( 'A homepage section', 'Theme starter content' ), 'post_content' => sprintf( "<!-- wp:paragraph -->n<p>%s</p>n<!-- /wp:paragraph -->", _x( 'This is an example of a homepage section. Homepage sections can be any page other than the homepage itself, including the page that shows your latest blog posts.', 'Theme starter content' ) ), ), ), ); $content = array(); foreach ( $config as $type => $args ) { switch ( $type ) { // Use options and theme_mods as-is. case 'options': case 'theme_mods': $content[ $type ] = $config[ $type ]; break; // Widgets are grouped into sidebars. case 'widgets': foreach ( $config[ $type ] as $sidebar_id => $widgets ) { foreach ( $widgets as $id => $widget ) { if ( is_array( $widget ) ) { // Item extends core content. if ( ! empty( $core_content[ $type ][ $id ] ) ) { $widget = array( $core_content[ $type ][ $id ][0], array_merge( $core_content[ $type ][ $id ][1], $widget ), ); } $content[ $type ][ $sidebar_id ][] = $widget; } elseif ( is_string( $widget ) && ! empty( $core_content[ $type ] ) && ! empty( $core_content[ $type ][ $widget ] ) ) { $content[ $type ][ $sidebar_id ][] = $core_content[ $type ][ $widget ]; } } } break; // And nav menu items are grouped into nav menus. case 'nav_menus': foreach ( $config[ $type ] as $nav_menu_location => $nav_menu ) { // Ensure nav menus get a name. if ( empty( $nav_menu['name'] ) ) { $nav_menu['name'] = $nav_menu_location; } $content[ $type ][ $nav_menu_location ]['name'] = $nav_menu['name']; foreach ( $nav_menu['items'] as $id => $nav_menu_item ) { if ( is_array( $nav_menu_item ) ) { // Item extends core content. if ( ! empty( $core_content[ $type ][ $id ] ) ) { $nav_menu_item = array_merge( $core_content[ $type ][ $id ], $nav_menu_item ); } $content[ $type ][ $nav_menu_location ]['items'][] = $nav_menu_item; } elseif ( is_string( $nav_menu_item ) && ! empty( $core_content[ $type ] ) && ! empty( $core_content[ $type ][ $nav_menu_item ] ) ) { $content[ $type ][ $nav_menu_location ]['items'][] = $core_content[ $type ][ $nav_menu_item ]; } } } break; // Attachments are posts but have special treatment. case 'attachments': foreach ( $config[ $type ] as $id => $item ) { if ( ! empty( $item['file'] ) ) { $content[ $type ][ $id ] = $item; } } break; // All that's left now are posts (besides attachments). // Not a default case for the sake of clarity and future work. case 'posts': foreach ( $config[ $type ] as $id => $item ) { if ( is_array( $item ) ) { // Item extends core content. if ( ! empty( $core_content[ $type ][ $id ] ) ) { $item = array_merge( $core_content[ $type ][ $id ], $item ); } // Enforce a subset of fields. $content[ $type ][ $id ] = wp_array_slice_assoc( $item, array( 'post_type', 'post_title', 'post_excerpt', 'post_name', 'post_content', 'menu_order', 'comment_status', 'thumbnail', 'template', ) ); } elseif ( is_string( $item ) && ! empty( $core_content[ $type ][ $item ] ) ) { $content[ $type ][ $item ] = $core_content[ $type ][ $item ]; } } break; } } /** * Filters the expanded array of starter content. * * @since 4.7.0 * * @param array $content Array of starter content. * @param array $config Array of theme-specific starter content configuration. */ return apply_filters( 'get_theme_starter_content', $content, $config ); }
要使用` get_users
`函数获取所有用户列表,可以按照以下步骤进行:
1. 使用` get_users
`函数调用获取用户列表:
$users = get_users();
2. 您可以按需使用参数来过滤结果。例如,您可以通过角色、用户ID、用户登录名等过滤用户列表。以下是一个根据用户角色为过滤条件的示例:
$users = get_users( array( 'role' => 'subscriber' // 将角色名称替换为您要过滤的角色 ) );
在上述示例中,将` role
`参数设置为所需的角色名称来过滤用户列表。
3. 您可以使用循环遍历获取的用户列表,并访问每个用户的属性。例如,以下示例将显示每个用户的用户名和电子邮件地址:
foreach( $users as $user ) { echo '用户名:' . $user->user_login . ', 电子邮件:' . $user->user_email . ; }
在上述示例中,通过` $user->user_login
`和` $user->user_email
`访问每个用户的用户名和电子邮件地址。
请注意,` get_users
`函数默认返回所有用户,并可以根据需要使用更多参数进行过滤。您可以参阅WordPress官方文档中的` get_users
`函数文档,了解更多可用参数和用法示例。
总结起来,使用` get_users
`函数获取所有用户列表的步骤是:
get_users
`函数获取用户列表。在WordPress中,可以使用WP_PLUGIN_DIR和WP_PLUGIN_URL常量来定义插件的目录路径和URL。
1. `WP_PLUGIN_DIR`:这是一个常量,用于定义插件的目录路径(文件系统路径)。您可以使用以下代码在插件文件中访问该常量:
$plugin_dir = WP_PLUGIN_DIR . '/your-plugin-folder/';
在上述代码中,将"your-plugin-folder"替换为您插件的实际文件夹名称。使用该常量,您可以获取插件文件的完整路径。
2. `WP_PLUGIN_URL`:这是一个常量,用于定义插件的URL(用于在网页上访问插件文件)。以下是一个使用该常量的示例:
$plugin_url = WP_PLUGIN_URL . '/your-plugin-folder/';
同样,请将"your-plugin-folder"替换为您插件的实际文件夹名称。使用该常量,您可以获取插件在网页上的完整URL。
请注意,`WP_PLUGIN_DIR`和`WP_PLUGIN_URL`常量在WordPress版本2.6之后引入。从WordPress 5.5版本开始,这两个常量被标记为过时(deprecated),因为WordPress更倾向于使用新的插件文件结构。如果您正在开发新插件,建议使用新的插件文件结构和相关函数。
在新的插件文件结构中,可以使用以下函数来获取插件的目录路径和URL:
- `plugin_dir_path()`:获取插件目录路径。
- `plugin_dir_url()`:获取插件URL。
这些函数会自动将插件的版本、多站点和SSL等考虑因素纳入计算。
总结起来,使用`WP_PLUGIN_DIR`和`WP_PLUGIN_URL`常量定义插件的目录和URL的方法是:
$plugin_dir = WP_PLUGIN_DIR . '/your-plugin-folder/'; $plugin_url = WP_PLUGIN_URL . '/your-plugin-folder/';
但请注意,这两个常量已被标记为过时,建议使用新的插件文件结构和相关函数来获取插件的路径和URL。
使用PHP在WordPress中添加自定义功能可以通过以下方式实现:
下面是一个实操示例。
要在WordPress中添加自定义功能,可以按照以下步骤使用PHP编写并添加自定义功能:
// 添加自定义功能示例 // 1. 创建自定义短代码 function custom_shortcode() { return '这是我的自定义短代码内容'; } add_shortcode('custom', 'custom_shortcode'); // 2. 自定义小工具 function custom_widget() { echo '这是我的自定义小工具内容'; } register_widget('custom_widget'); // 3. 自定义菜单 function custom_menu() { register_nav_menu('custom-menu', '自定义菜单'); } add_action('after_setup_theme', 'custom_menu'); // 4. 自定义页面模板 function custom_page_template() { /* Template Name: 自定义模板 */ // 自定义模板的内容和样式 }
请注意,修改主题文件可以在主题更新时丢失,因此建议在进行任何更改之前备份functions.php文件。此外,为避免不必要的错误和冲突,建议在添加自定义功能前先了解WordPress开发文档和最佳实践,以确保正确、安全地实现所需的自定义功能。
使用 do_action
函数可以触发一个钩子函数。do_action
函数的参数与要触发的钩子函数的参数相同。
例如,触发save_post钩子函数的代码如下:
do_action( 'save_post', $post_ID, $post );
这里,$post_ID
和 $post
是传递给钩子函数的参数。
使用 wp_get_current_user
获取当前登录用户的信息:
$current_user = wp_get_current_user(); // 获取当前用户的ID $user_id = $current_user->ID; // 获取当前用户的用户名 $user_login = $current_user->user_login; // 获取当前用户的邮箱 $user_email = $current_user->user_email; // 获取当前用户的显示名称 $display_name = $current_user->display_name;