function comment_form( $args = array(), $post_id = null ) {
    global $id;

    if ( null === $post_id )
        $post_id = $id;
    else
        $id = $post_id;

    $commenter = wp_get_current_commenter();
    $user = wp_get_current_user();
    $user_identity = $user->exists() ? $user->display_name : '';

    $req = get_option( 'require_name_email' );
    $aria_req = ( $req ? " aria-required='true'" : '' );
    $fields =  array(
        'author' => '<p class="comment-form-author">' . '<label for="author">' . __( '' ) . '</label> ' . ( $req ? '<span class="required"></span>' : '' ) .
                    '<input id="author" name="author" placeholder="Имя*" type="text" value="' . esc_attr( $commenter['comment_author'] ) . '" size="30"' . $aria_req . ' /></p>',

        'email'  => '<p class="comment-form-email"><label for="email">' . __( '' ) . '</label> ' . ( $req ? '<span class="required"></span>' : '' ) .
                    '<input id="email" name="email" placeholder="Email*" type="text" value="' . esc_attr(  $commenter['comment_author_email'] ) . '" size="30"' . $aria_req . ' /></p>',

        'url'    => '<p class="comment-form-url"><label for="url">' . __( '' ) . '</label>' .
                    '<input id="url" name="url" placeholder="Website" type="text" value="' . esc_attr( $commenter['comment_author_url'] ) . '" size="30" /></p>',

        'age'    => '<p class="comment-form-age"><label for="age">' . __( '' ) . '</label>' . ( $req ? '<span class="required"></span>' : '' ) .
                    '<input id="age" name="age" placeholder="Возраст*" type="text" value="' . esc_attr( $commenter['comment_author_age'] ) . '" size="30" /></p>',
    );

    $required_text = sprintf( ' ' . __(' '), '<span class="required">*</span>' );
    $defaults = array(
        'fields'               => apply_filters( 'comment_form_default_fields', $fields ),
        'comment_field'        => '<p class="comment-form-comment"><textarea id="comment" name="comment" cols="45" rows="8" aria-required="true" placeholder="Ваш комментарий..."></textarea></p>',
        'must_log_in'          => '<p class="must-log-in">' . sprintf( __( 'You must be <a href="%s">logged in</a> to post a comment.' ), wp_login_url( apply_filters( 'the_permalink', get_permalink( $post_id ) ) ) ) . '</p>',
        'logged_in_as'         => '<p class="logged-in-as">' . sprintf( __( 'Logged in as <a href="%1$s">%2$s</a>. <a href="%3$s" title="Log out of this account">Log out?</a>' ), admin_url( 'profile.php' ), $user_identity, wp_logout_url( apply_filters( 'the_permalink', get_permalink( $post_id ) ) ) ) . '</p>',
        'comment_notes_before' => '<p class="comment-notes">' . __( '' ) . ( $req ? $required_text : '' ) . '</p>',
        'comment_notes_after'  => '<p class="form-allowed-tags">' . sprintf( __( 'You may use these <abbr title="HyperText Markup Language">HTML</abbr> tags and attributes: %s' ), ' <code>' . allowed_tags() . '</code>' ) . '</p>',
        'id_form'              => '',
        'id_submit'            => 'submit',
        'title_reply'          => __( 'Leave a Reply' ),
        'title_reply_to'       => __( 'Leave a Reply to %s' ),
        'cancel_reply_link'    => __( 'Cancel reply' ),
        'label_submit'         => __( 'Post Comment' ),
    );

    $args = wp_parse_args( $args, apply_filters( 'comment_form_defaults', $defaults ) );