我有一个这样的页面

phyiscs
---mechanics
---statics
---Universe

chemistry
---Reaction
---Equilibrium

biology
---Human body
---Polination

我想像这样展示page物理、化学、生物的孩子们

<div class="phy-child">
   <h1>Mechanics</h1>
   <h1>statics</h1>
   <h1>Universe</h1>
</div>

<div class="chem-child">
   <h1>Reaction</h1>
   <h1>Equilibrium</h1>
</div>

生物学也是如此

我尝试使用wordpress查询，但不知道应该在哪里插入物理等内容。。

<?php

$args = array(
    \'post_type\'      => \'page\',
    \'posts_per_page\' => -1,
    \'depth\'          =>  2,
    \'sort_column\'  => \'post_name\',
    \'post_parent\'    => $post->ID,
    \'order\'          => \'ASC\',
    \'orderby\'        => \'menu_order\'
 );


$parent = new WP_Query( $args );

if ( $parent->have_posts() ) : ?>

    <?php while ( $parent->have_posts() ) : $parent->the_post(); ?>

        <div id="parent-<?php the_ID(); ?>" class="parent-page">

            <h1><a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a></h1>

        </div>

    <?php endwhile; ?>

<?php endif; wp_reset_query(); ?>

有可能吗？谢谢

<?php

$args = array(
    \'post_type\'      => \'page\',
    \'posts_per_page\' => -1,
    \'depth\'          =>  2,
    \'sort_column\'  => \'post_name\',
    \'post_parent\'    => $post->ID,
    \'order\'          => \'ASC\',
    \'orderby\'        => \'menu_order\'
 );


$parent = new WP_Query( $args );

if ( $parent->have_posts() ) : ?>

  <div id="parent-<?php the_ID(); ?>" class="<?php echo $post->post_name; ?>-page">

    <?php while ( $parent->have_posts() ) : $parent->the_post(); ?>

        <h1><a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a></h1>

    <?php endwhile; ?>

  </div>

<?php endif; wp_reset_query(); ?>