<?php
/**
 *  Functions and definitions for auxin framework
 *
 *
 * @package    Auxin
 * @author     averta (c) 2014-2021
 * @link       http://averta.net
 */

/*-----------------------------------------------------------------------------------*/
/*  Add your custom functions here -  We recommend you to use "code-snippets" plugin instead
/*  https://wordpress.org/plugins/code-snippets/
/*-----------------------------------------------------------------------------------*/



// your code here
//屏蔽后台更新模块
function wp_hide_nag() {
    remove_action( 'admin_notices', 'update_nag', 3 );
}
add_action('admin_menu','wp_hide_nag');
// 彻底关闭自动更新
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' );


add_filter('pre_site_transient_update_core', function(){"null";}); // 关闭核心提示
add_filter('pre_site_transient_update_plugins', function(){"null";}); // 关闭插件提示
add_filter('pre_site_transient_update_themes', function(){"null";}); // 关闭主题提示



// 屏蔽 REST API
add_filter('rest_enabled', '__return_false');
add_filter('rest_jsonp_enabled', '__return_false');

// 移除头部 wp-json 标签和 HTTP header 中的 link
remove_action('template_redirect', 'rest_output_link_header', 11 );
//禁止加载s.w.org并移动dns-prefetch
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 );
// 首先移除多余的feed链接
remove_action( 'wp_head','feed_links', 2 );
remove_action( 'wp_head','feed_links_extra', 3 );


// 2、移除谷歌字体，同样是为了防止官方网址打开缓慢，直接移除：
if (!function_exists('remove_wp_open_sans')) {
   function remove_wp_open_sans() {
      wp_deregister_style('open-sans');
      wp_register_style('open-sans', false);
      }
    }
add_filter('wp_enqueue_scripts', 'remove_wp_open_sans');
add_filter('admin_enqueue_scripts', 'remove_wp_open_sans');

// 4、禁用emoji，这个真的是作用不大，感觉多余，直接移除：
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.
function disable_emojis_tinymce( $plugins ) {
  if ( is_array( $plugins ) ) {
    return array_diff( $plugins, array( 'wpemoji' ) );
    } else {
      return array();
      }
    }
// 5、禁用embeds，这个也没什么作用，虽然说只是移除wp-embed.min.js，但代码稍微有点多，直接应用没事：
function disable_embeds_init() {
    global $wp;                                   // Remove the embed query var.
    $wp->public_query_vars = array_diff( $wp->public_query_vars, array('embed',));  // Remove the REST API endpoint.
    remove_action( 'rest_api_init', 'wp_oembed_register_route' );                   // Turn off
    add_filter( 'embed_oembed_discover', '__return_false' );
    remove_filter( 'oembed_dataparse', 'wp_filter_oembed_result', 10 );
    remove_action( 'wp_head', 'wp_oembed_add_discovery_links' );
    remove_action( 'wp_head', 'wp_oembed_add_host_js' );
    add_filter( 'tiny_mce_plugins', 'disable_embeds_tiny_mce_plugin' );
    add_filter( 'rewrite_rules_array', 'disable_embeds_rewrites' );
   }
add_action( 'init', 'disable_embeds_init', 9999 );

function disable_embeds_tiny_mce_plugin( $plugins ) {
  return array_diff( $plugins, array( 'wpembed' ) );
}
function disable_embeds_rewrites( $rules ) {
   foreach ( $rules as $rule => $rewrite ) {
     if ( false !== strpos( $rewrite, 'embed=true' ) ) {
         unset( $rules[ $rule ] );
     }
   }
   return $rules;
}
function disable_embeds_remove_rewrite_rules() {
  add_filter( 'rewrite_rules_array', 'disable_embeds_rewrites' );
  flush_rewrite_rules();
}
register_activation_hook( __FILE__, 'disable_embeds_remove_rewrite_rules' );
function disable_embeds_flush_rewrite_rules() {
    remove_filter( 'rewrite_rules_array', 'disable_embeds_rewrites' );
    flush_rewrite_rules();
}
register_deactivation_hook( __FILE__, 'disable_embeds_flush_rewrite_rules' );

//移除头部不必要的链接
remove_action( 'wp_head', 'wp_resource_hints', 2);// 去除DNS预解析
remove_action( 'wp_head', 'wp_generator' ); //隐藏wordpress版本
remove_action( 'wp_head', 'rsd_link' );//移除头部RSD链接
remove_action( 'wp_head', 'wlwmanifest_link' );//移除头部wlwmanifest链接
remove_action( 'wp_head', 'rest_output_link_wp_head', 10 );//移除头部wp-json链接
remove_action( 'wp_head', 'wp_shortlink_wp_head'); //移除头部shortlink
remove_action( 'wp_head', 'rel_canonical' );//移除canonical标记
remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head');//移除头部上下篇链接
// add_filter( 'show_admin_bar', '__return_false' ); //删除AdminBar
add_filter('xmlrpc_enabled', '__return_false');//屏蔽 XML-RPC (pingback) 的功能


function remove_block_library_css() {
 wp_dequeue_style( 'wp-block-library' );

}
add_action( 'wp_enqueue_scripts', 'remove_block_library_css', 100 );


add_filter( 'automatic_updater_disabled', '__return_true' );



function example_remove_dashboard_widgets() {
    // Globalize the metaboxes array, this holds all the widgets for wp-admin
    global $wp_meta_boxes;
    // 以下这一行代码将删除 "快速发布" 模块
    //unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_quick_press']);
    // 以下这一行代码将删除 "引入链接" 模块
    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_incoming_links']);
    // 以下这一行代码将删除 "插件" 模块
    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins']);
    // 以下这一行代码将删除 "近期评论" 模块
    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_recent_comments']);
    // 以下这一行代码将删除 "近期草稿" 模块
    unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_recent_drafts']);
    // 以下这一行代码将删除 "WordPress 开发日志" 模块
    unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_primary']);
    // 以下这一行代码将删除 "其它 WordPress 新闻" 模块
    unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']);
    // 以下这一行代码将删除 "概况" 模块
    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_right_now']);

    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_activity']);

    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_site_health']);

    unset($wp_meta_boxes['dashboard']['normal']['core']['e-dashboard-overview']);

}
add_action('wp_dashboard_setup', 'example_remove_dashboard_widgets' );

//修改后台logo
function custom_loginlogo() {
echo '<style type="text/css">
h1 a {
    background-image: url('.get_bloginfo('template_directory').'/images/logo_01.png) !important;
    display: inline-block !important;
    width: 275px !important;
    background-size: 275px !important;
    margin:0px !important;
}
</style>';
}
add_action('login_head', 'custom_loginlogo');

/**移除后台顶部左上角图标*/
function annointed_admin_bar_remove() {
  global $wp_admin_bar;/* Remove their stuff */
  $wp_admin_bar->remove_menu('wp-logo');
}
add_action('wp_before_admin_bar_render', 'annointed_admin_bar_remove', 0);

//删除WordPress后台底部版权信息
add_filter('admin_footer_text', '_admin_footer_left_text');
function _admin_footer_left_text($text) {
  $text = '';
  return $text;
}

//删除WordPress后台版本号信息
add_filter('update_footer', '_admin_footer_right_text', 11);
function _admin_footer_right_text($text) {
  $text = '';
  return $text;
}

//删除WordPress后台右上角帮助
add_action('in_admin_header', function(){
	global $current_screen;
	$current_screen->remove_help_tabs();
});
/*-----------------------------------------------------------------------------------*/
/*  Init theme framework
/*-----------------------------------------------------------------------------------*/
require( 'auxin/auxin-include/auxin.php' );
/*-----------------------------------------------------------------------------------*/