wordpress JSON-LD example

wodpress_json_ld_page.php

<?php
  $type = "WebPage"; // BlogPosting, WebSite, Article, Person, SearchAction, NewsArticle
  $author_name = get_the_author_meta('display_name');
  $logo_url = "https://www.coffee-break-designs.com/wp-content/themes/coffee-break-designs-v8/img/logo.svg";
  $description = get_post_meta(get_the_id(), "_aioseop_description", true);
  $thumbnail_id = get_post_thumbnail_id();
  $imageobject = wp_get_attachment_image_src( $thumbnail_id, 'full' );
?>
<script type="application/ld+json">
{
  "@context": "http://schema.org",
  "@type": "<?= $type ?>",
  "mainEntityOfPage":{
    "@type":"WebPage",
    "@id":"<?php the_permalink() ?>"
  },
  "headline":"<?php the_title() ?>",
  "image": {
    "@type": "ImageObject",
    "url": "<?= $imageobject[0] ?>",
    "height": "<?= $imageobject[2] ?>",
    "width": "<?= $imageobject[1] ?>"
  },
  "datePublished": "<?= esc_attr( get_the_date( 'c' )) ?>",
  "dateModified": "<?= esc_attr( get_the_modified_date( 'c' )) ?>",
  "author": {
    "@type": "Person",
    "name": "<?= $author_name ?>"
  },
  "publisher": {
    "@type": "Organization",
    "name": "<?php bloginfo('name'); ?>",
    "logo": {
      "@type": "ImageObject",
      "url": "<?= $logo_url ?>",
      "width": 300,
      "height": 69
    }
  },
  "description": "<?= $description ?>"
}
</script>