Thêm trường điện thoại vào comment, bình luận trong wordpress

// Add phone number field

    function add_review_phone_field_on_comment_form() {
        echo '<p class="comment-form-phone"><label for="phone">' . __( 'Điện thoại', 'text-domain' ) . '<span class="required">*</span></label><input type="text" size="30" name="phone" maxlength="10" required="required" id="phone"/></p>';
    }
    add_action( 'comment_form_before_fields', 'add_review_phone_field_on_comment_form' );


    // Save phone number
    add_action( 'comment_post', 'save_comment_review_phone_field' );
    function save_comment_review_phone_field( $comment_id ){
        if( isset( $_POST['phone'] ) )
          update_comment_meta( $comment_id, 'phone', esc_attr( $_POST['phone'] ) );
    }

    function print_review_phone( $id ) {
        $val = get_comment_meta( $id, "phone", true );
        $title = $val ? '<strong class="review-phone">' . $val . '</strong>' : '';
        return $title;
    }

add_filter('manage_edit-comments_columns', 'my_add_comments_columns');

function my_add_comments_columns($my_cols) {

    $temp_columns = array(
        'phone' => 'Điện thoại'
    );
    $my_cols = array_slice($my_cols, 0, 3, true) + $temp_columns + array_slice($my_cols, 3, NULL, true);

    return $my_cols;
}

add_action('manage_comments_custom_column', 'my_add_comment_columns_content', 10, 2);

function my_add_comment_columns_content($column, $comment_ID) {
    global $comment;
    switch ($column) :

        case 'phone' : {

                echo get_comment_meta($comment_ID, 'phone', true);
                break;
            }
    endswitch;
}

.comment-form-phone {
    -ms-flex: 1;
    flex: 1;
}
.comment-form-author {
    order: 1;
}
.comment-form-phone {
    order: 2;
}
.comment-form-email {
    order: 3;
}
.comment-form-url {
    order: 4;
}
.comment-form-cookies-consent {
    order: 5;
}
.form-submit {
    order: 6;
}