WordPress - Código para pegar todas as imagens anexadas em um post

get_all_images_in_post.php

<?php
    $args = array(
        'post_parent'     => $post->ID,
        'post_type'       => 'attachment',
        'numberposts'     => -1, // show all
        'post_status'     => 'any',
        'post_mime_type'  => 'image',
        'orderby'         => 'menu_order',
        'order'           => 'ASC'
    );
    foreach ( $images as $image )
        echo wp_get_attachment_url( $image->ID );