WordPress-5.9.0-中文正式版发布及优化代码

WordPress新版必备优化代码：

<!--添加优化代码到主题目录functions.php文件-->  /*彻底关闭自动更新（核心程序/主题/插件/翻译自动更新*/  add_filter('automatic_updater_disabled', '__return_true');  /*关闭更新检查定时作业*/  remove_action('init', 'wp_schedule_update_checks');  /*移除已有的版本检查定时作业*/  wp_clear_scheduled_hook('wp_version_check');  /*移除已有的插件更新定时作业*/  wp_clear_scheduled_hook('wp_update_plugins');  /*移除已有的主题更新定时作业*/  wp_clear_scheduled_hook('wp_update_themes');  /*移除已有的自动更新定时作业*/  wp_clear_scheduled_hook('wp_maybe_auto_update');  /*移除后台内核更新检查*/  remove_action( 'admin_init', '_maybe_update_core' );  /*移除后台插件更新检查*/  remove_action( 'load-plugins.php', 'wp_update_plugins' );  remove_action( 'load-update.php', 'wp_update_plugins' );  remove_action( 'load-update-core.php', 'wp_update_plugins' );  remove_action( 'admin_init', '_maybe_update_plugins' );  /*移除后台主题更新检查*/  remove_action( 'load-themes.php', 'wp_update_themes' );  remove_action( 'load-update.php', 'wp_update_themes' );  remove_action( 'load-update-core.php', 'wp_update_themes' );  remove_action( 'admin_init', '_maybe_update_themes' );  /*关闭程序更新提示*/  add_filter( 'pre_site_transient_update_core', function($a){ return null; });  /*关闭插件更新提示*/  add_filter('pre_site_transient_update_plugins', function($a){return null;});  /*关闭主题更新提示*/  add_filter('pre_site_transient_update_themes', function($a){return null;});  //关闭WordPress的XML-RPC功能  add_filter('xmlrpc_enabled', '__return_false');  /* 关闭XML-RPC的pingback端口 */  add_filter( 'xmlrpc_methods', 'remove_xmlrpc_pingback_ping' );  function remove_xmlrpc_pingback_ping( $methods ) {  unset( $methods['pingback.ping'] );  return $methods;  }  //禁用 pingbacks, enclosures, trackbacks  remove_action( 'do_pings', 'do_all_pings', 10 );  //去掉 _encloseme 和 do_ping 操作  remove_action( 'publish_post','_publish_post_hook',5 );  /* 禁止加载s.w.org获取表情和头像 */  remove_action('wp_head', 'print_emoji_detection_script', 7 );  remove_action('admin_print_scripts','print_emoji_detection_script');  remove_action('wp_print_styles', 'print_emoji_styles');  remove_action('admin_print_styles', 'print_emoji_styles');  function remove_dns_prefetch( $hints, $relation_type ) {  if ( 'dns-prefetch' === $relation_type ) {  return array_diff( wp_dependencies_unique_hosts(), $hints );  }  return $hints;  }  add_filter( 'wp_resource_hints', 'remove_dns_prefetch', 10, 2 );  /* 完全禁止REST API、移除wp-json链接 */  function lerm_disable_rest_api( $access ) {   return new WP_Error(    'Stop!',    'Soooooryyyy',    array(     'status' => 403,    )   );  }  add_filter( 'rest_authentication_errors', 'lerm_disable_rest_api' );  remove_action( 'wp_head', 'rest_output_link_wp_head', 10 );  /* 禁止查询网站静态资源连接版本字符 */  function _remove_script_version ( $src ){    $parts = explode( '?', $src );    return $parts[0];  }  add_filter( 'script_loader_src', '_remove_script_version', 15, 1 );  add_filter( 'style_loader_src', '_remove_script_version', 15, 1 );  /* 移除前端网页源代码内的头部冗余代码 */  remove_action( 'wp_head', 'feed_links_extra', 3 );   remove_action( 'wp_head', 'rsd_link' );   remove_action( 'wp_head', 'wlwmanifest_link' );   remove_action( 'wp_head', 'index_rel_link' );   remove_action( 'wp_head', 'start_post_rel_link', 10, 0 );   remove_action( 'wp_head', 'wp_generator' );   /* 禁止新版文章编辑器加载前端样式 */  function wpassist_remove_block_library_css(){      wp_dequeue_style( 'wp-block-library' );  }   remove_action( 'wp_enqueue_scripts', 'wp_common_block_scripts_and_styles' );  add_action( 'wp_enqueue_scripts', 'wpassist_remove_block_library_css' );  /* 移除新版本站点健康状态面板和菜单项 */  add_action( 'admin_menu', 'remove_site_health_menu' );   function remove_site_health_menu(){  remove_submenu_page( 'tools.php','site-health.php' );   }  /* 禁用5.5版后自带的XML站点地图 */  add_filter( 'wp_sitemaps_enabled', '__return_false' );  /* 移除前后台顶部工具栏指定菜单 */  function admin_bar_item ( WP_Admin_Bar $admin_bar ) {   $admin_bar->remove_menu('wp-logo'); //移动wp的logo   $admin_bar->remove_menu('site-name'); //移动站点名称   $admin_bar->remove_menu('updates'); //移动更新提示   $admin_bar->remove_menu('comments'); //移动评论提示   /*$admin_bar->remove_menu('new-content'); //移除新建按钮  */   }  add_action( 'admin_bar_menu', 'admin_bar_item', 500 );  //移除后台仪表盘站点健康状态面板  add_action('wp_dashboard_setup', 'remove_site_health_dashboard_widget');  function remove_site_health_dashboard_widget()  {      remove_meta_box('dashboard_site_health', 'dashboard', 'normal');  }  //移除后台仪表盘菜单：站点健康状态  add_action( 'admin_menu', 'remove_site_health_menu' );   function remove_site_health_menu(){   remove_submenu_page( 'tools.php','site-health.php' );   }  //移除后台仪表盘菜单：活动、新闻  function bzg_remove_dashboard_widgets() {   global $wp_meta_boxes;   #移除 "活动"    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_activity']);   #移除 "WordPress 新闻"    unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_primary']);  }  add_action('wp_dashboard_setup', 'bzg_remove_dashboard_widgets' );  //移除后台仪表盘菜单：帮助  function bzg_remove_help() {   get_current_screen()->remove_help_tabs();  }  add_action('admin_head', 'bzg_remove_help');    //移除后台页面title标题的wordpress后缀  add_filter('admin_title', 'delAdminTitle', 10, 2);  function delAdminTitle($admin_title, $title){      return $title.' ‹ '.get_bloginfo('name');  }  //移除登陆页面title标题的wordpress后缀  add_filter('login_title', 'remove_login_title', 10, 2);  function remove_login_title($login_title, $title){   return $title.' ‹ '.get_bloginfo('name');  }  /* 彻底禁止4.4+版之后响应式图片功能及缩略图裁剪功能*/  // 禁止生成图像尺寸  function zm_customize_image_sizes( $sizes ){   unset( $sizes[ 'thumbnail' ]);   unset( $sizes[ 'medium' ]);   unset( $sizes[ 'medium_large' ] );   unset( $sizes[ 'large' ]);   unset( $sizes[ 'full' ] );   unset( $sizes['1536x1536'] );   unset( $sizes['2048x2048'] );   return $sizes;  }     add_filter( 'intermediate_image_sizes_advanced', 'zm_customize_image_sizes' );     // 禁止缩放图片尺寸  add_filter('big_image_size_threshold', '__return_false');     // 禁止生成其它图像尺寸  function shapeSpace_disable_other_image_sizes() {    // 禁止通过set_post_thumbnail_size()函数生成的图片尺寸   remove_image_size('post-thumbnail');    // 禁止添加其它图像尺寸   remove_image_size('another-size');  }  add_action('init', 'shapeSpace_disable_other_image_sizes');  //切换经典文章编辑器（v5.x开始默认古腾堡编辑器）  add_filter('use_block_editor_for_post', '__return_false');  //替换评论用户头像链接为国内镜像加速访问  add_filter('get_avatar', function ($avatar) {  return str_replace([  'www.gravatar.com/avatar/',  '0.gravatar.com/avatar/',  '1.gravatar.com/avatar/',  '2.gravatar.com/avatar/',  'secure.gravatar.com/avatar/',  'cn.gravatar.com/avatar/'  ], 'cravatar.cn/', $avatar);  });    //取消内容转义  remove_filter('the_content', 'wptexturize');  //取消摘要转义  remove_filter('the_excerpt', 'wptexturize');  //取消评论转义  remove_filter('comment_text', 'wptexturize');  //禁止转义引号字符  remove_filter('the_content', 'wptexturize');    // 禁止英文引号转义为中文引号    //文章插入图片自动移除 img 的 width、height、class 属性；  add_filter( 'post_thumbnail_html', 'fanly_remove_images_attribute', 10 );  add_filter( 'image_send_to_editor', 'fanly_remove_images_attribute', 10 );  function fanly_remove_images_attribute( $html ) {   //$html = preg_replace( '/(width|height)="d*"s/', "", $html );   $html = preg_replace( '/width="(d*)"s+height="(d*)"s+class="[^"]*"/', "", $html );   $html = preg_replace( '/  /', "", $html );   return $html;  }    // 自适应图片删除width和height  function ludou_remove_width_height_attribute($content){    preg_match_all('/<[img|IMG].*?src=['|"](.*?(?:[.gif|.jpg|.png.webp]))['|"].*?[/]?>/', $content, $images);    if(!empty($images)) {      foreach($images[0] as $index => $value){        $new_img = preg_replace('/(width|height)="d*"s/', "", $images[0][$index]);        $content = str_replace($images[0][$index], $new_img, $content);      }    }    return $content;  }    // 判断是否是移动设备浏览  if(wp_is_mobile()) {     #删除文章内容中img的width和height属性     add_filter('the_content', 'ludou_remove_width_height_attribute', 99);  }    /* 删除文章时删除图片附件 */  function delete_post_and_attachments($post_ID) {  global $wpdb;  #删除特色图片  $thumbnails = $wpdb->get_results( "SELECT * FROM $wpdb->postmeta WHERE meta_key = '_thumbnail_id' AND post_id = $post_ID" );  foreach ( $thumbnails as $thumbnail ) {  wp_delete_attachment( $thumbnail->meta_value, true );  }  #删除图片附件  $attachments = $wpdb->get_results( "SELECT * FROM $wpdb->posts WHERE post_parent = $post_ID AND post_type = 'attachment'" );  foreach ( $attachments as $attachment ) {  wp_delete_attachment( $attachment->ID, true );  }  $wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_key = '_thumbnail_id' AND post_id = $post_ID" );  }  add_action('before_delete_post', 'delete_post_and_attachments');

新版变化

News & Announcements – WordPress.org

https://wordpress.org/news/

系统要求

WordPress 5.x 最低运行需求：

PHP5.6或更高版，建议7.2稳定版

MySQL5.6或更高版，建议5.6稳定版

下载地址

WordPress 5.9 简体中文正式版 (2022/01/25)

https://cn.wordpress.org/download/releases

https://cn.wordpress.org/wordpress-5.9-zh_CN.zip

https://cn.wordpress.org/wordpress-5.9-zh_CN.tar.gz