WordPress中文版v6.1.1 正式版以及优化教程

WordPress中文版是全球广泛使用的免费开源网站博客程序.WordPress最新版是一种采用PHP语言开发的博客平台,用户可以在支持PHP和MySQL数据库的服务器上架设自己的网站,也可以把WordPress当作博客到大型网站的内容管理系统(CMS).WordPress程序是免费的开源项目,在GNU通用公共许可证下授权发布.

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以上版本最低运行需求：
PHP5.6或更高版，建议PHP7.2稳定版
MySQL5.6或更高版，建议用5.6稳定版