functions.php

<?php
ini_set( 'display_errors', 1 );
if ( version_compare( $GLOBALS['wp_version'], '5.9', '<' ) ) {
    wp_die( 'Please upgrade to version 5.9 or higher' );
}
if ( ! defined( 'THEME_PATH' ) ) {
    define( 'THEME_PATH', get_template_directory() );
}
if ( ! defined( 'THEME_NAME' ) ) {
    define( 'THEME_NAME', wp_get_theme()->Name );
}
if ( ! defined( 'THEME_VERSION' ) ) {
    define( 'THEME_VERSION', wp_get_theme()->Version );
}

include_once( 'inc/core.php' ); // 核心

include_once( 'inc/base-customized.php' ); // 定制优化

// 挂载脚本
function biji_enqueue_scripts() {
    // WP自带图标
    wp_enqueue_style( 'dashicons' );
    wp_enqueue_style( 'wp-block-library' ); // WordPress 核心
    wp_enqueue_style( 'wp-block-library-theme' ); // WordPress 核心

    // remove_filter( 'render_block', 'wp_render_layout_support_flag', 10, 2 );

    // 草莓ICON PRO
    wp_enqueue_style( 'caomei', get_template_directory_uri() . '/static/caomei/style.css', [], THEME_VERSION );
    wp_enqueue_style( 'style', get_template_directory_uri() . '/style.css', [], THEME_VERSION );

    // 禁用jQuery
    wp_deregister_script( 'jquery' );
    // 咱们的主题使用Vue
    wp_enqueue_script( 'vue', '//cdn.staticfile.net/vue/2.6.14/vue.min.js', [], THEME_VERSION, true );
    // 开启代码高亮
    if ( get_theme_mod( 'biji_setting_prettify', true ) ) {
        wp_enqueue_script( 'prettify', '//cdn.staticfile.net/prettify/r298/prettify.js', [], THEME_VERSION, true );
    }
    wp_enqueue_script( 'helper', get_template_directory_uri() . '/static/helper.js', [], THEME_VERSION, false );
    wp_enqueue_script( 'package', get_template_directory_uri() . '/static/package.js', [], THEME_VERSION, false );
    wp_enqueue_script( 'language', get_template_directory_uri() . '/static/lang.js', [], THEME_VERSION, false );
    wp_enqueue_script( 'modules', get_template_directory_uri() . '/static/modules.js', [], THEME_VERSION, true );
    wp_enqueue_script( 'script', get_template_directory_uri() . '/static/script.js', [], THEME_VERSION, true );
    $avatar_url = parse_url( get_avatar_url( null ) );
    wp_localize_script( 'helper', 'BaseData', [
        'origin' => site_url(),
        'avatar' => "//" . $avatar_url["host"],
        'ajax'   => admin_url( 'admin-ajax.php' ),
        'rest'   => rest_url(),
        'nonce'  => wp_create_nonce( 'wp_rest' ),
        'pjax'   => get_theme_mod( 'biji_setting_pjax', true ),
        'lang'   => get_locale(),
    ] );
}

add_action( 'wp_enqueue_scripts', 'biji_enqueue_scripts', 1 );

// 添加特色缩略图支持
if ( function_exists( 'add_theme_support' ) ) {
    add_theme_support( 'post-thumbnails' );
}

// 附加元信息
function head_append_meta() {
    $metas = [
        'name'     => [
            'mobile-web-app-capable'     => 'yes',
            'apple-mobile-web-app-title' => get_bloginfo( 'name' ),
            'application-name'           => get_bloginfo( 'name' ),
        ],
        'property' => [
            'og:title'     => get_the_title(),
            'og:site_name' => get_bloginfo( 'name' ),
            'og:type'      => 'website',
        ]
    ];
    if ( is_single() || is_page() ) {
        $metas['property']['og:type'] = 'article';
        $metas['property']['og:url']  = get_permalink();
        if ( get_the_excerpt() ) {
            $metas['name']['description'] = $metas['property']['og:description'] = get_the_excerpt();
        }
        if ( $thumbnail = get_thumbnail() ) {
            $metas['property']['og:image'] = $thumbnail;
        }
        if ( $tags = get_the_tags() ) {
            $keyword                   = array_map( function ( $item ) {
                return $item->name;
            }, $tags );
            $metas['name']['keywords'] = $metas['property']['article:tag'] = implode( ',', $keyword );
        }
    }
    // 合并数组
    $metas['property'] += [
        'twitter:card' => 'summary_large_image',
        // 如果设置了推特账号，则添加creator属性
        // 'twitter:creator' => get_theme_mod( 'biji_setting_twitter' )
    ];
    foreach ( $metas as $type => $data ) {
        foreach ( $data as $key => $value ) {
            echo '<meta ' . $type . '="' . $key . '" content="' . $value . '" />' . "\n";
        }
    }
}

add_action( 'wp_head', 'head_append_meta', 1 );

// 网页标题支持
function biji_add_theme_support_title() {
    add_theme_support( 'title-tag' );
}

add_action( 'after_setup_theme', 'biji_add_theme_support_title' );

// 代码高亮
function dangopress_esc_html( $content ) {
    if ( ! get_theme_mod( 'biji_setting_prettify', true ) ) {
        return $content;
    }

    if ( ! is_feed() || ! is_robots() ) {
        $content = preg_replace( '/<code(.*?)>/i', "<code class=\"prettyprint\" \$1>", $content );
    }
    $regex = '/(<code.*?>)(.*?)(<\/code>)/sim';

    return preg_replace_callback( $regex, function ( $matches ) {
        $tag_open  = $matches[1];
        $content   = $matches[2];
        $tag_close = $matches[3];
        $content   = esc_html( $content );

        return $tag_open . $content . $tag_close;
    }, $content );
}

add_filter( 'the_content', 'dangopress_esc_html', 2 );
add_filter( 'comment_text', 'dangopress_esc_html', 2 );

// Bark推送
function bark_push_msg( $comment_id ) {
    if ( ! get_theme_mod( 'biji_setting_bark' ) ) {
        return false;
    }
    $comment = get_comment( $comment_id );
    // 如果是垃圾评论，则不推送
    if ( $comment->comment_approved === 'spam' ) {
        return false;
    }
    $token   = trim( get_theme_mod( 'biji_setting_bark' ) );
    $query   = [
        'group'  => trim( get_bloginfo( 'name' ) ),
        'icon' => get_avatar_url( $comment->comment_author_email ),
        'url'    => htmlspecialchars( get_comment_link( $comment_id ) ),
    ];
    $title   = urlencode(trim( get_the_title( $comment->comment_post_ID ) ) ?: $query['group']);
    $message = urlencode(trim( $comment->comment_author . '：' . $comment->comment_content ));
    if ( strpos( $query['avatar'], 'http' ) !== 0 ) {
        $query['avatar'] = 'https:' . $query['avatar'];
    }

    $stream = stream_context_create( [
        "ssl"  => [ "verify_peer" => false, "verify_peer_name" => false ], // 忽略SSL
        "http" => [ "timeout" => 10 ], // 超时时间-秒
    ] );

    return file_get_contents( "https://api.day.app/$token/$title/$message?" . http_build_query( $query ), false, $stream );
}

add_action( 'comment_post', 'bark_push_msg' );

// 评论邮件
function comment_mail_notify( $comment_id ) {
    $comment = get_comment( $comment_id );

    if ( (int) $comment->comment_parent > 0 && ( $comment->comment_approved != 'spam' ) ) {
        $wp_email = 'no-reply@' . preg_replace( '#^www.#', '', strtolower( $_SERVER['SERVER_NAME'] ) ); // e-mail 发出点, no-reply 可改为可用的 e-mail.
        $parent   = get_comment( $comment->comment_parent );
        $to       = trim( $parent->comment_author_email );
        $subject  = 'Your message in [' . get_option( "blogname" ) . '] has a new reply';
        $title    = trim( get_the_title( $comment->comment_post_ID ) );
        $message  = '<table cellspacing="0" border="0" cellpadding="0" align="center" width="100%" bgcolor="transparent" style="border-collapse: separate; border-spacing: 0; letter-spacing: 0; max-width: 580px;">
        <tbody>
            <tr>
                <td>
                    <table cellspacing="0" border="0" cellpadding="0" style="width: 100%;padding-top: 5%;border-spacing: 0;">
                        <tbody>
                            <tr>
                                <td style="padding: 10px 0; border-bottom: 1px dashed #ddd;line-height:20px;">
                                    <div style="float: left; font-weight: bold;font-size: 20px;">' . get_option( "blogname" ) . '</div>
                                    <div style="float: right; font-size: 14px; color: #AAB2BD;">' . get_option( "blogdescription" ) . '</div>
                                </td>
                            </tr>
                        </tbody>
                    </table>
                    <table width="100%" cellspacing="0" border="0" cellpadding="0" style="border-collapse: separate; border-spacing: 0; table-layout: fixed">
                        <tbody>
                            <tr>
                                <td style="color: #000; line-height: 1.6;">
                                    ' . ( $title ? "<h1 style=\"font-size: 28px; font-weight: bold; margin: 28px auto; text-align: center;\">$title</h1>" : "" ) . '
                                    <div style="height: 240px;background-color: #3274ff;"></div>
                                    <div style="margin: -120px 4% 0;background-color: #fff;font-size: 18px;padding: 8%;box-shadow: 0 0 0 1px rgb(0, 85, 255, 0.1), 3px 3px 0 rgb(0, 85, 255, 0.1);font-size: 14px;">
                                        <div style="margin-bottom: 8%;text-align: right;">
                                            <div style="display: inline-block;max-width: 80%;">
                                                <span style="color: #666;">' . trim( $parent->comment_author ) . '</span>
                                                <div style="background-color: #F5F7FA;border-radius: 10px;border-top-right-radius: 0;padding: 5% 8%;text-align: left;">
                                                    ' . trim( $parent->comment_content ) . '
                                                </div>
                                            </div>
                                            <img src="' . get_avatar_url( $to ) . '" style="border-radius: 50%;width: 15%;display: inline-block;vertical-align: top;margin-left: 2%;">
                                        </div>
                                        <div style="margin-bottom: 8%;">
                                            <img src="' . get_avatar_url( trim( $comment->comment_author_email ) ) . '" style="border-radius: 50%;width: 15%;display: inline-block;vertical-align: top;margin-right: 2%;">
                                            <div style="display: inline-block;max-width: 80%;">
                                                <span style="color: #666;">' . $comment->comment_author . '</span>
                                                <div style="background-color: #3274ff;color:#fff;border-radius: 10px;border-top-left-radius: 0;padding: 5% 8%;">
                                                    ' . trim( $comment->comment_content ) . '
                                                </div>
                                            </div>
                                        </div>
                                        <div style="border-top: 1px dashed #ddd;text-align: center;">
                                            <a target="_blank" href="' . htmlspecialchars( get_comment_link( $comment_id ) ) . '"
                                                style="background-color: #3274ff; border: none; color: white !important; margin: 8% auto 0; padding: 3% 0; width: 120px; display: inline-block;text-decoration: none;"
                                                rel="noopener">Reply now</a>
                                        </div>
                                    </div>
                                </td>
                            </tr>
                        </tbody>
                    </table>
                </td>
            </tr>
        </tbody>
    </table>
    
    <table width="100%" cellspacing="0" border="0" cellpadding="0" align="center" style="border-collapse: separate; border-spacing: 0; padding: 5% 0; table-layout: fixed; text-align: center">
        <tbody>
            <tr>
                <td style="font-size: 12px; padding: 0;">
                    <table cellspacing="0" border="0" cellpadding="0" align="center" width="100%" bgcolor="transparent"
                        style="border-collapse: separate; border-spacing: 0; letter-spacing: 0; max-width: 580px;">
                        <tbody>
                            <tr>
                                <td valign="top" align="center" style="font-size: 12px; color: #aaa;">
                                    <div>
                                        <p>This is an automatic email sent by the system, please do not reply directly.</p>
                                        <p>© ' . date( "Y" ) . ' <a href="' . get_option( "home" ) . '" style="color: #aaa;" target="_blank">' . get_option( "blogname" ) . '</a></p>
                                    </div>
                                </td>
                            </tr>
                        </tbody>
                    </table>
                </td>
            </tr>
        </tbody>
    </table>';
        $from     = "From: \"" . get_option( 'blogname' ) . "\" <$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' );

// 文章加密
function password_protected_change( $content ) {
    if ( post_password_required() ) {
        return '<form action="' . get_option( 'siteurl' ) . '/wp-login.php?action=postpass" method="post" class="post_password_form">
            <div class="form-group">
                <label class="form-label text-warning text-tiny" for="post_password">This article requires a password to view</label>
                <div class="d-flex">
                  <input class="form-input" id="post_password" name="post_password" type="password" size="20" placeholder="Please enter your password">
                  <input type="hidden" name="_wp_http_referer" value="' . get_permalink() . '" />
                  <div class="mx-1"></div>
                  <button class="btn btn-primary" type="submit" name="Submit">View Now</button>
                </div>
            </div>
        </form>';
    }

    return $content;
}

add_filter( 'the_content', 'password_protected_change' );

// 获取皮肤模式
function the_skin_mode() {
    $mode = $_COOKIE['skin-mode'] ?? get_theme_mod( 'biji_setting_mode', 'auto' );
    print $mode;
}

// 获取ICP备案号
function get_icp_num() {
    return get_option( 'zh_cn_l10n_icp_num' ) ?: get_theme_mod( 'biji_setting_icp' );
}

// 获取访客信息
function the_visitor_info() {
    $data = [];
    if ( is_user_logged_in() ) {
        $user            = wp_get_current_user();
        $data['user_id'] = $user->ID;
        $data['author']  = $user->display_name;
        $data['email']   = $user->user_email;
        $data['url']     = $user->user_url;
    } else {
        if ( isset( $_COOKIE[ 'comment_author_' . COOKIEHASH ] ) ) {
            $data['author'] = $_COOKIE[ 'comment_author_' . COOKIEHASH ];
        }
        if ( isset( $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] ) ) {
            $data['email'] = $_COOKIE[ 'comment_author_email_' . COOKIEHASH ];
        }
        if ( isset( $_COOKIE[ 'comment_author_url_' . COOKIEHASH ] ) ) {
            $data['url'] = $_COOKIE[ 'comment_author_url_' . COOKIEHASH ];
        }
    }
    print json_encode( $data, JSON_UNESCAPED_SLASHES );
}

// 获取作者信息
function the_author_info( $post_id = null ) {
    $post = get_post( $post_id );
    $data = [
        "display_name" => get_the_author_meta( 'display_name', $post->post_author ),
        "description"  => get_the_author_meta( 'description', $post->post_author ),
        "avatar"       => get_avatar_url( $post->post_author ),
    ];
    print json_encode( $data, JSON_UNESCAPED_SLASHES );
}

// 展示友情链接
function the_friendly_links( $post_id = null ) {
    $post_id = $post_id ?: get_the_ID();
    $links   = json_decode( get_post_meta( $post_id, 'links', true ) ?: "[]" );
    foreach ( $links as $link ) : ?>
        <li class="column col-4 col-sm-6 p-2">
            <a class="card uni-card uni-shadow flex-center text-center"
               href="<?= $link->url ?? 'javascript:void(0);' ?>"
               target="_blank">
                <span class="text-break mt-2"><?= $link->name ?? '--' ?></span>
                <span class="text-gray text-tiny text-break mb-2"><?= $link->description ?? '' ?></span>
            </a>
        </li>
    <?php endforeach;
}

// 获取点赞信息
function get_praise( $post_id = null ) {
    $post_id = $post_id ?: get_the_ID();

    return ( get_post_meta( $post_id, 'praise', true ) ?: 0 ) + ( get_post_meta( $post_id, 'dotGood', true ) ?: 0 );
}

// 全部配置完毕