*-----------------------------------------------------------------------------------*/
/* Disable the emoji's
/*-----------------------------------------------------------------------------------*/
  function disable_emojis() {
   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' ); 
   remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
   remove_filter( 'comment_text_rss', 'wp_staticize_emoji' ); 
   remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
   //add_filter( 'tiny_mce_plugins', 'disable_emojis_tinymce' );
  }
  add_action( 'init', 'disable_emojis' );
   
  /**
   * Filter function used to remove the tinymce emoji plugin.
   * 
   * @param    array  $plugins  
   * @return   array             Difference betwen the two arrays
   */
  function disable_emojis_tinymce( $plugins ) {
   if ( is_array( $plugins ) ) {
   return array_diff( $plugins, array( 'wpemoji' ) );
   } else {
   return array();
   }
  }
  
/*-----------------------------------------------------------------------------------*/
/* 去除头部菜单
/*-----------------------------------------------------------------------------------*/
  add_filter( 'show_admin_bar', '__return_false' );
/*-----------------------------------------------------------------------------------*/
/* 去除头部冗余代码
/*-----------------------------------------------------------------------------------*/  
    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' ); //隐藏wordpress版本
    remove_filter('the_content', 'wptexturize'); //取消标点符号转义
    
  remove_action('rest_api_init', 'wp_oembed_register_route');
  remove_filter('rest_pre_serve_request', '_oembed_rest_pre_serve_request', 10, 4);
  remove_filter('oembed_dataparse', 'wp_filter_oembed_result', 10);
  remove_filter('oembed_response_data', 'get_oembed_response_data_rich', 10, 4);
  remove_action('wp_head', 'wp_oembed_add_discovery_links');
  remove_action('wp_head', 'wp_oembed_add_host_js');
  // Remove the Link header for the WP REST API
  // [link] => <http://cnzhx.net/wp-json/>; rel="https://api.w.org/"
  remove_action( 'template_redirect', 'rest_output_link_header', 11, 0 );
  
/*-----------------------------------------------------------------------------------*/
/* 去除谷歌字体
/*-----------------------------------------------------------------------------------*/
  function coolwp_remove_open_sans_from_wp_core() {
    wp_deregister_style( 'open-sans' );
    wp_register_style( 'open-sans', false );
    wp_enqueue_style('open-sans','');
  }
  add_action( 'init', 'coolwp_remove_open_sans_from_wp_core' );
  
/*-----------------------------------------------------------------------------------*/
/* 修改后台字体
/*-----------------------------------------------------------------------------------*/
  function admin_lettering(){
    echo'<style type="text/css">
     body{ font-family: Microsoft YaHei;}
    </style>';
    }
  add_action('admin_head', 'admin_lettering');
  
/*-----------------------------------------------------------------------------------*/
/* Gravatar头像使用中国服务器
/*-----------------------------------------------------------------------------------*/  
  function ea_change_avatar_v2ex( $avatar ) {
    $avatar = preg_replace("/https:\/\/(secure|\d).gravatar.com\/avatar\//","https://dn-qiniu-avatar.qbox.me/robohash/",$avatar);
    return $avatar;
}
add_filter('get_avatar', 'ea_change_avatar_v2ex');
  
/*-----------------------------------------------------------------------------------*/
/* 阻止站内文章互相Pingback
/*-----------------------------------------------------------------------------------*/  
  function theme_noself_ping( &$links ) { 
  $home = get_option( 'home' );
  foreach ( $links as $l => $link )
  if ( 0 === strpos( $link, $home ) )
  unset($links[$l]); 
  }
  add_action('pre_ping','theme_noself_ping');
  
/*-----------------------------------------------------------------------------------*/
/* 删除后台某些版权和链接@wpdx
/*-----------------------------------------------------------------------------------*/     
  add_filter('admin_title', 'wpdx_custom_admin_title', 10, 2);
  function wpdx_custom_admin_title($admin_title, $title){
    return $title.' ‹ '.get_bloginfo('name');
  }
/*-----------------------------------------------------------------------------------*/
/* 去掉wordpress logo
/*-----------------------------------------------------------------------------------*/  
  function remove_logo($wp_toolbar) {
    $wp_toolbar->remove_node('wp-logo');
  }
  add_action('admin_bar_menu', 'remove_logo', 999);
/*-----------------------------------------------------------------------------------*/
/* 去掉wp版权
/*-----------------------------------------------------------------------------------*/  
  function change_footer_admin () {return '';}  
  add_filter('admin_footer_text', 'change_footer_admin', 9999);  
  function change_footer_version() {return '';}  
  add_filter( 'update_footer', 'change_footer_version', 9999);
/*-----------------------------------------------------------------------------------*/
/* 去掉挂件
/*-----------------------------------------------------------------------------------*/  
  function disable_dashboard_widgets() {   
    //remove_meta_box('dashboard_recent_comments', 'dashboard', 'normal');//近期评论 
    //remove_meta_box('dashboard_recent_drafts', 'dashboard', 'normal');//近期草稿
    remove_meta_box('dashboard_primary', 'dashboard', 'core');//wordpress博客  
    remove_meta_box('dashboard_secondary', 'dashboard', 'core');//wordpress其它新闻  
    remove_meta_box('dashboard_right_now', 'dashboard', 'core');//wordpress概况  
    //remove_meta_box('dashboard_incoming_links', 'dashboard', 'core');//wordresss链入链接  
    //remove_meta_box('dashboard_plugins', 'dashboard', 'core');//wordpress链入插件  
    //remove_meta_box('dashboard_quick_press', 'dashboard', 'core');//wordpress快速发布   
  }  
  add_action('admin_menu', 'disable_dashboard_widgets');
  
/*-----------------------------------------------------------------------------------*/
/* 去掉无用小工具
/*-----------------------------------------------------------------------------------*/  
  function unregister_default_widgets() {
  unregister_widget( 'WP_Widget_Pages' );
  unregister_widget( 'WP_Widget_Calendar' );
  unregister_widget( 'WP_Widget_Meta' );
  unregister_widget( 'WP_Widget_Search' );
  unregister_widget( 'WP_Widget_Categories' );
  unregister_widget( 'WP_Widget_Recent_Posts' );
  unregister_widget( 'WP_Widget_Recent_Comments' );
  unregister_widget( 'WP_Widget_RSS' );
  }
  add_action("widgets_init", "unregister_default_widgets", 11);