構造化マークアップFAQ

<?php if (is_post_type_archive('faq')): ?> 
  <script type="application/ld+json"> 
  { 
    "@context": "https://schema.org", 
    "@type": "FAQPage", 
    "mainEntity": [ 
    <?php 
      $newposts=get_posts('numberposts=-1&post_type=faq&orderby=date&order=ASC&exclude=1175'); 
      foreach($newposts as $post): 
      setup_postdata($post); 
    ?> 
      { 
        "@type": "Question", 
        "name": "<?php the_title(); ?>", 
        "acceptedAnswer": { 
          "@type": "Answer", 
          "text": "<?php echo mb_substr(strip_tags(apply_filters('the_content', $post->post_content)), 0, -1); ?>" 
        } 
      }, 
    <?php 
      endforeach; 
      wp_reset_postdata(); 
      $newposts=get_posts('numberposts=-1&post_type=faq&orderby=date&order=ASC&include=1175'); 
      foreach($newposts as $post): 
      setup_postdata($post); 
    ?> 
      { 
        "@type": "Question", 
        "name": "<?php the_title(); ?>", 
        "acceptedAnswer": { 
          "@type": "Answer", 
          "text": "<?php echo mb_substr(strip_tags(apply_filters('the_content', $post->post_content)), 0, -1); ?>" 
        } 
      } 
    <?php 
      endforeach; 
      wp_reset_postdata(); 
    ?> 
    ] 
  } 
  </script> 
<?php endif; ?>