wp_notify_moderator ( $comment_id )
wp_notify_moderator: 当有新的评论发布时,这个函数会向网站版主发送电子邮件通知。它包括关于评论的信息和文章的链接。
通知网站的版主一个新的评论正在等待批准。
function wp_notify_moderator( $comment_id ) { global $wpdb; $maybe_notify = get_option( 'moderation_notify' ); /** * Filters whether to send the site moderator email notifications, overriding the site setting. * * @since 4.4.0 * * @param bool $maybe_notify Whether to notify blog moderator. * @param int $comment_ID The id of the comment for the notification. */ $maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id ); if ( ! $maybe_notify ) { return true; } $comment = get_comment( $comment_id ); $post = get_post( $comment->comment_post_ID ); $user = get_userdata( $post->post_author ); // Send to the administration and to the post author if the author can modify the comment. $emails = array( get_option( 'admin_email' ) ); if ( $user && user_can( $user->ID, 'edit_comment', $comment_id ) && ! empty( $user->user_email ) ) { if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) { $emails[] = $user->user_email; } } $switched_locale = switch_to_locale( get_locale() ); $comment_author_domain = ''; if ( WP_Http::is_ip_address( $comment->comment_author_IP ) ) { $comment_author_domain = gethostbyaddr( $comment->comment_author_IP ); } $comments_waiting = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_approved = '0'" ); // The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). // We want to reverse this for the plain text arena of emails. $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); $comment_content = wp_specialchars_decode( $comment->comment_content ); switch ( $comment->comment_type ) { case 'trackback': /* translators: %s: Post title. */ $notify_message = sprintf( __( 'A new trackback on the post "%s" is waiting for your approval' ), $post->post_title ) . "rn"; $notify_message .= get_permalink( $comment->comment_post_ID ) . "rnrn"; /* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */ $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "rn"; /* translators: %s: Trackback/pingback/comment author URL. */ $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "rn"; $notify_message .= __( 'Trackback excerpt: ' ) . "rn" . $comment_content . "rnrn"; break; case 'pingback': /* translators: %s: Post title. */ $notify_message = sprintf( __( 'A new pingback on the post "%s" is waiting for your approval' ), $post->post_title ) . "rn"; $notify_message .= get_permalink( $comment->comment_post_ID ) . "rnrn"; /* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */ $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "rn"; /* translators: %s: Trackback/pingback/comment author URL. */ $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "rn"; $notify_message .= __( 'Pingback excerpt: ' ) . "rn" . $comment_content . "rnrn"; break; default: // Comments. /* translators: %s: Post title. */ $notify_message = sprintf( __( 'A new comment on the post "%s" is waiting for your approval' ), $post->post_title ) . "rn"; $notify_message .= get_permalink( $comment->comment_post_ID ) . "rnrn"; /* translators: 1: Comment author's name, 2: Comment author's IP address, 3: Comment author's hostname. */ $notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "rn"; /* translators: %s: Comment author email. */ $notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "rn"; /* translators: %s: Trackback/pingback/comment author URL. */ $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "rn"; if ( $comment->comment_parent ) { /* translators: Comment moderation. %s: Parent comment edit URL. */ $notify_message .= sprintf( __( 'In reply to: %s' ), admin_url( "comment.php?action=editcomment&c={$comment->comment_parent}#wpbody-content" ) ) . "rn"; } /* translators: %s: Comment text. */ $notify_message .= sprintf( __( 'Comment: %s' ), "rn" . $comment_content ) . "rnrn"; break; } /* translators: Comment moderation. %s: Comment action URL. */ $notify_message .= sprintf( __( 'Approve it: %s' ), admin_url( "comment.php?action=approve&c={$comment_id}#wpbody-content" ) ) . "rn"; if ( EMPTY_TRASH_DAYS ) { /* translators: Comment moderation. %s: Comment action URL. */ $notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment_id}#wpbody-content" ) ) . "rn"; } else { /* translators: Comment moderation. %s: Comment action URL. */ $notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment_id}#wpbody-content" ) ) . "rn"; } /* translators: Comment moderation. %s: Comment action URL. */ $notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment_id}#wpbody-content" ) ) . "rn"; $notify_message .= sprintf( /* translators: Comment moderation. %s: Number of comments awaiting approval. */ _n( 'Currently %s comment is waiting for approval. Please visit the moderation panel:', 'Currently %s comments are waiting for approval. Please visit the moderation panel:', $comments_waiting ), number_format_i18n( $comments_waiting ) ) . "rn"; $notify_message .= admin_url( 'edit-comments.php?comment_status=moderated#wpbody-content' ) . "rn"; /* translators: Comment moderation notification email subject. 1: Site title, 2: Post title. */ $subject = sprintf( __( '[%1$s] Please moderate: "%2$s"' ), $blogname, $post->post_title ); $message_headers = ''; /** * Filters the list of recipients for comment moderation emails. * * @since 3.7.0 * * @param string[] $emails List of email addresses to notify for comment moderation. * @param int $comment_id Comment ID. */ $emails = apply_filters( 'comment_moderation_recipients', $emails, $comment_id ); /** * Filters the comment moderation email text. * * @since 1.5.2 * * @param string $notify_message Text of the comment moderation email. * @param int $comment_id Comment ID. */ $notify_message = apply_filters( 'comment_moderation_text', $notify_message, $comment_id ); /** * Filters the comment moderation email subject. * * @since 1.5.2 * * @param string $subject Subject of the comment moderation email. * @param int $comment_id Comment ID. */ $subject = apply_filters( 'comment_moderation_subject', $subject, $comment_id ); /** * Filters the comment moderation email headers. * * @since 2.8.0 * * @param string $message_headers Headers for the comment moderation email. * @param int $comment_id Comment ID. */ $message_headers = apply_filters( 'comment_moderation_headers', $message_headers, $comment_id ); foreach ( $emails as $email ) { wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers ); } if ( $switched_locale ) { restore_previous_locale(); } return true; } endif; if ( ! function_exists( 'wp_password_change_notification' ) ) : /** * Notifies the blog admin of a user changing password, normally via email. * * @since 2.7.0 * * @param WP_User $user User object. */
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;