WordPress常用主题功能函数

<?php//--------------------------------------------------------引入后台框架----------------------------------------------------//导入ReduxFrameWork框架
//if ( !class_exists( 'ReduxFramework' ) && file_exists( dirname( __FILE__ ) . '/admin/ReduxCore/framework.php' ) ) {
//  require_once( dirname( __FILE__ ) . '/admin/ReduxCore/framework.php' );
//}
//if ( !isset( $redux_demo ) && file_exists( dirname( __FILE__ ) . '/admin/config.php' ) ) {
//  require_once( dirname( __FILE__ ) . '/admin/config.php' );
//}//通过这段代码，对语言包进行翻译，需要将语言包的代码添加到调用主题选项代码的前面（目前不确定是加在哪里）
//load_theme_textdomain('ankium', get_template_directory() . '/languages');//引入后台框架CodeStarFramework
require_once dirname( __FILE__ ) .'/codestar/cs-framework.php';//---------------------------------------------------------后台订制------------------------------------------------------/** 移除Wordpress后台顶部左上角的W图标*/
add_action('wp_before_admin_bar_render', 'annointed_admin_bar_remove', 0);
function annointed_admin_bar_remove() {global $wp_admin_bar;/* Remove their stuff */$wp_admin_bar->remove_menu('wp-logo');
}/** 自定义后台登录Logo的Url*/
add_filter( 'login_headerurl', 'custom_loginlogo_url' );
function custom_loginlogo_url($url) {return 'http://www.ankium.com';
}/** 自定义 WordPress 后台底部的版权和版本信息*/
add_filter('admin_footer_text', 'left_admin_footer_text');
function left_admin_footer_text($text) {// 左边信息$text = '大道行思，开拓创新；大道至简，务实为要';return $text;
}
add_filter('update_footer', 'right_admin_footer_text', 11);
function right_admin_footer_text($text) {// 右边信息$text = "延安安琪云信息科技有限公司";return $text;
}/** 屏蔽 WP 后台“显示选项”和“帮助”选项卡*/
//add_filter('screen_options_show_screen', 'remove_screen_options');
//add_filter( 'contextual_help', 'remove_wp_help', 999, 3 );
function remove_screen_options(){ return false;}
function remove_wp_help($old_help, $screen_id, $screen){$screen->remove_help_tabs();return $old_help;
}/** 固定后台管理侧边栏*/
add_action('admin_head', 'Bing_fixed_adminmenuwrap');
function Bing_fixed_adminmenuwrap(){echo '<style type="text/css">#adminmenuwrap{position:fixed;left:0px;z-index:2;}</style>';
};/** 阻止站内文章互相Pingback*/
add_action('pre_ping','Bing_noself_ping');
function Bing_noself_ping($links) {$home = get_option( 'home' );foreach ( $links as $l => $link )if ( 0 === strpos( $link, $home ) )unset($links[$l]);
}/** 增强默认编辑器（mce_buttons:工具栏的第一行；mce_buttons_2:工具栏第二行；mce_buttons_3:工具栏第三行）*/
add_filter("mce_buttons", "Bing_editor_buttons");
function Bing_editor_buttons($buttons){//$buttons[] = 'wp_adv';        //隐藏按钮显示开关$buttons[] = 'wp_adv_start';    //隐藏按钮区起始部分$buttons[] = 'wp_adv_end';      //隐藏按钮区结束部分//$buttons[] = 'bold';          //加粗//$buttons[] = 'italic';        //斜体$buttons[] = 'underline';       //下划线$buttons[] = 'strikethrough';   //删除线$buttons[] = 'justifyleft';     //左对齐$buttons[] = 'justifycenter';   //居中$buttons[] = 'justfyright';     //右对齐$buttons[] = 'justfyfull';      //两端对齐//$buttons[] = 'bullist';       //无序列表//$buttons[] = 'numlist';       //编号列表$buttons[] = 'outdent';         //减少缩进$buttons[] = 'indent';          //缩进$buttons[] = 'cut';             //剪切$buttons[] = 'copy';            //复制$buttons[] = 'paste';           //粘贴$buttons[] = 'undo';            //撤销$buttons[] = 'redo';            //重做//$buttons[] = 'link';          //插入超链接$buttons[] = 'unlink';          //取消超链接$buttons[] = 'image';           //插入图片$buttons[] = 'removeformat';    //清除格式$buttons[] = 'code';            //打开HTML代码编辑器$buttons[] = 'hr';              //水平线$buttons[] = 'cleanup';         //清除冗余代码$buttons[] = 'formmatselect';   //格式选择$buttons[] = 'fontselect';      //字体选择$buttons[] = 'fontsizeselect';  //字号选择$buttons[] = 'styleselect';     //样式选择$buttons[] = 'sub';             //上标$buttons[] = 'sup';             //下标$buttons[] = 'forecolor';       //字体颜色$buttons[] = 'backcolor';       //字体背景色$buttons[] = 'charmap';         //特殊符号$buttons[] = 'anchor';          //锚文本$buttons[] = 'newdocument';     //新建文本//$buttons[] = 'wp_more';       //插入more标签$buttons[] = 'wp_page';         //插入分页标签$buttons[] = 'spellchecker';    //拼写检查$buttons[] = 'wp_help';         //帮助//$buttons[] = 'selectall';       //全选//$buttons[] = 'visualaid';       //显示/隐藏指导线和不可见元素$buttons[] = 'spellchecker';    //切换拼写检查器状态$buttons[] = 'pastetext';       //以纯文本粘贴$buttons[] = 'pasteword';       //从Word中粘贴//$buttons[] = 'blockquote';      //引用$buttons[] = 'forecolorpicker'; //选择文字颜色（拾色器）$buttons[] = 'backcolorpicker'; //选择背景颜色（拾色器）$buttons[] = 'spellchecker';    //切换拼写检查器状态return $buttons;
}/** TinyMCE编辑器增强：增加中文字体*/
add_filter('tiny_mce_before_init', 'custum_fontfamily');
function custum_fontfamily($initArray){$initArray['font_formats'] = "微软雅黑='微软雅黑';宋体='宋体';黑体='黑体';仿宋='仿宋';楷体='楷体';隶书='隶书';幼圆='幼圆';Andale Mono=andale mono,times;Arial=arial,helvetica,sans-serif;Arial Black=arial black,avant garde;Book Antiqua=book antiqua,palatino;Comic Sans MS=comic sans ms,sans-serif;Courier New=courier new,courier;Georgia=georgia,palatino;Helvetica=helvetica;Impact=impact,chicago;Symbol=symbol;Tahoma=tahoma,arial,helvetica,sans-serif;Terminal=terminal,monaco;Times New Roman=times new roman,times;Trebuchet MS=trebuchet ms,geneva;Verdana=verdana,geneva;Webdings=webdings;Wingdings=wingdings";return $initArray;
}/** 更改编辑器默认视图为HTML*/
//add_filter('wp_default_editor', create_function('', 'return "html";'));/** 在 WordPress 编辑器中为自定义文章类型设置默认内容*/
add_filter( 'default_content', 'my_editor_content', 10, 2 );
function my_editor_content( $content, $post ) {switch( $post->post_type ) {case 'sources':$content = 'your content';break;case 'stories':$content = 'your content';break;case 'pictures':$content = 'your content';break;default:$content = 'your default content';break;}return $content;
}/** 添加编辑器默认内容（此方法添加的内容在发布文章时自动添加在内容的最后，在编辑的时候是看不见的）*/
add_filter ('the_content', 'insertFootNote');
function insertFootNote($content) {if(!is_feed() && !is_home()) {$content.= "这里的预定义内容在编辑器不可见";}return $content;
}/** 为编辑器添加更多的HTML标签*/
add_filter('tiny_mce_before_init', 'fb_change_mce_options');
function fb_change_mce_options($initArray) {$ext = 'pre[id|name|class|style],iframe[align|longdesc|name|width|height|frameborder|scrolling|marginheight|marginwidth|src]';  //注意：格式为“标签一[属性一|属性二],标签二[属性一|属性二|属性三]”if ( isset( $initArray['extended_valid_elements'] ) ) {$initArray['extended_valid_elements'] .= ',' . $ext;} else {$initArray['extended_valid_elements'] = $ext;}return $initArray;
}/** 让编辑器支持中文拼写检查*/
add_filter('tiny_mce_before_init', 'fb_mce_external_languages');
function fb_mce_external_languages($initArray){$initArray['spellchecker_languages'] = '+Chinese=zh,English=en';return $initArray;
}/** 更改后台字体*/
add_action('admin_head', 'Bing_admin_lettering');
function Bing_admin_lettering(){//echo '<style type="text/css">*{font-family:"Microsoft YaHei" !important;}</style>';//修改字体
}/** WordPress 后台回复评论添加提交快捷键[Ctrl+Enter]*/
add_action('admin_footer', 'Bing_admin_comment_ctrlenter');
function Bing_admin_comment_ctrlenter(){echo '<script type="text/javascript">jQuery(document).ready(function($){$("textarea").keypress(function(e){if(e.ctrlKey&&e.which==13||e.which==10){$("#replybtn").click();}});});</script>';
};/** WordPress 让后台用户列表可以根据文章数进行排序*/
if ( ! class_exists('Sort_Users_By_Post_Count') ) {class Sort_Users_By_Post_Count {function Sort_Users_By_Post_Count() {// Make user table sortable by post countadd_filter( 'manage_users_sortable_columns', array( $this, 'add_custom_user_sorts' ) );}/* Add sorting by post count to user page */function add_custom_user_sorts( $columns ) {$columns['posts'] = 'post_count';return $columns;}}$Sort_Users_By_Post_Count = new Sort_Users_By_Post_Count();
}/** WordPress 4.3+ 默认开启页面的评论功能*/
add_filter( 'get_default_comment_status', 'wp33516_open_comments_for_pages', 10, 3 );
function wp33516_open_comments_for_pages( $status, $post_type, $comment_type ) {if ( 'page' === $post_type ) {$status = 'open';}return $status;
}/** 将WordPress后台的open-sans字体加载源从Google Fonts换为360 CDN*/
add_action( 'init', 'wpdx_replace_open_sans' );
function wpdx_replace_open_sans() {wp_deregister_style('open-sans');wp_register_style( 'open-sans', '//fonts.useso.com/css?family=Open+Sans:300italic,400italic,600italic,300,400,600' );if(is_admin()) wp_enqueue_style( 'open-sans');
}/** WordPress 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 WordPress 的 JSON REST API*/
add_filter('json_enabled', '__return_false');
add_filter('json_jsonp_enabled', '__return_false');/** 禁止WordPress压缩JGP图片质量*/
add_filter( 'jpg_quality', 'high_jpg_quality' );
function high_jpg_quality() {return 100;
}/** WordPress 隐藏特定插件的更新提示*/
//add_filter( 'site_transient_update_plugins', 'filter_plugin_updates' );
function filter_plugin_updates( $value ) {unset( $value->response['plugin-directory/plugin-file.php'] );return $value;
}/** 隐藏核心更新提示 WP 3.0+*/
//add_filter( 'pre_site_transient_update_core', create_function( '$a', "return null;" ) );/** 隐藏插件更新提示 WP 3.0+*/
//remove_action( 'load-update-core.php', 'wp_update_plugins' );
//add_filter( 'pre_site_transient_update_plugins', create_function( '$b', "return null;" ) );/** 隐藏主题更新提示 WP 3.0+*/
//remove_action( 'load-update-core.php', 'wp_update_themes' );
//add_filter( 'pre_site_transient_update_themes', create_function( '$c', "return null;" ) );/** 为新用户预设默认的后台配色方案*/
add_action('user_register', 'set_default_admin_color');
function set_default_admin_color($user_id) {$args = array('ID' => $user_id,'admin_color' => 'sunrise');wp_update_user( $args );
}/** 对非管理员移除配色方案设置选项*/
if ( !current_user_can('manage_options') ){remove_action( 'admin_color_scheme_picker', 'admin_color_scheme_picker' );
}/** 移除 WordPress 仪表盘欢迎面板*/
//remove_action('welcome_panel', 'wp_welcome_panel');/** 自定义 WordPress 仪表盘欢迎面板*/
//add_action( 'welcome_panel', 'rc_my_welcome_panel' );
function rc_my_welcome_panel() {?><script type="text/javascript">/* 隐藏默认的欢迎信息 */jQuery(document).ready( function($){$('div.welcome-panel-content').hide();});</script><!-- 添加自定义信息 --><div class="custom-welcome-panel-content"><h2><?php _e( '欢迎使用WordPress！' ); ?></h2><p class="about-description"><?php _e( '我们准备了几个链接供您开始：' ); ?></p><div class="welcome-panel-column-container"><div class="welcome-panel-column"><h3 style="font-weight: bold"><?php _e( "开始使用" ); ?></h3><a class="button button-primary button-hero load-customize hide-if-no-customize" href="http://www.ankium.com"><?php _e( '联系我们' ); ?></a><p class="hide-if-no-customize"><?php printf( __( '或者 <a href="%s">设置网站</a>' ), admin_url( 'options-general.php' ) ); ?></p></div><div class="welcome-panel-column"><h4><?php _e( 'Next Steps' ); ?></h4><ul><?php if ( 'page' == get_option( 'show_on_front' ) && ! get_option( 'page_for_posts' ) ) : ?><li><?php printf( '<a href="%s" class="welcome-icon welcome-edit-page">' . __( 'Edit your front page' ) . '</a>', get_edit_post_link( get_option( 'page_on_front' ) ) ); ?></li><li><?php printf( '<a href="%s" class="welcome-icon welcome-add-page">' . __( 'Add additional pages' ) . '</a>', admin_url( 'post-new.php?post_type=page' ) ); ?></li><?php elseif ( 'page' == get_option( 'show_on_front' ) ) : ?><li><?php printf( '<a href="%s" class="welcome-icon welcome-edit-page">' . __( 'Edit your front page' ) . '</a>', get_edit_post_link( get_option( 'page_on_front' ) ) ); ?></li><li><?php printf( '<a href="%s" class="welcome-icon welcome-add-page">' . __( 'Add additional pages' ) . '</a>', admin_url( 'post-new.php?post_type=page' ) ); ?></li><li><?php printf( '<a href="%s" class="welcome-icon welcome-write-blog">' . __( 'Add a blog post' ) . '</a>', admin_url( 'post-new.php' ) ); ?></li><?php else : ?><li><?php printf( '<a href="%s" class="welcome-icon welcome-write-blog">' . __( 'Write your first blog post' ) . '</a>', admin_url( 'post-new.php' ) ); ?></li><li><?php printf( '<a href="%s" class="welcome-icon welcome-add-page">' . __( 'Add an About page' ) . '</a>', admin_url( 'post-new.php?post_type=page' ) ); ?></li><?php endif; ?><li><?php printf( '<a href="%s" class="welcome-icon welcome-view-site">' . __( 'View your site' ) . '</a>', home_url( '/' ) ); ?></li></ul></div><div class="welcome-panel-column welcome-panel-last"><h4><?php _e( 'More Actions' ); ?></h4><ul><li><?php printf( '<div class="welcome-icon welcome-widgets-menus">' . __( 'Manage <a href="%1$s">widgets</a> or <a href="%2$s">menus</a>' ) . '</div>', admin_url( 'widgets.php' ), admin_url( 'nav-menus.php' ) ); ?></li><li><?php printf( '<a href="%s" class="welcome-icon welcome-comments">' . __( 'Turn comments on or off' ) . '</a>', admin_url( 'options-discussion.php' ) ); ?></li><li><?php printf( '<a href="%s" class="welcome-icon welcome-learn-more">' . __( 'Learn more about getting started' ) . '</a>', __( 'http://codex.wordpress.org/First_Steps_With_WordPress' ) ); ?></li></ul></div></div><div class=""><h3><?php _e( '关于我们' ); ?></h3><!--<p class="about-description">延安安琪云信息科技有限公司</p>--><p>延安安琪云信息科技有限公司成立于2017年10月23日，是陕北地区新兴的互联网综合服务提供商。公司业务涉及网络工程、软件设计、电子商务、电子政务、数据维护及品牌网站定制开发。我们的目标是成为广大客户值得信赖的互联网综合解决方案提供商！</p></div></div><?php
}/** WordPress 限制非管理员用户上传图片的最小宽度和高度*/
add_action( 'admin_init', 'block_authors_from_uploading_small_images' );
function block_authors_from_uploading_small_images(){//除管理员以外，其他用户都限制if( !current_user_can( 'manage_options') )add_filter( 'wp_handle_upload_prefilter', 'block_small_images_upload' );
}
function block_small_images_upload( $file ){// 检测文件的类型是否是图片$mimes = array( 'image/jpeg', 'image/png', 'image/gif' );// 如果不是图片，直接返回文件if( !in_array( $file['type'], $mimes ) )return $file;$img = getimagesize( $file['tmp_name'] );// 设置最小宽度和高度$minimum = array( 'width' => 640, 'height' => 480 );if ( $img[0] < $minimum['width'] )$file['error'] ='图片太小了，最小宽度是 '. $minimum['width']. 'px，当前上传的图片宽度是 '. $img[0] . 'px';elseif ( $img[1] < $minimum['height'] )$file['error'] ='图片太小了，最小高度是 '. $minimum['height']. 'px，当前上传的图片高度是 '. $img[1] . 'px';return $file;
}/** WordPress 后台用户列表显示注册时间*/
add_filter( 'manage_users_columns', array('RRHE','registerdate'));
add_action( 'manage_users_custom_column',  array('RRHE','registerdate_columns'), 15, 3);
add_filter( 'manage_users_sortable_columns', array('RRHE','registerdate_column_sortable') );
add_filter( 'request', array('RRHE','registerdate_column_orderby') );
class RRHE {// Register the column - Registeredpublic static function registerdate($columns) {$columns['registerdate'] = __('注册时间', 'registerdate');return $columns;}// Display the column contentpublic static function registerdate_columns( $value, $column_name, $user_id ) {if ( 'registerdate' != $column_name )return $value;$user = get_userdata( $user_id );$registerdate = get_date_from_gmt($user->user_registered);return $registerdate;}public static function registerdate_column_sortable($columns) {$custom = array(// meta column id => sortby value used in query'registerdate'    => 'registered',);return wp_parse_args($custom, $columns);}public static function registerdate_column_orderby( $vars ) {if ( isset( $vars['orderby'] ) && 'registerdate' == $vars['orderby'] ) {$vars = array_merge( $vars, array('meta_key' => 'registerdate','orderby' => 'meta_value') );}return $vars;}}/** 在WordPress插件管理界面隐藏已启用的插件（包括管理员）*/
//add_filter( 'all_plugins', 'hide_plugins');
function hide_plugins($plugins)
{// 隐藏 你好，多莉 插件if(is_plugin_active('hello.php')) {unset( $plugins['hello.php'] );}// 隐藏 post series插件if(is_plugin_active('ankium/ankium.php')) {unset( $plugins['ankium/ankium.php'] );}return $plugins;
}/** 在WordPress插件管理界面隐藏已启用的插件（除指定用户）*/
add_filter('all_plugins', 'filter_visible_plugins');
function filter_visible_plugins($plugins) {//添加插件的相对于 /wp-content/plugins/ 的路径$pluginsToHide = array('hello.php','ankium/ankium.php');//在这个例子中，我们对所有用户隐藏插件，除了用户 smith$currentUser = wp_get_current_user();$shouldHide = $currentUser->get('user_login') != 'ankium';if ( $shouldHide ) {foreach($pluginsToHide as $pluginFile) {unset($plugins[$pluginFile]);}}return $plugins;
}/** WordPress 移除插件列表所有已启用插件的“编辑”和“停用”链接*/
//add_filter( 'plugin_action_links', 'remove_all_plugin_actions', 10, 4 );
function remove_all_plugin_actions( $actions, $plugin_file, $plugin_data, $context )
{// 移除所有“编辑”链接if ( isset( $actions['edit'] ) ){unset( $actions['edit'] );}// 移除插件的“停用”链接if( isset( $actions['deactivate'] ) ){unset( $actions['deactivate'] );}return $actions;
}/** WordPress 移除插件列表已启用特定插件的“编辑”和“停用”链接*/
//add_filter( 'plugin_action_links', 'remove_plugin_actions', 10, 4 );
function remove_plugin_actions( $actions, $plugin_file, $plugin_data, $context )
{// 移除所有“编辑”链接if ( isset( $actions['edit'] ) ){unset( $actions['edit'] );}// 移除插件的“停用”链接if( isset( $actions['deactivate'] ) ){switch($plugin_file){// 添加插件的主文件目录case 'hello.php': // 注意结尾是英文冒号unset( $actions['deactivate'] );break;}}return $actions;
}/** WordPress 禁用自定义文章类型的可视化编辑器*/
//add_filter( 'user_can_richedit', 'disable_wysiwyg_editor_for_cpt' );
function disable_wysiwyg_editor_for_cpt( $default ) {global $post;if ( get_post_type( $post ) == 'question') // 请修改 question 为你的文章类型return false;return $default;
}/** WordPress 仪表盘显示待审核的文章列表*/
add_action('wp_dashboard_setup', 'wpjam_modify_dashboard_widgets' );
function wpjam_modify_dashboard_widgets() {global $wp_meta_boxes;if(current_user_can('manage_options')){ //只有管理员才能看到add_meta_box( 'pending_posts_dashboard_widget', '待审文章', 'pending_posts_dashboard_widget_function','dashboard', 'normal', 'core' );}
}
function pending_posts_dashboard_widget_function() {global $wpdb;$pending_posts = $wpdb->get_results("SELECT * FROM {$wpdb->posts}  WHERE post_status = 'pending' ORDER BY post_modified DESC");if($pending_posts){ //判断是否有待审文章echo '<ul>';foreach ($pending_posts as $pending_post){echo '<li><a href="'.admin_url().'post.php?post='.$pending_post->ID.'&action=edit">'.$pending_post->post_title.'</a></li>';}echo '</ul>';}else echo '目前没有待审文章';
}/** WordPress 仪表盘“近期评论”显示完整评论内容和格式*/
//add_filter('comment_excerpt', 'full_comments_on_dashboard');
function full_comments_on_dashboard($excerpt) {global $comment;if ( !is_admin() )return $excerpt;$content = wpautop($comment->comment_content);$content = substr($content, 3, -5);    // 移除第一个 <p> 和最后一个 </p>$content = str_replace('<p>', '<p style="display:block; margin:1em 0">', $content);return $content;
}/** WordPress 后台文章列表根据文章状态添加不同背景色*/
add_action('admin_footer','posts_status_color');
function posts_status_color(){?><style>.status-draft{background: #FCE3F2 !important;/*草稿*/}.status-pending{background: #87C5D6 !important;/*待审核*/}.status-publish{/* 已发布，使用默认背景色，你也可以自己添加颜色 */}.status-future{background: #C6EBF5 !important;/*定时发布*/}.status-private{background:#F2D46F;/*私密日志*/}.post-password-required{background:#D874DE;/*密码保护*/}</style><?php
}/** 更改标题输入框提示文字*/
add_filter( 'enter_title_here', 'change_default_title' );
function change_default_title( $title ){$screen = get_current_screen();if( 'post' == $screen->post_type ) {$title = '输入文章标题';} elseif ('page' == $screen->post_type) {$title = '输入页面标题';} elseif ('book' == $screen->post_type) {$title = '输入书籍标题';}return $title;
}/** 让WordPress记住不同主题下所选择的的页面模板*/
add_action( "updated_post_meta", "rmt_update_post_template_meta", 10, 4 );
add_action( "added_post_meta", "rmt_update_post_template_meta", 10, 4 );
function rmt_update_post_template_meta( $meta_id, $post_id, $meta_key, $meta_value ){if( '_wp_page_template' === $meta_key ){$theme = wp_get_theme();$name = $theme->template;if( $name ){update_post_meta( $post_id, '_wp_page_template_' . $name, $meta_value );}}}
add_filter( 'get_post_metadata', 'rmt_get_post_template_meta', 10, 4 );
function rmt_get_post_template_meta( $value, $post_id, $meta_key, $single ){if( '_wp_page_template' === $meta_key ){$theme = wp_get_theme();$name = $theme->template;if( $name ){$template = get_post_meta( $post_id, '_wp_page_template_' . $name, $single );if( $template  && locate_template( $template ) ){$value = $template;}}}return $value;
}/** 在媒体库显示文件尺寸*/
//add_filter('manage_upload_columns', 'size_column_register');
function size_column_register($columns) {$columns['dimensions'] = __('Dimensions');return $columns;
}
//add_action('manage_media_custom_column', 'size_column_display', 10, 2);
function size_column_display($column_name, $post_id) {if( 'dimensions' != $column_name || !wp_attachment_is_image($post_id))return;list($url, $width, $height) = wp_get_attachment_image_src($post_id, 'full');echo esc_html("{$width}×{$height}");
}/** 在媒体编辑页面显示文件大小*/
//add_action( 'attachment_submitbox_misc_actions', 'mc_attachment_submitbox_filesize' );
function mc_attachment_submitbox_filesize() {$post = get_post();$filesize = @filesize( get_attached_file( $post->ID ) );if ( ! empty( $filesize ) && is_numeric( $filesize ) && $filesize > 0 ) : ?><div class="misc-pub-section"><?php _e( '文件大小:' ); ?> <strong><?php echo size_format( $filesize ); ?></strong></div><?phpendif;
}/** 让WordPress后台用户列表可以搜索名字、姓氏和公开显示名*/
if (is_admin()) {//让函数只应用于WordPress后台//通过钩子挂载函数add_action('pre_user_query', 'wpdaxue_pre_user_query');
}
function wpdaxue_pre_user_query($user_search) {global $wpdb;$vars = $user_search->query_vars;if (!is_null($vars['search'])) {// 出于某种原因，搜索词被星号包括，删除它们$search = preg_replace('/^\*/', '', $vars['search']);$search = preg_replace('/\*$/', '', $search);//搜索公开显示名if(!empty($search)){$user_search->query_where = substr(trim($user_search->query_where), 0, -1) . " OR display_name LIKE '%". $search . "%')";}//搜索名字和姓氏$user_search->query_from .= " INNER JOIN {$wpdb->usermeta} m1 ON " ."{$wpdb->users}.ID=m1.user_id AND (m1.meta_key='first_name')";$user_search->query_from .= " INNER JOIN {$wpdb->usermeta} m2 ON " ."{$wpdb->users}.ID=m2.user_id AND (m2.meta_key='last_name')";$names_where = $wpdb->prepare("m1.meta_value LIKE '%s' OR m2.meta_value LIKE '%s'", "%{$search}%", "%$search%");$user_search->query_where = str_replace('WHERE 1=1 AND (', "WHERE 1=1 AND ({$names_where} OR ", $user_search->query_where);}return $user_search;
}/** 为WordPress后台的文章、分类等显示ID*/
add_action('admin_init', 'ssid_add');
// 添加一个新的列 ID
function ssid_column($cols) {$cols['ssid'] = 'ID';return $cols;
}
// 显示 ID
function ssid_value($column_name, $id) {if ($column_name == 'ssid')echo $id;
}
function ssid_return_value($value, $column_name, $id) {if ($column_name == 'ssid')$value = $id;return $value;
}
// 为 ID 这列添加css
function ssid_css() {?><style type="text/css">#ssid { width: 50px; }/* Simply Show IDs */</style><?php
}
// 通过动作/过滤器输出各种表格和CSS
function ssid_add() {add_action('admin_head', 'ssid_css');add_filter('manage_posts_columns', 'ssid_column');add_action('manage_posts_custom_column', 'ssid_value', 10, 2);add_filter('manage_pages_columns', 'ssid_column');add_action('manage_pages_custom_column', 'ssid_value', 10, 2);add_filter('manage_media_columns', 'ssid_column');add_action('manage_media_custom_column', 'ssid_value', 10, 2);add_filter('manage_link-manager_columns', 'ssid_column');add_action('manage_link_custom_column', 'ssid_value', 10, 2);add_action('manage_edit-link-categories_columns', 'ssid_column');add_filter('manage_link_categories_custom_column', 'ssid_return_value', 10, 3);foreach ( get_taxonomies() as $taxonomy ) {add_action("manage_edit-${taxonomy}_columns", 'ssid_column');add_filter("manage_${taxonomy}_custom_column", 'ssid_return_value', 10, 3);}add_action('manage_users_columns', 'ssid_column');add_filter('manage_users_custom_column', 'ssid_return_value', 10, 3);add_action('manage_edit-comments_columns', 'ssid_column');add_action('manage_comments_custom_column', 'ssid_value', 10, 2);
}/** 为WordPress页面添加标签和分类*/class PTCFP{function __construct(){add_action( 'init', array( $this, 'taxonomies_for_pages' ) );//确保这些查询修改不会作用于管理后台，防止文章和页面混杂if ( ! is_admin() ) {add_action( 'pre_get_posts', array( $this, 'category_archives' ) );add_action( 'pre_get_posts', array( $this, 'tags_archives' ) );}}//为“页面”添加“标签”和“分类”function taxonomies_for_pages() {register_taxonomy_for_object_type( 'post_tag', 'page' );register_taxonomy_for_object_type( 'category', 'page' );}//在标签存档中包含“页面”function tags_archives( $wp_query ) {if ( $wp_query->get( 'tag' ) )$wp_query->set( 'post_type', 'any' );}//在分类存档中包含“页面”function category_archives( $wp_query ) {if ( $wp_query->get( 'category_name' ) || $wp_query->get( 'cat' ) )$wp_query->set( 'post_type', 'any' );}}$ptcfp = new PTCFP();/** 限制文章标题输入字数*/
//add_action( 'admin_head-post.php', 'title_count_js');
//add_action( 'admin_head-post-new.php', 'title_count_js');
function title_count_js(){echo '<script>jQuery(document).ready(function(){jQuery("#titlewrap").after("<div><small>标题字数: </small><input type=\"text\" value=\"0\" maxlength=\"3\" size=\"3\" id=\"title_counter\" readonly=\"\" style=\"background:#fff;\"> <small>最大长度不得超过 46 个字</small></div>");jQuery("#title_counter").val(jQuery("#title").val().length);jQuery("#title").keyup( function() {jQuery("#title_counter").val(jQuery("#title").val().length);});jQuery("#titlewrap #title").keyup( function() {var $this = jQuery(this);if($this.val().length > 46)$this.val($this.val().substr(0, 46));});
});</script>';
}/** 自定义排序WordPress后台管理菜单*/
//add_filter('custom_menu_order', 'custom_menu_order');
//add_filter('menu_order', 'custom_menu_order');
function custom_menu_order($menu_ord) {if (!$menu_ord) return true;return array('index.php', // “仪表盘”菜单'edit.php?post_type=question', // 自定义文章类型的菜单'edit-comments.php', //“评论”菜单'upload.php', //“多媒体”菜单'edit.php?post_type=cmp_slider', //自定义文章类型的菜单'plugins.php', //“插件”菜单'themes.php', //“主题”菜单'edit.php?post_type=page', // “页面”菜单'edit.php', // “文章”菜单);
}/** 在WordPress仪表盘“概况”显示自定义文章类型数据*/
add_action( 'right_now_content_table_end' , 'wph_right_now_content_table_end' );
function wph_right_now_content_table_end() {$args = array('public' => true ,'_builtin' => false);$output = 'object';$operator = 'and';$post_types = get_post_types( $args , $output , $operator );foreach( $post_types as $post_type ) {$num_posts = wp_count_posts( $post_type->name );$num = number_format_i18n( $num_posts->publish );$text = _n( $post_type->labels->singular_name, $post_type->labels->name , intval( $num_posts->publish ) );if ( current_user_can( 'edit_posts' ) ) {$num = "<a href='edit.php?post_type=$post_type->name'>$num</a>";$text = "<a href='edit.php?post_type=$post_type->name'>$text</a>";}echo '<tr><td class="first num b b-' . $post_type->name . '">' . $num . '</td>';echo '<td class="text t ' . $post_type->name . '">' . $text . '</td></tr>';}$taxonomies = get_taxonomies( $args , $output , $operator );foreach( $taxonomies as $taxonomy ) {$num_terms  = wp_count_terms( $taxonomy->name );$num = number_format_i18n( $num_terms );$text = _n( $taxonomy->labels->singular_name, $taxonomy->labels->name , intval( $num_terms ));if ( current_user_can( 'manage_categories' ) ) {$num = "<a href='edit-tags.php?taxonomy=$taxonomy->name'>$num</a>";$text = "<a href='edit-tags.php?taxonomy=$taxonomy->name'>$text</a>";}echo '<tr><td class="first b b-' . $taxonomy->name . '">' . $num . '</td>';echo '<td class="t ' . $taxonomy->name . '">' . $text . '</td></tr>';}
}/** 仪表盘[活动]小工具输出自定义文章类型*/
if ( is_admin() ) {add_filter( 'dashboard_recent_posts_query_args', 'wpdx_add_cpt_to_dashboard_activity' );function wpdx_add_cpt_to_dashboard_activity( $query ) {// 如果你要显示所有文章类型，就删除下行的 //，并在 11 行前面添加 //// $post_types = get_post_types();// 如果你仅仅希望显示指定的文章类型，可以修改下行的数组内容，并确保上行前面添加 //$post_types = ['post', 'download'];if ( is_array( $query['post_type'] ) ) {$query['post_type'] = $post_types;} else {$temp = $post_types;$query['post_type'] = $temp;}return $query;}
}/** 显示所有设置菜单*/
add_action('admin_menu', 'all_settings_link');
function all_settings_link() {add_options_page(__('All Settings'), __('All Settings'), 'administrator', 'options.php');
}/** 在WordPress后台文章编辑器的上方或下方添加提示内容*/
add_action( 'edit_form_after_title', 'below_the_title' );
function below_the_title() {echo '<h3>在编辑器上方添加的提示内容</h3>';
}
add_action( 'edit_form_after_editor', 'below_the_editor' );
function below_the_editor() {echo '<h4>在编辑器下方添加的提示内容</h4>';
}/** 在后台页面管理列表中隐藏特定的页面*/
add_action( 'pre_get_posts' ,'exclude_this_page' );
function exclude_this_page( $query ) {if( !is_admin() )return $query;global $pagenow;if( 'edit.php' == $pagenow && ( get_query_var('post_type') && 'page' == get_query_var('post_type') ) )$query->set( 'post__not_in', array(23,28,30) ); // 页面的IDreturn $query;
}/** 修改 WordPress 发送邮件的默认邮箱和发件人*/
add_filter('wp_mail_from_name', 'new_from_name');
add_filter('wp_mail_from', 'new_from_email');
function new_from_name($email){//默认发件人$wp_from_name = get_option('blogname');return $wp_from_name;
}
function new_from_email($email) {//默认发件箱$wp_from_email = get_option('admin_email');return $wp_from_email;
}/** WordPress仪表盘添加自定义Feed订阅*/
add_action('wp_dashboard_setup', 'ankium_add_dashboard_widgets' );
function dashboard_custom_feed_output() {echo '<div class="rss-widget">';wp_widget_rss_output(array('url' => 'http://www.ankium.com/feed/', //rss地址'title' => '查看安琪云的最新内容','items' => 10,         //显示篇数'show_summary' => 0,  //是否显示摘要，1为显示'show_author' => 0,   //是否显示作者，1为显示'show_date' => 1  )); //是否显示日期echo '</div>';
}
function ankium_add_dashboard_widgets() {wp_add_dashboard_widget('example_dashboard_widget', '安琪云', 'dashboard_custom_feed_output');
}/** 自定义WordPress图片附件的默认链接方式(’none’,’file’,’post’)*/
update_option('image_default_link_type', 'file');/** 关闭WordPress的XML-RPC离线发布功能*/
add_filter('xmlrpc_enabled', '__return_false');/** 恢复WordPress默认上传路径和生成文件的URL地址*/
if(get_option('upload_path')=='wp-content/uploads' || get_option('upload_path')==null) {update_option('upload_path',WP_CONTENT_DIR.'/uploads');
}/** 自定义WordPress媒体文件的上传路径和生成文件的URL地址*/
//add_filter( 'upload_dir', 'wpjam_custom_upload_dir' );
function wpjam_custom_upload_dir( $uploads ) {$upload_path = '';$upload_url_path = '';if ( empty( $upload_path ) || 'wp-content/uploads' == $upload_path ) {$uploads['basedir']  = WP_CONTENT_DIR . '/uploads';} elseif ( 0 !== strpos( $upload_path, ABSPATH ) ) {$uploads['basedir'] = path_join( ABSPATH, $upload_path );} else {$uploads['basedir'] = $upload_path;}$uploads['path'] = $uploads['basedir'].$uploads['subdir'];if ( $upload_url_path ) {$uploads['baseurl'] = $upload_url_path;$uploads['url'] = $uploads['baseurl'].$uploads['subdir'];}return $uploads;
}/** WordPress 后台管理员免密一键切换其他账号登录*/
add_filter('user_row_actions', 'wpdx_user_switch_action', 10, 2);
function wpdx_user_switch_action($actions, $user){$capability = (is_multisite())?'manage_site':'manage_options';if(current_user_can($capability)){$actions['login_as'] = '<a title="以此身份登录" href="'.wp_nonce_url("users.php?action=login_as&users=$user->ID", 'bulk-users').'">以此身份登录</a>';}return $actions;
}
add_filter('handle_bulk_actions-users','wpdx_handle_user_switch_action', 10, 3);
function wpdx_handle_user_switch_action($sendback, $action, $user_ids){if($action == 'login_as'){wp_set_auth_cookie($user_ids, true);wp_set_current_user($user_ids);}return admin_url();
}/** WordPress自定义文章作者名称*/
add_action('post_submitbox_misc_actions', 'cus_author_createCustomField');
add_action('save_post', 'cus_author_saveCustomField');
add_filter('the_author','cus_author_the_author');
/** 创建一个checkBox */
function cus_author_createCustomField() {$post_id = get_the_ID();if (get_post_type($post_id) != 'post') {return;}/** 提取现有的值* @var boolean*/$value = get_post_meta($post_id, '_custom_author_name', true);/** 添加 nonce 安全处理*/wp_nonce_field('custom_author_nonce' , 'custom_author_nonce');?><div class="misc-pub-section misc-pub-section-last dashicons-before dashicons-admin-users"><label><b>作者：</b><input type="text" value="<?php echo $value ?>" name="_custom_author_name" /></label></div><?php
}
//保存配置信息 $post_id 文章的ID
function cus_author_saveCustomField($post_id) {//自动保存不处理if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {return;}//信息不正确不处理if (!isset($_POST['custom_author_nonce']) ||!wp_verify_nonce($_POST['custom_author_nonce'], 'custom_author_nonce')) {return;}//用户无权编辑文章不处理if (!current_user_can('edit_post', $post_id)) {return;}//存在此项目就更新if (isset($_POST['_custom_author_name'])) {update_post_meta($post_id, '_custom_author_name', sanitize_text_field($_POST['_custom_author_name']));} else {//不存在就删除delete_post_meta($post_id, '_custom_author_name');}
}
function cus_author_the_author($author){$custom_author = get_post_meta(get_the_ID(), '_custom_author_name');if ($custom_author) {return $custom_author[0];} else {return $author;}
}/** 四合一简化 WordPress 后台用户个人信息姓名昵称设置*/
add_action('show_user_profile','wpjam_edit_user_profile');
add_action('edit_user_profile','wpjam_edit_user_profile');
function wpjam_edit_user_profile($user){?><script>jQuery(document).ready(function($) {$('#first_name').parent().parent().hide();$('#last_name').parent().parent().hide();$('#display_name').parent().parent().hide();$('.show-admin-bar').hide();});</script><?php
}
//更新时候，强制设置显示名称为昵称
add_action('personal_options_update','wpjam_edit_user_profile_update');
add_action('edit_user_profile_update','wpjam_edit_user_profile_update');
function wpjam_edit_user_profile_update($user_id){if (!current_user_can('edit_user', $user_id))return false;$user = get_userdata($user_id);$_POST['nickname'] = ($_POST['nickname'])?:$user->user_login;$_POST['display_name'] = $_POST['nickname'];$_POST['first_name']  = '';$_POST['last_name']     = '';
}/** 禁用 WordPress 4.7 新增的PDF缩略图预览功能*/
add_filter('fallback_intermediate_image_sizes', 'wpb_disable_pdf_previews');
function wpb_disable_pdf_previews() {$fallbacksizes = array();return $fallbacksizes;
}/*** 新文章自动使用ID作为别名* 作用：即使你设置固定连接结构为 %postname% ，仍旧自动生成 ID 结构的链接*/
add_action( 'save_post', 'using_id_as_slug', 10, 2 );
function using_id_as_slug($post_id, $post){global $post_type;if($post_type=='post'){ //只对文章生效// 如果是文章的版本，不生效if (wp_is_post_revision($post_id))return false;// 取消挂载该函数，防止无限循环remove_action('save_post', 'using_id_as_slug' );// 使用文章ID作为文章的别名wp_update_post(array('ID' => $post_id, 'post_name' => $post_id ));// 重新挂载该函数add_action('save_post', 'using_id_as_slug' );}
}//根据上传时间重命名文件
add_filter('wp_handle_upload_prefilter', 'custom_upload_filter' );
function custom_upload_filter( $file ){$info = pathinfo($file['name']);$ext = $info['extension'];$filedate = date('YmdHis').rand(10,99);//为了避免时间重复，再加一段2位的随机数$file['name'] = $filedate.'.'.$ext;return $file;
}//自动调用媒体库中的图片作为缩略图
add_action('the_post', 'wpforce_featured');
add_action('save_post', 'wpforce_featured');
add_action('draft_to_publish', 'wpforce_featured');
add_action('new_to_publish', 'wpforce_featured');
add_action('pending_to_publish', 'wpforce_featured');
add_action('future_to_publish', 'wpforce_featured');
function wpforce_featured() {global $post;$already_has_thumb = has_post_thumbnail($post->ID);if (!$already_has_thumb)  {$attached_image = get_children( "post_parent=$post->ID&post_type=attachment&post_mime_type=image&numberposts=1" );if ($attached_image) {foreach ($attached_image as $attachment_id => $attachment) {set_post_thumbnail($post->ID, $attachment_id);}} else {set_post_thumbnail($post->ID, '10181');}}
}  //end function
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