sakura/functions.php

<?php
/**
 * Sakura functions and definitions.
 *
 * @link https://developer.wordpress.org/themes/basics/theme-functions/
 *
 * @package Sakura
 */
 
define( 'SAKURA_VERSION', '3.3.2' );
define( 'BUILD_VERSION', '3' );

//ini_set('display_errors', true);
//error_reporting(E_ALL);   
error_reporting(E_ALL ^ E_NOTICE);

if ( !function_exists( 'akina_setup' ) ) :
/**
 * Sets up theme defaults and registers support for various WordPress features.
 *
 * Note that this function is hooked into the after_setup_theme hook, which
 * runs before the init hook. The init hook is too late for some features, such
 * as indicating support for post thumbnails.
 */
 
if ( !function_exists( 'optionsframework_init' ) ) {
	define( 'OPTIONS_FRAMEWORK_DIRECTORY', get_template_directory_uri() . '/inc/' );
	require_once dirname( __FILE__ ) . '/inc/options-framework.php';
}

function akina_setup() {
	/*
	 * Make theme available for translation.
	 * Translations can be filed in the /languages/ directory.
	 * If you're building a theme based on Akina, use a find and replace
	 * to change 'akina' to the name of your theme in all the template files.
	 */
	load_theme_textdomain( 'sakura', get_template_directory() . '/languages' );


	/*
	 * Enable support for Post Thumbnails on posts and pages.
	 *
	 * @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/
	 */
	add_theme_support( 'post-thumbnails' );
	set_post_thumbnail_size( 150, 150, true );

	// This theme uses wp_nav_menu() in one location.
	register_nav_menus( array(
		'primary' => __( 'Nav Menus', 'sakura' ), //导航菜单
	) );

	/*
	 * Switch default core markup for search form, comment form, and comments
	 * to output valid HTML5.
	 */
	add_theme_support( 'html5', array(
		'search-form',
		'comment-form',
		'comment-list',
		'gallery',
		'caption',
	) );

	/*
	 * Enable support for Post Formats.
	 * See https://developer.wordpress.org/themes/functionality/post-formats/
	 */
	add_theme_support( 'post-formats', array(
		'aside',
		'image',
		'status',
	) );

	// Set up the WordPress core custom background feature.
	add_theme_support( 'custom-background', apply_filters( 'akina_custom_background_args', array(
		'default-color' => 'ffffff',
		'default-image' => '',
	) ) );
	
	add_filter('pre_option_link_manager_enabled','__return_true');
	
	// 优化代码
	//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');
	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_action( 'template_redirect', 'rest_output_link_header', 11, 0 );
	
	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' );
	
	/**
	* 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();
	 }
	}
	
	// 移除菜单冗余代码
	add_filter('nav_menu_css_class', 'my_css_attributes_filter', 100, 1);
	add_filter('nav_menu_item_id', 'my_css_attributes_filter', 100, 1);
	add_filter('page_css_class', 'my_css_attributes_filter', 100, 1);
	function my_css_attributes_filter($var) {
	return is_array($var) ? array_intersect($var, array('current-menu-item','current-post-ancestor','current-menu-ancestor','current-menu-parent')) : '';
	}
		
}
endif;
add_action( 'after_setup_theme', 'akina_setup' );

function admin_lettering(){
    echo'<style type="text/css">body{font-family: Microsoft YaHei;}</style>';
}
add_action('admin_head', 'admin_lettering');

/**
 * Set the content width in pixels, based on the theme's design and stylesheet.
 *
 * Priority 0 to make it available to lower priority callbacks.
 *
 * @global int $content_width
 */
function akina_content_width() {
	$GLOBALS['content_width'] = apply_filters( 'akina_content_width', 640 );
}
add_action( 'after_setup_theme', 'akina_content_width', 0 );

/**
 * Enqueue scripts and styles.
 */
function sakura_scripts() {
    if(akina_option('jsdelivr_cdn_test')){ 
        wp_enqueue_script( 'js_lib', get_template_directory_uri() . '/cdn/js/lib.js', array(), SAKURA_VERSION.akina_option('cookie_version', ''), true );
    } else { 
        wp_enqueue_script( 'js_lib', 'https://cdn.jsdelivr.net/gh/mashirozx/Sakura@' . SAKURA_VERSION . '/cdn/js/lib.min.js', array(), SAKURA_VERSION, true );
    }
    if (akina_option('app_no_jsdelivr_cdn')) {
        wp_enqueue_style( 'saukra_css', get_stylesheet_uri(), array(), SAKURA_VERSION );
        wp_enqueue_script( 'app', get_template_directory_uri() . '/js/sakura-app.js', array(), SAKURA_VERSION, true );
    } else {
        wp_enqueue_style( 'saukra_css', 'https://cdn.jsdelivr.net/gh/mashirozx/Sakura@' . SAKURA_VERSION . '/style.min.css', array(), SAKURA_VERSION );
        wp_enqueue_script( 'app', 'https://cdn.jsdelivr.net/gh/mashirozx/Sakura@' . SAKURA_VERSION . '/js/sakura-app.min.js', array(), SAKURA_VERSION, true );
    } 
    wp_enqueue_script( 'github_card', 'https://cdn.jsdelivr.net/github-cards/latest/widget.js', array(), SAKURA_VERSION, true );
    
	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
		wp_enqueue_script( 'comment-reply' );
	}

	// 20161116 @Louie
	$mv_live = akina_option('focus_mvlive') ? 'open' : 'close';
	$movies = akina_option('focus_amv') ? array('url' => akina_option('amv_url'), 'name' => akina_option('amv_title'), 'live' => $mv_live) : 'close';
	$auto_height = akina_option('focus_height') ? 'fixed' : 'auto';
	$code_lamp = 'close';
	if(wp_is_mobile()) $auto_height = 'fixed'; //拦截移动端
    version_compare( $GLOBALS['wp_version'], '5.1', '>=' ) ? $reply_link_version = 'new' : $reply_link_version = 'old';
	wp_localize_script( 'app', 'Poi' , array(
		'pjax' => akina_option('poi_pjax'),
		'movies' => $movies,
		'windowheight' => $auto_height,
		'codelamp' => $code_lamp,
		'ajaxurl' => admin_url('admin-ajax.php'),
		'order' => get_option('comment_order'), // ajax comments
		'formpostion' => 'bottom', // ajax comments 默认为bottom，如果你的表单在顶部则设置为top。
        'reply_link_version' => $reply_link_version,
        'api' => esc_url_raw( rest_url() ),
        'nonce' => wp_create_nonce( 'wp_rest' )
	));
}
add_action( 'wp_enqueue_scripts', 'sakura_scripts' );

/**
 * load .php.
 */
require get_template_directory() .'/inc/decorate.php';
require get_template_directory() .'/inc/swicher.php';
require get_template_directory() .'/inc/api.php';

/**
 * Custom template tags for this theme.
 */
require get_template_directory() . '/inc/template-tags.php';

/**
 * Customizer additions.
 */
require get_template_directory() . '/inc/customizer.php';

/**
 * function update
 */
require get_template_directory() . '/inc/theme_plus.php';
require get_template_directory() . '/inc/categories-images.php';

//Comment Location Start
function convertip($ip) {
    error_reporting(E_ALL ^ E_NOTICE);
	$dat_path = dirname(__FILE__).'/inc/QQWry.Dat'; 
    if(!$fd = @fopen($dat_path, 'rb')){
        return 'IP date file not exists or access denied';
    }
    $ip = explode('.', $ip);
    $ipNum = intval($ip[0]) * 16777216 + intval($ip[1]) * 65536 + intval($ip[2]) * 256 + intval($ip[3]);
    $DataBegin = fread($fd, 4);
    $DataEnd = fread($fd, 4);
    $ipbegin = implode('', unpack('L', $DataBegin));
    if($ipbegin < 0) $ipbegin += pow(2, 32);
    $ipend = implode('', unpack('L', $DataEnd));
    if($ipend < 0) $ipend += pow(2, 32);
    $ipAllNum = ($ipend - $ipbegin) / 7 + 1;
    $BeginNum = 0;
    $EndNum = $ipAllNum;
    while($ip1num>$ipNum || $ip2num<$ipNum) {
        $Middle= intval(($EndNum + $BeginNum) / 2);
        fseek($fd, $ipbegin + 7 * $Middle);
        $ipData1 = fread($fd, 4);
        if(strlen($ipData1) < 4) {
            fclose($fd);
            return 'System Error';
        }
        $ip1num = implode('', unpack('L', $ipData1));
        if($ip1num < 0) $ip1num += pow(2, 32);
        if($ip1num > $ipNum) {
            $EndNum = $Middle;
            continue;
        }
        $DataSeek = fread($fd, 3);
        if(strlen($DataSeek) < 3) {
            fclose($fd);
            return 'System Error';
        }
        $DataSeek = implode('', unpack('L', $DataSeek.chr(0)));
        fseek($fd, $DataSeek);
        $ipData2 = fread($fd, 4);
        if(strlen($ipData2) < 4) {
            fclose($fd);
            return 'System Error';
        }
        $ip2num = implode('', unpack('L', $ipData2));
        if($ip2num < 0) $ip2num += pow(2, 32);
        if($ip2num < $ipNum) {
            if($Middle == $BeginNum) {
                fclose($fd);
                return 'Unknown';
            }
            $BeginNum = $Middle;
        }
    }
    $ipFlag = fread($fd, 1);
    if($ipFlag == chr(1)) {
        $ipSeek = fread($fd, 3);
        if(strlen($ipSeek) < 3) {
            fclose($fd);
            return 'System Error';
        }
        $ipSeek = implode('', unpack('L', $ipSeek.chr(0)));
        fseek($fd, $ipSeek);
        $ipFlag = fread($fd, 1);
    }
    if($ipFlag == chr(2)) {
        $AddrSeek = fread($fd, 3);
        if(strlen($AddrSeek) < 3) {
            fclose($fd);
            return 'System Error';
        }
        $ipFlag = fread($fd, 1);
        if($ipFlag == chr(2)) {
            $AddrSeek2 = fread($fd, 3);
            if(strlen($AddrSeek2) < 3) {
                fclose($fd);
                return 'System Error';
            }
            $AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
            fseek($fd, $AddrSeek2);
        } else {
            fseek($fd, -1, SEEK_CUR);
        }
        while(($char = fread($fd, 1)) != chr(0))
        $ipAddr2 .= $char;
        $AddrSeek = implode('', unpack('L', $AddrSeek.chr(0)));
        fseek($fd, $AddrSeek);
        while(($char = fread($fd, 1)) != chr(0))
        $ipAddr1 .= $char;
    } else {
        fseek($fd, -1, SEEK_CUR);
        while(($char = fread($fd, 1)) != chr(0))
        $ipAddr1 .= $char;

        $ipFlag = fread($fd, 1);
        if($ipFlag == chr(2)) {
            $AddrSeek2 = fread($fd, 3);
            if(strlen($AddrSeek2) < 3) {
                fclose($fd);
                return 'System Error';
            }
            $AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
            fseek($fd, $AddrSeek2);
        } else {
            fseek($fd, -1, SEEK_CUR);
        }
        while(($char = fread($fd, 1)) != chr(0)){
            $ipAddr2 .= $char;
        }
    }
    fclose($fd);
    if(preg_match('/http/i', $ipAddr2)) {
        $ipAddr2 = '';
    }
    $ipaddr = "$ipAddr1 $ipAddr2";
    $ipaddr = preg_replace('/CZ88.Net/is', '', $ipaddr);
    $ipaddr = preg_replace('/^s*/is', '', $ipaddr);
    $ipaddr = preg_replace('/s*$/is', '', $ipaddr);
    if(preg_match('/http/i', $ipaddr) || $ipaddr == '') {
        $ipaddr = 'Unknown';
    }
    $ipaddr = iconv('gbk', 'utf-8//IGNORE', $ipaddr);
    if( $ipaddr != '  ' )
        return $ipaddr;
    else
        $ipaddr = 'Unknown';
        return $ipaddr;
}
//Comment Location End

/**
 * COMMENT FORMATTING
 *
 * 标准的 lazyload 输出头像
 * <?php echo str_replace( 'src=', 'src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.0.1/img/svg/loader/index.ajax-spinner-preloader.svg" onerror="imgError(this,1)" data-src=', get_avatar( $comment->comment_author_email, '80', '', get_comment_author(), array( 'class' => array( 'lazyload' ) ) ) ); ?>
 *
 * 如果不延时是这样的
 * <?php echo get_avatar( $comment->comment_author_email, '80', '', get_comment_author() ); ?>
 *
 */
if(!function_exists('akina_comment_format')){
	function akina_comment_format($comment, $args, $depth){
		$GLOBALS['comment'] = $comment;
		?>
		<li <?php comment_class(); ?> id="comment-<?php echo esc_attr(comment_ID()); ?>">
			<div class="contents">
				<div class="comment-arrow">
					<div class="main shadow">
						<div class="profile">
							<a href="<?php comment_author_url(); ?>" target="_blank" rel="nofollow"><?php echo str_replace( 'src=', 'src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.0.2/img/svg/loader/trans.ajax-spinner-preloader.svg" onerror="imgError(this,1)" data-src=', get_avatar( $comment->comment_author_email, '80', '', get_comment_author(), array( 'class' => array( 'lazyload' ) ) ) ); ?></a>
						</div>
						<div class="commentinfo">
							<section class="commeta">
								<div class="left">
									<h4 class="author"><a href="<?php comment_author_url(); ?>" target="_blank" rel="nofollow"><?php echo get_avatar( $comment->comment_author_email, '24', '', get_comment_author() ); ?><span class="bb-comment isauthor" title="<?php _e('Author', 'sakura'); ?>"><?php _e('Blogger', 'sakura'); /*博主*/?></span> <?php comment_author(); ?> <?php echo get_author_class($comment->comment_author_email,$comment->user_id); ?></a></h4>
								</div>
								<?php comment_reply_link(array_merge($args, array('depth' => $depth, 'max_depth' => $args['max_depth']))); ?>
								<div class="right">
									<div class="info"><time datetime="<?php comment_date('Y-m-d'); ?>"><?php echo poi_time_since(strtotime($comment->comment_date_gmt), true );//comment_date(get_option('date_format')); ?></time><?php echo siren_get_useragent($comment->comment_agent); ?><?php echo mobile_get_useragent_icon($comment->comment_agent); ?>&nbsp;<?php _e('Location', 'sakura'); /*来自*/?>: <?php echo convertip(get_comment_author_ip()); ?>
    									<?php if (current_user_can('manage_options') and (wp_is_mobile() == false) ) {
                                            $comment_ID = $comment->comment_ID;
                                            $i_private = get_comment_meta($comment_ID, '_private', true);
                                            $flag .= ' <i class="fa fa-snowflake-o" aria-hidden="true"></i> <a href="javascript:;" data-actionp="set_private" data-idp="' . get_comment_id() . '" id="sp" class="sm" style="color:rgba(0,0,0,.35)">'.__("Private", "sakura").': <span class="has_set_private">';
                                            if (!empty($i_private)) {
                                                $flag .= __("Yes", "sakura").' <i class="fa fa-lock" aria-hidden="true"></i>';
                                            } else {
                                                $flag .= __("No", "sakura").' <i class="fa fa-unlock" aria-hidden="true"></i>';
                                            }
                                            $flag .= '</span></a>';
                                            $flag .= edit_comment_link('<i class="fa fa-pencil-square-o" aria-hidden="true"></i> '.__("Edit", "mashiro"), ' <span style="color:rgba(0,0,0,.35)">', '</span>');
                                            echo $flag;
                                        } ?></div>
								</div>
							</section>
						</div>
						<div class="body">
							<?php comment_text(); ?>
						</div>
					</div>
					<div class="arrow-left"></div>
				</div>
			</div>
			<hr>
		<?php
	}
}

/**
 * 获取访客VIP样式
 */
    function get_author_class($comment_author_email, $user_id){
        global $wpdb;
        $author_count = count($wpdb->get_results(
        "SELECT comment_ID as author_count FROM $wpdb->comments WHERE comment_author_email = '$comment_author_email' "));
        if($author_count>=1 && $author_count< 5 )//数字可自行修改，代表评论次数。
            echo '<span class="showGrade0" title="Lv0"><img src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.9/img/Sakura/images/level/level_0.svg" style="height: 1.5em; max-height: 1.5em; display: inline-block;"></span>';
        else if($author_count>=6 && $author_count< 10)
            echo '<span class="showGrade1" title="Lv1"><img src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.9/img/Sakura/images/level/level_1.svg" style="height: 1.5em; max-height: 1.5em; display: inline-block;"></span>';
        else if($author_count>=10 && $author_count< 20)
            echo '<span class="showGrade2" title="Lv2"><img src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.9/img/Sakura/images/level/level_2.svg" style="height: 1.5em; max-height: 1.5em; display: inline-block;"></span>';
        else if($author_count>=20 && $author_count< 40)
            echo '<span class="showGrade3" title="Lv3"><img src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.9/img/Sakura/images/level/level_3.svg" style="height: 1.5em; max-height: 1.5em; display: inline-block;"></span>';
        else if($author_count>=40 && $author_count< 80)
            echo '<span class="showGrade4" title="Lv4"><img src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.9/img/Sakura/images/level/level_4.svg" style="height: 1.5em; max-height: 1.5em; display: inline-block;"></span>';
        else if($author_count>=80 && $author_count< 160)
            echo '<span class="showGrade5" title="Lv5"><img src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.9/img/Sakura/images/level/level_5.svg" style="height: 1.5em; max-height: 1.5em; display: inline-block;"></span>';
        else if($author_count>=160)
            echo '<span class="showGrade6" title="Lv6"><img src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.9/img/Sakura/images/level/level_6.svg" style="height: 1.5em; max-height: 1.5em; display: inline-block;"></span>';
    }

/**
 * post views
 */
function restyle_text($number) {
    switch (akina_option('statistics_format')) {
        case "type_2": //23,333 次访问
            return number_format($number);
            break;
        case "type_3": //23 333 次访问
            return number_format($number, 0, '.', ' ');
            break;
        case "type_4": //23k 次访问
            if($number >= 1000) {
                return round($number/1000,2) . 'k';
            }else{
                return $number;
            }
            break;
        default:
            return $number;
    }
}

function set_post_views() {
    global $post;
    $post_id = intval($post->ID);
    $count_key = 'views';
    $views = get_post_custom($post_id);
    $views = array_key_exists("views",$views) ? intval($views['views'][0]) : 0;
    if(is_single() || is_page()) {
        if(!update_post_meta($post_id, 'views', ($views + 1))) {
            add_post_meta($post_id, 'views', 1, true);
        }
    }
}
add_action('get_header', 'set_post_views');

function get_post_views($post_id) {
	if (akina_option('statistics_api')=='wp_statistics'){
        if (!function_exists('wp_statistics_pages')) {
            return __('Please install pulgin <a href="https://wordpress.org/plugins/wp-statistics/" target="_blank">WP-Statistics</a>', 'sakura');
        } else {
            return restyle_text(wp_statistics_pages('total','uri',$post_id));
        }
    } else {
        $count_key = 'views';
        $views = get_post_custom($post_id);
        $views = array_key_exists("views",$views) ? intval($views['views'][0]) : 0;
        $post_views = intval(post_custom('views'));
        if($views == '') {
            return 0;
        }else{
            return restyle_text($views);
        }
    }
} 


/*
 * Ajax点赞
 */
add_action('wp_ajax_nopriv_specs_zan', 'specs_zan');
add_action('wp_ajax_specs_zan', 'specs_zan');
function specs_zan(){
    global $wpdb,$post;
    $id = $_POST["um_id"];
    $action = $_POST["um_action"];
    if ( $action == 'ding'){
        $specs_raters = get_post_meta($id,'specs_zan',true);
        $expire = time() + 99999999;
        $domain = ($_SERVER['HTTP_HOST'] != 'localhost') ? $_SERVER['HTTP_HOST'] : false; // make cookies work with localhost
        setcookie('specs_zan_'.$id,$id,$expire,'/',$domain,false);
        if (!$specs_raters || !is_numeric($specs_raters)) {
            update_post_meta($id, 'specs_zan', 1);
        } 
        else {
            update_post_meta($id, 'specs_zan', ($specs_raters + 1));
        }
        echo get_post_meta($id,'specs_zan',true);
    } 
    die;
}


/*
 * 友情链接
 */
function get_the_link_items($id = null){
  $bookmarks = get_bookmarks('orderby=date&category=' .$id );
  $output = '';
  if ( !empty($bookmarks) ) {
      $output .= '<ul class="link-items fontSmooth">';
      foreach ($bookmarks as $bookmark) {
		if (empty($bookmark->link_description)) $bookmark->link_description = __('This guy is so lazy ╮(╯▽╰)╭', 'sakura');
		if (empty($bookmark->link_image)) $bookmark->link_image = 'https://view.moezx.cc/images/2017/12/30/Transparent_Akkarin.th.jpg';
        $output .=  '<li class="link-item"><a class="link-item-inner effect-apollo" href="' . $bookmark->link_url . '" title="' . $bookmark->link_description . '" target="_blank" rel="friend"><img class="lazyload" onerror="imgError(this,1)" data-src="' . $bookmark->link_image . '" src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.0.2/img/svg/loader/trans.ajax-spinner-preloader.svg"><span class="sitename">'. $bookmark->link_name .'</span><div class="linkdes">'. $bookmark->link_description .'</div></a></li>';
      }
      $output .= '</ul>';
  }
  return $output;
}

function get_link_items(){
  $linkcats = get_terms( 'link_category' );
  	if ( !empty($linkcats) ) {
      	foreach( $linkcats as $linkcat){            
        	$result .=  '<h3 class="link-title"><span class="link-fix">'.$linkcat->name.'</span></h3>';
        	if( $linkcat->description ) $result .= '<div class="link-description">' . $linkcat->description . '</div>';
        	$result .=  get_the_link_items($linkcat->term_id);
      	}
  	} else {
    	$result = get_the_link_items();
  	}
  return $result;
}


/*
 * Gravatar头像使用中国服务器
 */
function gravatar_cn( $url ){ 
	$gravatar_url = array('0.gravatar.com','1.gravatar.com','2.gravatar.com','secure.gravatar.com');
	return str_replace( $gravatar_url, 'cn.gravatar.com', $url );
}
add_filter( 'get_avatar_url', 'gravatar_cn', 4 );

/*
 * 自定义默认头像
 */
add_filter( 'avatar_defaults', 'mytheme_default_avatar' );

function mytheme_default_avatar ( $avatar_defaults ) {
    //$new_avatar_url = get_template_directory_uri() . '/images/default_avatar.png';
	$new_avatar_url = 'https://cn.gravatar.com/avatar/b745710ae6b0ce9dfb13f5b7c0956be1';
    $avatar_defaults[$new_avatar_url] = 'Default Avatar';
    return $avatar_defaults;
}

/*
 * 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');


/*
 * 订制body类
*/
function akina_body_classes( $classes ) {
  // Adds a class of group-blog to blogs with more than 1 published author.
  if ( is_multi_author() ) {
    $classes[] = 'group-blog';
  }
  // Adds a class of hfeed to non-singular pages.
  if ( ! is_singular() ) {
    $classes[] = 'hfeed';
  }
  // 定制中文字体class
  $classes[] = 'chinese-font';
  /*if(!wp_is_mobile()) {
      $classes[] = 'serif';
  }*/
  return $classes;
}
add_filter( 'body_class', 'akina_body_classes' );


/*
 * 图片CDN
 */
add_filter( 'upload_dir', 'wpjam_custom_upload_dir' );
function wpjam_custom_upload_dir( $uploads ) {
	$upload_path = '';
	$upload_url_path = akina_option('qiniu_cdn');

	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;
}


/*
 * 删除自带小工具
*/
function unregister_default_widgets() {
 	unregister_widget("WP_Widget_Pages");
 	unregister_widget("WP_Widget_Calendar");
 	unregister_widget("WP_Widget_Archives");
 	unregister_widget("WP_Widget_Links");
 	unregister_widget("WP_Widget_Meta");
 	unregister_widget("WP_Widget_Search");
    //unregister_widget("WP_Widget_Text");
 	unregister_widget("WP_Widget_Categories");
 	unregister_widget("WP_Widget_Recent_Posts");
    //unregister_widget("WP_Widget_Recent_Comments");
    //unregister_widget("WP_Widget_RSS");
    //unregister_widget("WP_Widget_Tag_Cloud");
 	unregister_widget("WP_Nav_Menu_Widget");
}
add_action("widgets_init", "unregister_default_widgets", 11);


/**
 * Jetpack setup function.
 *
 * See: https://jetpack.com/support/infinite-scroll/
 * See: https://jetpack.com/support/responsive-videos/
 */
function akina_jetpack_setup() {
  // Add theme support for Infinite Scroll.
  add_theme_support( 'infinite-scroll', array(
    'container' => 'main',
    'render'    => 'akina_infinite_scroll_render',
    'footer'    => 'page',
  ) );

  // Add theme support for Responsive Videos.
  add_theme_support( 'jetpack-responsive-videos' );
}
add_action( 'after_setup_theme', 'akina_jetpack_setup' );

/**
 * Custom render function for Infinite Scroll.
 */
function akina_infinite_scroll_render() {
  while ( have_posts() ) {
    the_post();
    if ( is_search() ) :
        get_template_part( 'tpl/content', 'search' );
    else :
        get_template_part( 'tpl/content', get_post_format() );
    endif;
  }
}


/*
 * 编辑器增强
 */
function enable_more_buttons($buttons) { 
	$buttons[] = 'hr'; 
	$buttons[] = 'del'; 
	$buttons[] = 'sub'; 
	$buttons[] = 'sup';
	$buttons[] = 'fontselect';
	$buttons[] = 'fontsizeselect';
	$buttons[] = 'cleanup';
	$buttons[] = 'styleselect';
	$buttons[] = 'wp_page';
	$buttons[] = 'anchor'; 
	$buttons[] = 'backcolor'; 
	return $buttons;
} 
add_filter("mce_buttons_3", "enable_more_buttons");
// 下载按钮
function download($atts, $content = null) {  
return '<a class="download" href="'.$content.'" rel="external"  
target="_blank" title="下载地址">  
<span><i class="iconfont down icon-pulldown"></i>Download</span></a>';}  
add_shortcode("download", "download"); 

add_action('after_wp_tiny_mce', 'bolo_after_wp_tiny_mce');  
function bolo_after_wp_tiny_mce($mce_settings) {  
?>  
<script type="text/javascript">  
QTags.addButton( 'download', '下载按钮', "[download]下载地址[/download]" );
function bolo_QTnextpage_arg1() {
}  
</script>  
<?php } 


/*
 * 后台登录页
 * @M.J
 */	
//Login Page style
function custom_login() {
	//echo '<link rel="stylesheet" type="text/css" href="' . get_bloginfo('template_directory') . '/inc/login.css" />'."\n";
	echo '<link rel="stylesheet" type="text/css" href="'.get_site_url().'/wp-content/themes/Sakura/inc/login.css?'.SAKURA_VERSION.'" />'."\n";
	//echo '<script type="text/javascript" src="'.get_bloginfo('template_directory').'/js/jquery.min.js"></script>'."\n";
	echo '<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/jquery/jquery@1.8.2/jquery.min.js"></script>'."\n";
}

add_action('login_head', 'custom_login');

//Login Page Title
function custom_headertitle ( $title ) {
	return get_bloginfo('name');
}
add_filter('login_headertitle','custom_headertitle');

//Login Page Link
function custom_loginlogo_url($url) {
	return esc_url( home_url('/') );
}
add_filter( 'login_headerurl', 'custom_loginlogo_url' );

//Login Page Footer
function custom_html() {
	if ( akina_option('login_bg') ) {
		$loginbg = akina_option('login_bg'); 
	}else{
		$loginbg = 'https://cdn.jsdelivr.net/gh/mashirozx/Sakura@3.2.7/images/hd.png';
	}
	echo '<script type="text/javascript" src="'.get_site_url().'/wp-content/themes/Sakura/js/login.js"></script>'."\n";
	echo '<script type="text/javascript">'."\n";
	echo 'jQuery("body").prepend("<div class=\"loading\"><img src=\"https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.9/img/Sakura/images/login_loading.gif\" width=\"58\" height=\"10\"></div><div id=\"bg\"><img /></div>");'."\n";
	echo 'jQuery(\'#bg\').children(\'img\').attr(\'src\', \''.$loginbg.'\').load(function(){'."\n";
	echo '	resizeImage(\'bg\');'."\n";
	echo '	jQuery(window).bind("resize", function() { resizeImage(\'bg\'); });'."\n";
	echo '	jQuery(\'.loading\').fadeOut();'."\n";
	echo '});';
	echo '</script>'."\n";
	echo '<script>
	function verificationOK(){
		var x, y, z = "verification";
		var x=$(\'#loginform\').find(\'input[name="verification"]\').val();
		//var x=document.forms["loginform"]["verification"].value; //原生js实现
		var y=$(\'#registerform\').find(\'input[name="verification"]\').val();
		var z=$(\'#lostpasswordform\').find(\'input[name="verification"]\').val();
		if (x=="verification" || y=="verification" || z=="verification"){
		  alert("Please slide the block to verificate!");
		  return false;
	  }
	}
	$(document).ready(function(){
		$( \'<p><div id="verification-slider"><div id="slider"><div id="slider_bg"></div><span id="label">»</span><span id="labelTip">Slide to Verificate</span></div><input type="hidden" name="verification" value="verification" /></div><p>\' ).insertBefore( $( ".submit" ) );
		$(\'form\').attr(\'onsubmit\',\'return verificationOK();\');
        $(\'h1 a\').attr(\'style\',\'background-image: url('.akina_option('logo_img').'); \');
		$(".forgetmenot").replaceWith(\'<p class="forgetmenot">Remember Me<input name="rememberme" id="rememberme" value="forever" type="checkbox"><label for="rememberme" style="float: right;margin-top: 5px;transform: scale(2);margin-right: -10px;"></label></p>\');
	});
	</script>';
	echo '<script type="text/javascript">
		var startTime = 0;
		var endTime = 0;
		var numTime = 0;
		$(function () {
			var slider = new SliderUnlock("#slider",{
			successLabelTip : "OK"
		},function(){
			var sli_width = $("#slider_bg").width();
			$(\'#verification-slider\').html(\'\').append(\'<input id="verification-ok" class="input" type="text" size="25" value="OK!" name="verification" disabled="true" />\');
			
			endTime = nowTime();
			numTime = endTime-startTime;
			endTime = 0;
			startTime = 0;
			// 获取到滑动使用的时间 滑动的宽度
			// alert( numTime );
			// alert( sli_width );
		});
			slider.init();
		})

		/**
		* 获取时间精确到毫秒
		* @type
		*/
		function nowTime(){
			var myDate = new Date();
			var H = myDate.getHours();//获取小时
			var M = myDate.getMinutes(); //获取分钟
			var S = myDate.getSeconds();//获取秒
			var MS = myDate.getMilliseconds();//获取毫秒
			var milliSeconds = H * 3600 * 1000 + M * 60 * 1000 + S * 1000 + MS;
			return milliSeconds;
		}
	</script>
	<script type="text/javascript" src="'.get_template_directory_uri().'/user/verification.js"></script>';
}
add_action('login_footer', 'custom_html');

//Login message
//* Add custom message to WordPress login page
function smallenvelop_login_message( $message ) {
    if ( empty($message) ){
        return '<p class="message"><strong>You may try 3 times for every 5 minutes!</strong></p>';
    } else {
        return $message;
    }
}
//add_filter( 'login_message', 'smallenvelop_login_message' );

//Fix password reset bug </>
function resetpassword_message_fix( $message ) {
    $message = str_replace("<", "", $message);
	$message = str_replace(">", "", $message);
	return $message;
}
add_filter( 'retrieve_password_message', 'resetpassword_message_fix' );

//Fix register email bug </>
function new_user_message_fix( $message ) {
    $show_register_ip = "注册IP | Registration IP: ".get_the_user_ip()." (".convertip(get_the_user_ip()).")\r\n\r\n如非本人操作请忽略此邮件 | Please ignore this email if this was not your operation.\r\n\r\n";
    $message = str_replace("To set your password, visit the following address:", $show_register_ip."在此设置密码 | To set your password, visit the following address:", $message);
	$message = str_replace("<", "", $message);
	$message = str_replace(">", "\r\n\r\n设置密码后在此登陆 | Login here after setting password: ", $message);
	return $message;
}
add_filter( 'wp_new_user_notification_email', 'new_user_message_fix' );

/*
 * 评论邮件回复
 */
function comment_mail_notify($comment_id){
	$mail_user_name = akina_option('mail_user_name') ? akina_option('mail_user_name') : 'poi';
    $comment = get_comment($comment_id);
    $parent_id = $comment->comment_parent ? $comment->comment_parent : '';
    $spam_confirmed = $comment->comment_approved;
    $mail_notify = akina_option('mail_notify') ? get_comment_meta($parent_id,'mail_notify',false) : false;
    $admin_notify = akina_option('admin_notify') ? '1' : (get_comment($parent_id)->comment_author_email != get_bloginfo('admin_email') ? '1' : '0');
    if(($parent_id != '') && ($spam_confirmed != 'spam') && ($admin_notify != '0') && (!$mail_notify)){
    $wp_email = $mail_user_name . '@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
    $to = trim(get_comment($parent_id)->comment_author_email);
    $subject = '你在 [' . get_option("blogname") . '] 的留言有了回应';
    $message = '
      <div style="background: white;
      width: 95%;
      max-width: 800px;
      margin: auto auto;
      border-radius: 5px;
      border:orange 1px solid;
      overflow: hidden;
      -webkit-box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.12);
      box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.18);">
        <header style="overflow: hidden;">
            <img style="width:100%;z-index: 666;" src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.4/img/other/head.jpg">
        </header>
        <div style="padding: 5px 20px;">
        <p style="position: relative;
        color: white;
        float: left;
        z-index: 999;
        background: orange;
        padding: 5px 30px;
        margin: -25px auto 0 ;
        box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.30)">Dear&nbsp;' . trim(get_comment($parent_id)->comment_author) . '</p>
        <br>
        <h3>您有一条来自<a style="text-decoration: none;color: orange " target="_blank" href="' .home_url(). '/">'. get_option("blogname") .'</a>的回复</h3>
        <br>
        <p style="font-size: 14px;">您在文章《' . get_the_title($comment->comment_post_ID) . '》上发表的评论：</p>
        <p style="border-bottom:#ddd 1px solid;border-left:#ddd 1px solid;padding-bottom:20px;background-color:#eee;margin:15px 0px;padding-left:20px;padding-right:20px;border-top:#ddd 1px solid;border-right:#ddd 1px solid;padding-top:20px">'
        . trim(get_comment($parent_id)->comment_content) . '</p>
        <p style="font-size: 14px;">' . trim($comment->comment_author) . ' 给您的回复如下：</p>
        <p style="border-bottom:#ddd 1px solid;border-left:#ddd 1px solid;padding-bottom:20px;background-color:#eee;margin:15px 0px;padding-left:20px;padding-right:20px;border-top:#ddd 1px solid;border-right:#ddd 1px solid;padding-top:20px">'
        . trim($comment->comment_content) . '</p>

      <div style="text-align: center;">
          <img src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.4/img/other/hr.png" alt="hr" style="width:100%;
                                                                                                  margin:5px auto 5px auto;
                                                                                                  display: block;">
          <a style="text-transform: uppercase;
                      text-decoration: none;
                      font-size: 14px;
                      border: 2px solid #6c7575;
                      color: #2f3333;
                      padding: 10px;
                      display: inline-block;
                      margin: 10px auto 0; " target="_blank" href="' . htmlspecialchars(get_comment_link($parent_id)) . '">点击查看回复的完整內容</a>
      </div>
        <p style="font-size: 12px;text-align: center;color: #999;">本邮件为系统自动发出，请勿直接回复<br>
        &copy; '.date(Y).' '.get_option("blogname").'</p>
      </div>       
    </div>
';
    $message = convert_smilies($message);
    $message = str_replace("{{",'<img src="https://cdn.jsdelivr.net/gh/moezx/cdn@2.9.4/img/bili/hd/ic_emoji_',$message);
    $message = str_replace("}}",'.png" alt="emoji" style="height: 2em; max-height: 2em;">',$message);
    
    $message =  str_replace('{UPLOAD}', 'https://i.loli.net/', $message); 
    $message =  str_replace('[/img][img]', '[/img^img]', $message);  
    
    $message =  str_replace('[img]', '<img src="', $message); 
    $message =  str_replace('[/img]', '" style="width:80%;display: block;margin-left: auto;margin-right: auto;">', $message); 
    
    $message =  str_replace('[/img^img]', '" style="width:80%;display: block;margin-left: auto;margin-right: auto;"><img src="', $message);
    $from = "From: \"" . get_option('blogname') . "\" <$wp_email>";
    $headers = "$from\nContent-Type: text/html; charset=" . get_option('blog_charset') . "\n";
    wp_mail( $to, $subject, $message, $headers );
  }
}
add_action('comment_post', 'comment_mail_notify');

/*
 * 链接新窗口打开
 */
function rt_add_link_target( $content ){
    $content =  str_replace('<a', '<a rel="nofollow"', $content); 
	// use the <a> tag to split into segments
	$bits = explode( '<a ', $content );
	// loop though the segments
	foreach( $bits as $key=>$bit ){
	    // fix the target="_blank" bug after the link
	    if ( strpos( $bit, 'href' ) === false ) continue;
	    // fix the target="_blank" bug in the codeblock
	    if ( strpos( preg_replace('/code([\s\S]*?)\/code[\s]*/m','temp',$content), $bit ) === false )  continue;
		// find the end of each link
		$pos = strpos( $bit, '>' );
		// check if there is an end (only fails with malformed markup)
		if( $pos !== false ){
			// get a string with just the link's attibutes
			$part = substr( $bit, 0, $pos );
			// for comparison, get the current site/network url
			$siteurl = network_site_url();
			// if the site url is in the attributes, assume it's in the href and skip, also if a target is present
			if( strpos( $part, $siteurl ) === false && strpos( $part, 'target=' ) === false ){
				// add the target attribute
				$bits[$key] = 'target="_blank" ' . $bits[$key];
			}
		}
	}
	// re-assemble the content, and return it
	return implode( '<a ', $bits );
}
add_filter( 'comment_text', 'rt_add_link_target' );

// 评论通过BBCode插入图片
function comment_picture_support($content) {
    $content =  str_replace('http://', 'https://', $content); // 干掉任何可能的 http
    $content =  str_replace('{UPLOAD}', 'https://i.loli.net/', $content); 
    $content =  str_replace('[/img][img]', '[/img^img]', $content); 
    $content =  str_replace('[img]', '<br><img src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.0.2/img/svg/loader/trans.ajax-spinner-preloader.svg" data-src="', $content); 
    $content =  str_replace('[/img]', '" class="lazyload comment_inline_img" onerror="imgError(this)"><br>', $content); 
    $content =  str_replace('[/img^img]', '" class="lazyload comment_inline_img" onerror="imgError(this)"><img src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.0.2/img/svg/loader/trans.ajax-spinner-preloader.svg" data-src="', $content); 
    return $content;
}
add_filter( 'comment_text', 'comment_picture_support' );

/*
 * 修改评论表情调用路径
 */
add_filter('smilies_src','custom_smilies_src',1,10);
function custom_smilies_src ($img_src,$img,$siteurl){
    return 'https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.9/img/Sakura/images/smilies/'.$img;
}
// 简单遍历系统表情库，今后应考虑标识表情包名——使用增加的扩展名，同时保留原有拓展名
// 还有一个思路是根据表情调用路径来判定<-- 此法最好！
// 贴吧
function push_smilies(){
    global $wpsmiliestrans;
    foreach ($wpsmiliestrans as $k => $v) {
        $Sname = str_replace(":","",$k);
        $Svalue = $v;
        $return_smiles = $return_smiles . '<span title="'.$Sname.'" onclick="grin('."'".$Sname."'".')"><img src="https://cdn.jsdelivr.net/gh/moezx/cdn@3.1.9/img/Sakura/images/smilies/'.$Svalue.'" /></span>';
    }
  return $return_smiles;
}

function smilies_reset() {
global $wpsmiliestrans;
// don't bother setting up smilies if they are disabled
if ( !get_option( 'use_smilies' ) )
    return;

    $wpsmiliestrans = array(
        ':good:' => 'icon_good.gif',
        ':han:' => 'icon_han.gif',
        ':spray:' => 'icon_spray.gif',
        ':Grievance:' => 'icon_Grievance.gif',
        ':shui:' => 'icon_shui.gif',
        ':reluctantly:' => 'icon_reluctantly.gif',
        ':anger:' => 'icon_anger.gif',
        ':tongue:' => 'icon_tongue.gif',
        ':se:' => 'icon_se.gif',
        ':haha:' => 'icon_haha.gif',
        ':rmb:' => 'icon_rmb.gif',
        ':doubt:' => 'icon_doubt.gif',
        ':tear:' => 'icon_tear.gif',
        ':surprised2:' => 'icon_surprised2.gif',
        ':Happy:' => 'icon_Happy.gif',
        ':ku:' => 'icon_ku.gif',
        ':surprised:' => 'icon_surprised.gif',
        ':theblackline:' => 'icon_theblackline.gif',
        ':smilingeyes:' => 'icon_smilingeyes.gif',
        ':spit:' => 'icon_spit.gif',
        ':huaji:' => 'icon_huaji.gif',
        ':bbd:' => 'icon_bbd.gif',
        ':hu:' => 'icon_hu.gif',
        ':shame:' => 'icon_shame.gif',
        ':naive:' => 'icon_naive.gif',
        ':rbq:' => 'icon_rbq.gif',
        ':britan:' => 'icon_britan.gif',
        ':aa:' => 'icon_aa.gif',
        ':niconiconi:' => 'icon_niconiconi.gif',
        ':niconiconi-t:' => 'icon_niconiconi_t.gif',
        ':niconiconit:' => 'icon_niconiconit.gif',
        ':awesome:' => 'icon_awesome.gif',
    );
}
smilies_reset();

function push_emoji_panel() {
    return '
        <a class="emoji-item">(⌒▽⌒)</a>
        <a class="emoji-item">（￣▽￣）</a>
        <a class="emoji-item">(=・ω・=)</a>
        <a class="emoji-item">(｀・ω・´)</a>
        <a class="emoji-item">(〜￣△￣)〜</a>
        <a class="emoji-item">(･∀･)</a>
        <a class="emoji-item">(°∀°)ﾉ</a>
        <a class="emoji-item">(￣3￣)</a>
        <a class="emoji-item">╮(￣▽￣)╭</a>
        <a class="emoji-item">(´_ゝ｀)</a>
        <a class="emoji-item">←_←</a>
        <a class="emoji-item">→_→</a>
        <a class="emoji-item">(&lt;_&lt;)</a>
        <a class="emoji-item">(&gt;_&gt;)</a>
        <a class="emoji-item">(;¬_¬)</a>
        <a class="emoji-item">("▔□▔)/</a>
        <a class="emoji-item">(ﾟДﾟ≡ﾟдﾟ)!?</a>
        <a class="emoji-item">Σ(ﾟдﾟ;)</a>
        <a class="emoji-item">Σ(￣□￣||)</a>
        <a class="emoji-item">(’；ω；‘)</a>
        <a class="emoji-item">（/TДT)/</a>
        <a class="emoji-item">(^・ω・^ )</a>
        <a class="emoji-item">(｡･ω･｡)</a>
        <a class="emoji-item">(●￣(ｴ)￣●)</a>
        <a class="emoji-item">ε=ε=(ノ≧∇≦)ノ</a>
        <a class="emoji-item">(’･_･‘)</a>
        <a class="emoji-item">(-_-#)</a>
        <a class="emoji-item">（￣へ￣）</a>
        <a class="emoji-item">(￣ε(#￣)Σ</a>
        <a class="emoji-item">ヽ(‘Д’)ﾉ</a>
        <a class="emoji-item">（#-_-)┯━┯</a>
        <a class="emoji-item">(╯°口°)╯(┴—┴</a>
        <a class="emoji-item">←◡←</a>
        <a class="emoji-item">( ♥д♥)</a>
        <a class="emoji-item">_(:3」∠)_</a>
        <a class="emoji-item">Σ&gt;―(〃°ω°〃)♡→</a>
        <a class="emoji-item">⁄(⁄ ⁄•⁄ω⁄•⁄ ⁄)⁄</a>
        <a class="emoji-item">(╬ﾟдﾟ)▄︻┻┳═一</a>
        <a class="emoji-item">･*･:≡(　ε:)</a>
        <a class="emoji-item">(笑)</a>
        <a class="emoji-item">(汗)</a>
        <a class="emoji-item">(泣)</a>
        <a class="emoji-item">(苦笑)</a>
    ';
}

function get_wp_root_path() {
    $base = dirname(__FILE__);
    $path = false;

    if (@file_exists(dirname(dirname($base))))
    {
        $path = dirname(dirname($base));
    }
    else
    if (@file_exists(dirname(dirname(dirname($base)))))
    {
        $path = dirname(dirname(dirname($base)));
    }
    else
    $path = false;

    if ($path != false)
    {
        $path = str_replace("\\", "/", $path);
    }
    return $path;
}

// bilibili smiles
$bilismiliestrans = array();
function push_bili_smilies(){
  global $bilismiliestrans;
  $smiles_path = get_wp_root_path(). "/themes/Sakura/images/smilies/bili/";
  $name = array( 'baiyan','fadai','koubi','qinqin','weiqu','bishi','fanu','kun','se','weixiao','bizui','ganga','lengmo','shengbing','wunai','chan','guilian','liubixue','shengqi','xiaoku','daku','guzhang','liuhan','shuizhao','xieyanxiao','dalao','haixiu','liulei','sikao','yiwen','dalian','heirenwenhao','miantian','tiaokan','yun','dianzan','huaixiao','mudengkoudai','tiaopi','zaijian','doge','jingxia','nanguo','touxiao','zhoumei','facai','keai','outu','tuxue','zhuakuang' );
  $return_smiles = '';
  for( $i=0;$i<count($name);$i++ ){ 
    $img_size = getimagesize($smiles_path . $name[$i] . ".png");
    $img_height = $img_size["1"];
    // 选择面版
    $return_smiles = $return_smiles . '<span class="emotion-secter emotion-item emotion-select-parent" onclick="grin('."'".$name[$i]."'".',type = \'Math\')" style="background-image: url(https://cdn.jsdelivr.net/gh/moezx/cdn@2.9.4/img/bili/hd/ic_emoji_' .$name[$i]. '.png);"><div class="img emotion-select-child" style="background-image: url(https://cdn.jsdelivr.net/gh/moezx/cdn@2.9.4/img/bili/' .$name[$i]. '.png);
        animation-duration: ' .($img_height / 32 * 40). 'ms;
        animation-timing-function: steps(' .($img_height / 32). ');
        transform: translateY(-' .($img_height - 32). 'px);
        height: ' .$img_height. 'px;
        "></div></span>';
    // 正文转换
    $bilismiliestrans['{{' . $name[$i] . '}}'] = '<span class="emotion-inline emotion-item"><img src="https://cdn.jsdelivr.net/gh/moezx/cdn@2.9.4/img/bili/' .$name[$i]. '.png" class="img" style="/*background-image: url();*/
        animation-duration: ' .($img_height / 32 * 40). 'ms;
        animation-timing-function: steps(' .($img_height / 32). ');
        transform: translateY(-' .($img_height - 32). 'px);
        height: ' .$img_height. 'px;
        "></span>';
    }
    return $return_smiles;
}
push_bili_smilies();

function bili_smile_filter($content) {
    global $bilismiliestrans;
    $content =  str_replace(array_keys($bilismiliestrans), $bilismiliestrans, $content); 
    return $content;
}
add_filter('the_content', 'bili_smile_filter'); //替换文章关键词
add_filter( 'comment_text', 'bili_smile_filter' );//替换评论关键词

function featuredtoRSS($content) {
    global $post;
    if ( has_post_thumbnail( $post->ID ) ){
        $content = '<div>' . get_the_post_thumbnail( $post->ID, 'medium', array( 'style' => 'margin-bottom: 15px;' ) ) . '</div>' . $content;
    }
    return $content;
}
add_filter('the_excerpt_rss', 'featuredtoRSS');
add_filter('the_content_feed', 'featuredtoRSS');

//
function bili_smile_filter_rss($content) {
    $content = str_replace("{{",'<img src="https://cdn.jsdelivr.net/gh/moezx/cdn@2.9.4/img/bili/hd/ic_emoji_',$content);
    $content = str_replace("}}",'.png" alt="emoji" style="height: 2em; max-height: 2em;">',$content);
    $content =  str_replace('[img]', '<img src="', $content); 
    $content =  str_replace('[/img]', '" style="display: block;margin-left: auto;margin-right: auto;">', $content); 
    return $content;
}
add_filter( 'comment_text_rss', 'bili_smile_filter_rss' );//替换评论rss关键词

function toc_support($content) {
    $content =  str_replace('[toc]', '<div class="has-toc have-toc"></div>', $content); // TOC 支持
    $content =  str_replace('[begin]', '<span class="begin">', $content); // 首字格式支持
    $content =  str_replace('[/begin]', '</span>', $content); // 首字格式支持
    return $content;
}
add_filter('the_content', 'toc_support');
add_filter('the_excerpt_rss', 'toc_support');
add_filter('the_content_feed', 'toc_support');

// 显示访客当前 IP
function get_the_user_ip() {
if ( ! empty( $_SERVER['HTTP_CLIENT_IP'] ) ) {
//check ip from share internet
$ip = $_SERVER['HTTP_CLIENT_IP'];
} elseif ( ! empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
//to check ip is pass from proxy
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} else {
$ip = $_SERVER['REMOTE_ADDR'];
}
return apply_filters( 'wpb_get_ip', $ip );
}
 
add_shortcode('show_ip', 'get_the_user_ip');


/*歌词*/
function hero_get_lyric() {
	/** These are the lyrics to Hero */
	$lyrics = "";

	// Here we split it into lines
	$lyrics = explode( "\n", $lyrics );

	// And then randomly choose a line
	return wptexturize( $lyrics[ mt_rand( 0, count( $lyrics ) - 1 ) ] );
}

// This just echoes the chosen line, we'll position it later
function hello_hero() {
	$chosen = hero_get_lyric();
	echo $chosen;
}

/*私密评论*/
add_action('wp_ajax_nopriv_siren_private', 'siren_private');
add_action('wp_ajax_siren_private', 'siren_private');
function siren_private(){
    $comment_id = $_POST["p_id"];
    $action = $_POST["p_action"];
    if ($action == 'set_private') {
        update_comment_meta($comment_id, '_private', 'true');
        $i_private = get_comment_meta($comment_ID, '_private', true);
        if (!empty($i_private)) {
            echo '否';
        } else {
            echo '是';
        }
    }
    die;
}

//时间序列
function memory_archives_list() {
	if( true ){
		$output = '<div id="archives"><p style="text-align:right;">[<span id="al_expand_collapse">'.__( "All expand/collapse", "sakura" )/*全部展开/收缩*/.'</span>]<!-- (注: 点击月份可以展开)--></p>';
		$the_query = new WP_Query( 'posts_per_page=-1&ignore_sticky_posts=1&post_type=post' ); //update: 加上忽略置顶文章
		$year=0; $mon=0; $i=0; $j=0;
		while ( $the_query->have_posts() ) : $the_query->the_post();
			$year_tmp = get_the_time('Y');
            $mon_tmp = get_the_time('m');
            $y=$year; $m=$mon;
            if ($mon != $mon_tmp && $mon > 0) $output .= '</ul></li>';
            if ($year != $year_tmp && $year > 0) $output .= '</ul>';
            if ($year != $year_tmp) {
                $year = $year_tmp;
                $output .= '<h3 class="al_year">'. $year . __(" ","year","sakura"). /*年*/' </h3><ul class="al_mon_list">'; //输出年份
            }
            if ($mon != $mon_tmp) {
                $mon = $mon_tmp;
                $output .= '<li class="al_li"><span class="al_mon"><span style="color:#0bf;">'.get_the_time('M').'</span> (<span id="post-num"></span>'.__(" post(s)","sakura") /*篇文章*/.')</span><ul class="al_post_list">'; //输出月份
            }
            $output .= '<li>'.'<a href="'. get_permalink() .'"><span style="color:#0bf;">'/*get_the_time('d'.__(" ","sakura")) 日*/.'</span>'. get_the_title() .' <span>('.get_post_views(get_the_ID()).' <span class="fa fa-fire" aria-hidden="true"></span> / '. get_comments_number('0', '1', '%') .' <span class="fa fa-commenting" aria-hidden="true"></span>)</span></a></li>'; //输出文章日期和标题
        endwhile;
        wp_reset_postdata();
        $output .= '</ul></li></ul> <!--<ul class="al_mon_list"><li><ul class="al_post_list" style="display: block;"><li>博客已经萌萌哒运行了<span id="monitorday"></span>天</li></ul></li></ul>--></div>';
        #update_option('memory_archives_list', $output);
	}
    echo $output;
}

/*
 * 隐藏 Dashboard
 */
/* Remove the "Dashboard" from the admin menu for non-admin users */
function remove_dashboard () {
    global $current_user, $menu, $submenu;
    wp_get_current_user();

    if( ! in_array( 'administrator', $current_user->roles ) ) {
        reset( $menu );
        $page = key( $menu );
        while( ( __( 'Dashboard' ) != $menu[$page][0] ) && next( $menu ) ) {
            $page = key( $menu );
        }
        if( __( 'Dashboard' ) == $menu[$page][0] ) {
            unset( $menu[$page] );
        }
        reset($menu);
        $page = key($menu);
        while ( ! $current_user->has_cap( $menu[$page][1] ) && next( $menu ) ) {
            $page = key( $menu );
        }
        if ( preg_match( '#wp-admin/?(index.php)?$#', $_SERVER['REQUEST_URI'] ) &&
            ( 'index.php' != $menu[$page][2] ) ) {
                wp_redirect( get_option( 'siteurl' ) . '/wp-admin/profile.php');
        }
    }
}
add_action('admin_menu', 'remove_dashboard');

/**
 * Filter the except length to 20 words. 限制摘要长度
 *
 * @param int $length Excerpt length.
 * @return int (Maybe) modified excerpt length.
 */

function GBsubstr($string, $start, $length) {
    if (strlen($string) > $length) {
        $str = null;
        $len = 0;
        $i = $start;
        while ( $len < $length) {
        if (ord(substr($string, $i, 1)) > 0xc0) {
            $str .=substr($string, $i, 3);
            $i+= 3;
        }elseif (ord(substr($string, $i, 1)) > 0xa0) {
            $str .= substr($string, $i, 2);
            $i+= 2;
        }else {
            $str.=substr($string, $i, 1);
            $i++;
        }
        $len ++;
        }
        return $str;
    }else {
        return $string;
    }
}
 
function excerpt_length($exp) {
    if (!function_exists('mb_substr')) {
        $exp = GBsubstr($exp, 0, 80);
    } else {
        /*
         * To use mb_substr() function, you should uncomment "extension=php_mbstring.dll" in php.ini
         */
        $exp = mb_substr($exp, 0, 80);
    }
	return $exp;
}
add_filter( 'the_excerpt', 'excerpt_length' );


/*
 * 后台路径
 */
/*
add_filter('site_url',  'wpadmin_filter', 10, 3);
 function wpadmin_filter( $url, $path, $orig_scheme ) {
  $old  = array( "/(wp-admin)/");
  $admin_dir = WP_ADMIN_DIR;
  $new  = array($admin_dir);
  return preg_replace( $old, $new, $url, 1);
 }
*/

function admin_ini() {
  wp_enqueue_style('admin-styles-fix-icon', get_site_url() . '/wp-includes/css/dashicons.css');
  wp_enqueue_style('cus-styles-fit', get_site_url() . '/wp-content/themes/Sakura/inc/css/dashboard-fix.css');
  wp_enqueue_script( 'lazyload', 'https://cdn.jsdelivr.net/npm/lazyload@2.0.0-beta.2/lazyload.min.js' );
}
add_action('admin_enqueue_scripts', 'admin_ini');

function custom_admin_js() {
    echo '<script>
    window.onload=function(){
        lazyload();
        
        try{
            document.querySelector("#scheme-tip .notice-dismiss").addEventListener("click", function(){
                location.href="?scheme-tip-dismissed'.BUILD_VERSION.'";
            });
        } catch(e){}
    }
    </script>';
}
add_action('admin_footer', 'custom_admin_js');

/*
 * 后台通知
 */
function scheme_tip() {
	$msg = '<b>Why not try the new admin dashboard color scheme <a href="/wp-admin/profile.php">here</a>?</b>';
	if ( get_user_locale( get_current_user_id() ) == "zh_CN") {
		$msg = '<b>试一试新后台界面<a href="/wp-admin/profile.php">配色方案</a>吧？</b>';
	}
	if ( get_user_locale( get_current_user_id() ) == "zh_TW") {
		$msg = '<b>試一試新後台界面<a href="/wp-admin/profile.php">色彩配置</a>吧？</b>';
	}
	if ( get_user_locale( get_current_user_id() ) == "ja") {
		$msg = '<b>新しい<a href="/wp-admin/profile.php">管理画面の配色</a>を試しますか？</b>';
	}
	if ( get_user_locale( get_current_user_id() ) == "ja-JP") {
		$msg = '<b>新しい<a href="/wp-admin/profile.php">管理画面の配色</a>を試しますか？</b>';
	}
    
    $user_id = get_current_user_id();
    if ( !get_user_meta( $user_id, 'scheme-tip-dismissed'.BUILD_VERSION ) ) {
        echo '<div class="notice notice-success is-dismissible" id="scheme-tip"><p><b>'.$msg.'</b></p></div>';
    }
}

add_action( 'admin_notices', 'scheme_tip' );

function scheme_tip_dismissed() {
    $user_id = get_current_user_id();
    if ( isset( $_GET['scheme-tip-dismissed'.BUILD_VERSION] ) )
        add_user_meta( $user_id, 'scheme-tip-dismissed'.BUILD_VERSION, 'true', true );
}
add_action( 'admin_init', 'scheme_tip_dismissed' );

//dashboard scheme
function dash_scheme($key, $name, $col1, $col2, $col3, $col4, $base, $focus, $current, $rules=""){
    $hash = "color_1=".str_replace("#","",$col1).
            "&color_2=".str_replace("#","",$col2).
            "&color_3=".str_replace("#","",$col3).
            "&color_4=".str_replace("#","",$col4).
            "&rules=".urlencode($rules);

    wp_admin_css_color(
        $key,
        $name,
        get_template_directory_uri()."/inc/dash-scheme.php?".$hash,
        array( $col1, $col2, $col3, $col4 ),
        array( 'base' => $base, 'focus' => $focus, 'current' => $current )
    );
}

//Sakura
dash_scheme($key="sakura", $name="Sakura🌸", 
            $col1='#8fbbb1', $col2='#bfd8d2', $col3='#fedcd2', $col4='#df744a', 
            $base="#e5f8ff", $focus="#fff", $current="#fff",
            $rules="#adminmenu .wp-has-current-submenu .wp-submenu a,#adminmenu .wp-has-current-submenu.opensub .wp-submenu a,#adminmenu .wp-submenu a,#adminmenu a.wp-has-current-submenu:focus+.wp-submenu a,#wpadminbar .ab-submenu .ab-item,#wpadminbar .quicklinks .menupop ul li a,#wpadminbar .quicklinks .menupop.hover ul li a,#wpadminbar.nojs .quicklinks .menupop:hover ul li a,.folded #adminmenu .wp-has-current-submenu .wp-submenu a{color:#f3f2f1}body{background-image:url(https://view.moezx.cc/images/2018/01/03/sakura.png);background-attachment:fixed;}#wpcontent{background:rgba(255,255,255,.0)}.wp-core-ui .button-primary{background:#bfd8d2!important;border-color:#8fbbb1 #8fbbb1 #8fbbb1!important;color:#fff!important;box-shadow:0 1px 0 #8fbbb1!important;text-shadow:0 -1px 1px #8fbbb1,1px 0 1px #8fbbb1,0 1px 1px #8fbbb1,-1px 0 1px #8fbbb1!important}");
       
//custom
dash_scheme($key="custom", $name="Custom", 
            $col1=akina_option('dash_scheme_color_a'), $col2=akina_option('dash_scheme_color_b'), $col3=akina_option('dash_scheme_color_c'), $col4=akina_option('dash_scheme_color_d'), 
            $base=akina_option('dash_scheme_color_base'), $focus=akina_option('dash_scheme_color_focus'), $current=akina_option('dash_scheme_color_current'),
            $rules=akina_option('dash_scheme_css_rules'));

//Set Default Admin Color Scheme for New Users
function set_default_admin_color($user_id) {
    $args = array(
        'ID' => $user_id,
        'admin_color' => 'sunrise'
    );
    wp_update_user( $args );
}
//add_action('user_register', 'set_default_admin_color');            

//Stop Users From Switching Admin Color Schemes
//if ( !current_user_can('manage_options') ) remove_action( 'admin_color_scheme_picker', 'admin_color_scheme_picker' );

// WordPress Custom Font @ Admin
function custom_admin_open_sans_font() {
    echo '<link href="https://fonts.googleapis.com/css?family=Noto+Serif+SC&display=swap" rel="stylesheet">' . PHP_EOL;
    echo '<style>body, #wpadminbar *:not([class="ab-icon"]), .wp-core-ui, .media-menu, .media-frame *, .media-modal *{font-family:"Noto Serif SC","Source Han Serif SC","Source Han Serif","source-han-serif-sc","PT Serif","SongTi SC","MicroSoft Yahei",Georgia,serif !important;}</style>' . PHP_EOL;
}
add_action( 'admin_head', 'custom_admin_open_sans_font' );

// WordPress Custom Font @ Admin Frontend Toolbar
function custom_admin_open_sans_font_frontend_toolbar() {
    if(current_user_can('administrator')) {
        echo '<link href="https://fonts.googleapis.com/css?family=Noto+Serif+SC&display=swap" rel="stylesheet">' . PHP_EOL;
        echo '<style>#wpadminbar *:not([class="ab-icon"]){font-family:"Noto Serif SC","Source Han Serif SC","Source Han Serif","source-han-serif-sc","PT Serif","SongTi SC","MicroSoft Yahei",Georgia,serif !important;}</style>' . PHP_EOL;
    }
}
add_action( 'wp_head', 'custom_admin_open_sans_font_frontend_toolbar' );

// WordPress Custom Font @ Admin Login
function custom_admin_open_sans_font_login_page() {
    if(stripos($_SERVER["SCRIPT_NAME"], strrchr(wp_login_url(), '/')) !== false) {
        echo '<link href="https://fonts.googleapis.com/css?family=Noto+Serif+SC&display=swap" rel="stylesheet">' . PHP_EOL;
        echo '<style>body{font-family:"Noto Serif SC","Source Han Serif SC","Source Han Serif","source-han-serif-sc","PT Serif","SongTi SC","MicroSoft Yahei",Georgia,serif !important;}</style>' . PHP_EOL;
	}
}
add_action( 'login_head', 'custom_admin_open_sans_font_login_page' );

// 阻止垃圾注册
add_action( 'register_post', 'codecheese_register_post', 10, 3 );
     
function codecheese_register_post( $sanitized_user_login, $user_email, $errors ) {
        
	// Blocked domains  
	$domains = array(   'net.buzzcluby.com', 
                        'buzzcluby.com',
                        'mail.ru',
                        'h.captchaeu.info',
                        'edge.codyting.com');
        
	// Get visitor email domain
        $email = explode( '@', $user_email );
        
	// Check and display error message for the registration form if exists
	if( in_array( $email[1], $domains ) )
		$errors->add('invalid_email', __('<b>ERROR</b>: This email domain (<b>@'.$email[1].'</b>) has been blocked. Please use another email.'));
}

// html 标签处理器
function html_tag_parser($content) {  
    if(!is_feed()) {  
        if(akina_option('lazyload') && akina_option('lazyload_spinner')){
            $content=preg_replace(
                '/<img(.+)src=[\'"]([^\'"]+)[\'"](.*)>/i',
                "<img $1 class=\"lazyload\" data-src=\"$2\" src=\"".akina_option('lazyload_spinner')."\" onerror=\"imgError(this)\" $3 >\n<noscript>$0</noscript>",
                $content
            ); 
        } 
        
        //Fancybox
        /* Markdown Regex Pattern for Matching URLs:             
         * https://daringfireball.net/2010/07/improved_regex_for_matching_urls
         */
        $url_regex ='((?:https?:\/\/|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:\'".,<>?«»“”‘’]))';
        
        //With Thumbnail: !{alt}(url)[th_url]
        if (preg_match_all('/\!\{.*?\)\[.*?\]/i', $content,$matches)){
        $i=0;
        foreach ($matches as $val) {
            $content=str_replace($val[$i],preg_replace(
                    '/!\{([^\{\}]+)*\}\('.$url_regex.'\)\['.$url_regex.'\]/i',
                    '<a data-fancybox="gallery" 
                        data-caption="$1"
                        class="fancybox" 
                        href="$2" 
                        alt="$1" 
                        title="$1"><img src="$7" target="_blank" rel="nofollow" class="fancybox"></a>',
                    $val[$i]),
                $content);
            $i++;
            }
        }
        
        //Without Thumbnail :!{alt}(url)
        $content=preg_replace(
            '/!\{([^\{\}]+)*\}\('.$url_regex.'\)/i',
            '<a data-fancybox="gallery" 
                data-caption="$1"
                class="fancybox"
                href="$2"
                alt="$1" 
                title="$1"><img src="$2" target="_blank" rel="nofollow" class="fancybox"></a>',
            $content
        );
        
        //Github cards
        $content=preg_replace(
            '/\[github repo=[\'"]([^\'"]+)[\'"]\]/i',
            '
            <iframe frameborder="0" scrolling="0" allowtransparency="true" 
                    src="https://api.2heng.xin/github-card/?repo=$1" 
                    width="400" height="153"
                    style="margin-left: 50%; transform: translateX(-50%);"></iframe>
            ',
            $content
        );
    }  
    return $content; 
}
add_filter('the_content', 'html_tag_parser'); //替换文章关键词
//add_filter( 'comment_text', 'html_tag_parser' );//替换评论关键词

/*
 * QQ 评论
 */
// 数据库插入评论表单的qq字段 
add_action('wp_insert_comment','sql_insert_qq_field',10,2);
function sql_insert_qq_field($comment_ID,$commmentdata) {
	$qq = isset($_POST['new_field_qq']) ? $_POST['new_field_qq'] : false;  
	update_comment_meta($comment_ID,'new_field_qq',$qq); // new_field_qq 是表单name值，也是存储在数据库里的字段名字
}
// 后台评论中显示qq字段
add_filter( 'manage_edit-comments_columns', 'add_comments_columns' );
add_action( 'manage_comments_custom_column', 'output_comments_qq_columns', 10, 2 );
function add_comments_columns( $columns ){
    $columns[ 'new_field_qq' ] = __( 'QQ' );        // 新增列名称
    return $columns;
}
function output_comments_qq_columns( $column_name, $comment_id ){
    switch( $column_name ) {
		case "new_field_qq" :
		 // 这是输出值，可以拿来在前端输出，这里已经在钩子manage_comments_custom_column上输出了
		echo get_comment_meta( $comment_id, 'new_field_qq', true );
		break;
	}
}
/**
 * 头像调用路径 
 */
add_filter( 'get_avatar', 'change_avatar', 10, 3 );
function change_avatar($avatar){
    global $comment;
    if ($comment) {
        if( get_comment_meta( $comment->comment_ID, 'new_field_qq', true )){
            $qq_number =  get_comment_meta( $comment->comment_ID, 'new_field_qq', true );
            return '<img src="https://q2.qlogo.cn/headimg_dl?dst_uin='.$qq_number.'&spec=100" data-src="'.stripslashes($m[1]).'" class="lazyload avatar avatar-24 photo" alt="😀" width="24" height="24" onerror="imgError(this,1)">';
        }else{
            return $avatar ;
        }
    } else{
        return $avatar ;
    }
}

// default feature image
function DEFAULT_FEATURE_IMAGE() {
    if ( empty( akina_option('default_feature_image' )) ) {
        return get_template_directory_uri().'/feature/index.php?'.rand(1,1000);
        //return 'https://api.mashiro.top/feature/?'.rand(1,1000);
    } else {
        return akina_option('default_feature_image').'?'.rand(1,1000);
    }
}

//防止设置置顶文章造成的图片同侧bug
add_action( 'pre_get_posts', function( $q ){
    if ( $q->is_home() && $q->is_main_query() && $q->get( 'paged' ) > 1 )
        $q->set( 'post__not_in', get_option( 'sticky_posts' ) );
});

//评论回复
function sakura_comment_notify($comment_id){
    if ( !$_POST['mail-notify'] ) 
        update_comment_meta($comment_id,'mail_notify','false');
}
add_action('comment_post', 'sakura_comment_notify');

//侧栏小工具
if (akina_option('sakura_widget')) {
    if (function_exists('register_sidebar')) {
        register_sidebar(array(
            'name' => __('Sidebar'),//侧栏
            'id' => 'sakura_widget',
            'before_widget' => '<div class="widget %2$s">',
            'after_widget' => '</div>',
            'before_title' => '<div class="title"><h2>',
            'after_title' => '</h2></div>'
        ));
    }
}

// 评论Markdown解析
function markdown_parser($incoming_comment) {
    global $wpdb,$comment_markdown_content;
    $re = '/```([\s\S]*?)```[\s]*|`{1,2}[^`](.*?)`{1,2}|\[.*?\]\([\s\S]*?\)/m';
    if(preg_replace($re,'temp',$incoming_comment['comment_content']) != strip_tags(preg_replace($re,'temp',$incoming_comment['comment_content']))){
        siren_ajax_comment_err('评论只支持Markdown啦，见谅╮(￣▽￣)╭<br>Markdown Supported while <i class="fa fa-code" aria-hidden="true"></i> Forbidden');
        return( $incoming_comment );
    }
    $myCustomer = $wpdb->get_row("SELECT * FROM wp_comments");
    //Add column if not present.
    if (!isset($myCustomer->comment_markdown)) {
        $wpdb->query("ALTER TABLE wp_comments ADD comment_markdown text");
    }
    $comment_markdown_content = $incoming_comment['comment_content'];
    include 'inc/Parsedown.php';
    $Parsedown = new Parsedown();
    $incoming_comment['comment_content'] = $Parsedown->text($incoming_comment['comment_content']);
    return $incoming_comment;
}
add_filter('preprocess_comment' , 'markdown_parser');

//保存Markdown评论
function save_markdown_comment($comment_ID, $comment_approved) {
    global $wpdb,$comment_markdown_content;
    $comment = get_comment($comment_ID);
    $comment_content = $comment_markdown_content;
    //store markdow content
    $wpdb->query("UPDATE wp_comments SET comment_markdown='".$comment_content."' WHERE comment_ID='".$comment_ID."';");
}
add_action('comment_post', 'save_markdown_comment', 10, 2);

//打开评论HTML标签限制
function allow_more_tag_in_comment() {
	global $allowedtags;
	$allowedtags['pre'] = array('class'=>array());
	$allowedtags['code'] = array('class'=>array());
	$allowedtags['h1'] = array('class'=>array());
	$allowedtags['h2'] = array('class'=>array());
	$allowedtags['h3'] = array('class'=>array());
	$allowedtags['h4'] = array('class'=>array());
	$allowedtags['h5'] = array('class'=>array());
	$allowedtags['ul'] = array('class'=>array());
	$allowedtags['ol'] = array('class'=>array());
	$allowedtags['li'] = array('class'=>array());
	$allowedtags['td'] = array('class'=>array());
	$allowedtags['th'] = array('class'=>array());
	$allowedtags['tr'] = array('class'=>array());
	$allowedtags['table'] = array('class'=>array());
	$allowedtags['thead'] = array('class'=>array());
	$allowedtags['tbody'] = array('class'=>array());
	$allowedtags['span'] = array('class'=>array());
}
add_action('pre_comment_on_post', 'allow_more_tag_in_comment');
//code end