定位：/wp-content/themes/zibll/func.php文件，没有这个文件自己创建一个，记得加上php头，要不然会报错，将下面的代码丢里面即可！

// 新版自定义文章前缀功能
function dearlicy_prefix_images()
{
    return array(
        'shice'       => 'https://img.alicdn.com/imgextra/i4/2210123621994/O1CN01FK4hQd1QbItM1FCfT_!!2210123621994.webp',
        'dujia'       => 'https://img.alicdn.com/imgextra/i1/2210123621994/O1CN01skvHXt1QbItQzaqUp_!!2210123621994.webp',
        'shoufa'      => 'https://img.alicdn.com/imgextra/i1/2210123621994/O1CN01Qpy6tJ1QbItQmw1iW_!!2210123621994.webp',
        'temai'       => 'https://img.alicdn.com/imgextra/i1/2210123621994/O1CN01o6UWba1QbItQuKH58_!!2210123621994.webp',
        'miaosha'     => 'https://img.alicdn.com/imgextra/i1/2210123621994/O1CN01rec2MG1QbItQNN19F_!!2210123621994.webp',
        'baiyibutie'  => 'https://img.alicdn.com/imgextra/i3/2210123621994/O1CN01kvk4c41QbItQr7Vnm_!!2210123621994.webp',
    );
}

if (!class_exists('DearLicy_Module')) {
    class DearLicy_Module
    {
        public static function DearLicy_imgtitle($images = array())
        {
            return array_merge($images, dearlicy_prefix_images());
        }
    }
}

if (class_exists('CSF')) {
    CSF::createMetabox('DearLicy_titles', array(
        'title'     => '标题前缀',
        'post_type' => 'post',
        'context'   => 'advanced',
        'data_type' => 'unserialize',
        'priority'  => 'high',
    ));

    CSF::createSection('DearLicy_titles', array(
        'fields' => array(
            array(
                'id'      => 'titles_moshi',
                'type'    => 'radio',
                'title'   => '模式选择',
                'desc'    => '图片模式支持多选预设前缀，也可选择自定义图片前缀',
                'inline'  => true,
                'options' => array(
                    'img'  => '图片',
                    'text' => '文字',
                ),
                'default' => 'img',
            ),
            array(
                'id'         => 'text',
                'type'       => 'text',
                'title'      => '文字模式',
                'desc'       => '建议两个字',
                'dependency' => array('titles_moshi', '==', 'text'),
            ),
            array(
                'id'         => 'text_bg_color',
                'type'       => 'palette',
                'title'      => '背景颜色',
                'desc'       => '部分颜色带有文字颜色，其余默认白色',
                'class'      => 'compact skin-color',
                'default'    => 'jb-vip2',
                'options'    => class_exists('CFS_Module') ? CFS_Module::zib_palette(array(), array('jb')) : array(),
                'dependency' => array('titles_moshi', '==', 'text'),
            ),
            array(
                'id'         => 'img',
                'type'       => 'image_select',
                'title'      => '选择预设图片前缀',
                'desc'       => '可同时选择多个图片前缀，前台按预设排列顺序显示',
                'multiple'   => true,
                'options'    => dearlicy_prefix_images(),
                'dependency' => array('titles_moshi', '==', 'img'),
            ),
            array(
                'id'          => 'custom_img_prefixes',
                'type'        => 'gallery',
                'title'       => '自定义图片前缀',
                'desc'        => '从媒体库选择多张图片作为标题前缀',
                'add_title'   => '选择前缀图片',
                'edit_title'  => '编辑前缀图片',
                'clear_title' => '清空前缀图片',
                'dependency'  => array('titles_moshi', '==', 'img'),
            ),
        ),
    ));
}

function dearlicy_get_selected_prefix_keys($value)
{
    if (empty($value)) {
        return array();
    }

    $keys = is_array($value) ? $value : array($value);
    $keys = array_map('sanitize_key', $keys);

    return array_values(array_intersect(array_keys(dearlicy_prefix_images()), $keys));
}

function dearlicy_get_custom_prefix_urls($value)
{
    if (empty($value)) {
        return array();
    }

    $urls = array();
    foreach ((is_array($value) ? $value : explode(',', $value)) as $item) {
        $attachment_id = is_array($item) ? absint($item['id'] ?? 0) : absint($item);
        $url = $attachment_id ? wp_get_attachment_image_url($attachment_id, 'full') : '';

        if (!$url && is_array($item) && !empty($item['url'])) {
            $url = $item['url'];
        }

        if (!$url && is_string($item) && filter_var($item, FILTER_VALIDATE_URL)) {
            $url = $item;
        }

        if ($url) {
            $urls[] = esc_url_raw($url);
        }
    }

    return array_values(array_filter(array_unique($urls)));
}

function dearlicy_prefix_img($url, $alt = 'prefix')
{
    return $url ? '<img class="DearLicy_prefix_img" src="' . esc_url($url) . '" alt="' . esc_attr($alt) . '" style="height:20px;pointer-events:none;margin-right:3px;vertical-align:-3px;"/>' : '';
}

function dearlicy_title_prefix_html($post_id)
{
    if (get_post_meta($post_id, 'titles_moshi', true) === 'text') {
        $text = get_post_meta($post_id, 'text', true);
        $color = get_post_meta($post_id, 'text_bg_color', true);
        return $text === '' ? '' : '<span class="DearLicy_prefix ' . esc_attr($color) . '">' . esc_html($text) . '</span> ';
    }

    $html = '';
    $images = dearlicy_prefix_images();
    $selected = dearlicy_get_selected_prefix_keys(get_post_meta($post_id, 'img', true));

    foreach ($selected as $key) {
        $html .= dearlicy_prefix_img($images[$key], $key);
    }

    foreach (dearlicy_get_custom_prefix_urls(get_post_meta($post_id, 'custom_img_prefixes', true)) as $index => $url) {
        $html .= dearlicy_prefix_img($url, 'custom-prefix-' . ($index + 1));
    }

    return $html;
}

function dearlicy_is_main_posts_list_title($post_id)
{
    global $wp_query;

    if (!$wp_query instanceof WP_Query || !$wp_query->in_the_loop || empty($wp_query->post->ID)) {
        return false;
    }

    if ((int) $wp_query->post->ID !== (int) $post_id) {
        return false;
    }

    foreach (debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 8) as $trace) {
        if (!empty($trace['function']) && $trace['function'] === 'zib_get_posts_list_title') {
            return true;
        }
    }

    return false;
}

function dearlicy_should_apply_title_prefix($post_id)
{
    if (!$post_id || is_admin() || is_singular() || is_feed() || get_post_type($post_id) !== 'post') {
        return false;
    }

    return dearlicy_is_main_posts_list_title($post_id);
}

function apply_dearlicy_prefixes_to_title($title, $id = null)
{
    if (!dearlicy_should_apply_title_prefix($id)) {
        return $title;
    }

    $prefix = dearlicy_title_prefix_html($id);

    return $prefix ? $prefix . $title : $title;
}
add_filter('the_title', 'apply_dearlicy_prefixes_to_title', 10, 2);

function dearlicy_title_prefix_admin_style()
{
    $screen = function_exists('get_current_screen') ? get_current_screen() : null;
    if (!$screen || $screen->post_type !== 'post') {
        return;
    }
    ?>
    <style>
        #DearLicy_titles .csf-field-image_select .csf--image {
            margin: 0 8px 8px 0;
            vertical-align: top;
        }

        #DearLicy_titles .csf-field-image_select figure {
            width: 112px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 6px 8px;
            box-sizing: border-box;
            border-radius: 4px;
        }

        #DearLicy_titles .csf-field-image_select img {
            width: auto;
            height: auto;
            max-width: 100%;
            max-height: 100%;
            display: block;
        }
    </style>
    <?php
}
add_action('admin_head-post.php', 'dearlicy_title_prefix_admin_style');
add_action('admin_head-post-new.php', 'dearlicy_title_prefix_admin_style');

CSS代码

定位：子比主题–>>自定义CSS样式

.DearLicy_prefix{
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    border-radius: 5px;
    padding: 5px 4px;
    margin-right: 3px;
    height: 19px;
    font-size: 12px;
    top: -3px;
    clip-path: polygon(7% 0, 99% 0, 93% 100%, 0 100%);
}
.DearLicy_prefix:after, .DearLicy_prefix:after {
    position: absolute;
    content: " ";
    display: block;
    left: -100%;
    top: -5px;
    width: 15px;
    height: 145%;
    background-image: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0));
    animation: sweepTitle 3s ease-in-out infinite;
    transform: rotate(28deg);
}
@keyframes sweepTitle {
    0% {
        left: -100%
    }

    100% {
        left: 100%
    }
}