// Thêm cột ảnh đại diện trong trang quản trị danh sách bài viết

add_filter(‘manage_post_posts_columns’, ‘fls_post_avatar_column’);

function fls_post_avatar_column($column_array) {

$thumb_size = get_option(‘thumbnail_size_w’);

$post_avatar_width = intval($thumb_size) + 50;

$cb_key = array_search(‘cb’, array_keys($column_array));

$column_array = array_slice($column_array, 0, $cb_key+1, true) +

array(‘post_avatar’ => ‘Avatar’) +

array_slice($column_array, $cb_key+1, null, true);

echo ‘<style>.column-post_avatar {width:’ . $post_avatar_width . ‘px;}</style>’;

return $column_array;

}

add_action(‘manage_posts_custom_column’, ‘fls_render_the_column’, 10, 2);

function fls_render_the_column($column_name, $post_id) {

if ($column_name == ‘post_avatar’) {

$thumb_id = get_post_thumbnail_id($post_id);

if ($thumb_id) {

echo ‘<img data-id=”‘ . esc_attr($thumb_id) . ‘” src=”‘ . esc_url(wp_get_attachment_url($thumb_id)) . ‘” style=”width:40px!important;height:40px!important;border-radius:6px;” />’;

} else {

echo ‘<span class=”dashicons dashicons-admin-media” style=”font-size: 2.5rem;”></span>’;

}

}

}