Schema

schema.php

<?php
function schema_builder( $context ) {
  $html = '<script type= "application/ld+json">';
    $html .= '{';
      $html .= '"@context": "http://schema.org",';
      $html .= '"@type": "Organization",';
      $html .= '"@name": "' . get_blog_info('name') . ',";
      $html .= '"@url": "' . get_blog_info('url') . ',";
      
      if ( $has_brand_logo ) {
        $html .= '"@logo":';
        $html .= '{';
          $html .= '"@type": "ImageObject",';
          $html .= '"@url": ' . $brand_logo_url . '",';
        $html .= '},';
      }
      
      if ( $has_social_networks ) {
        $html .= '"sameAs": [';
          if ( $facebook ) {
            $html .= '"' . $facebook . '",';
          }
          if ( $twitter ) {
            $html .= '"' . $twitter . '",';
          }
          if ( $google_plus ) {
            $html .= '"' . $google_plus . '",';
          }
          
          // ...
          
        $html .= ']';
      }
      
      if ( is_singular('post') ) {
        // $type = NewsArticle
        $html .= '"@type" : ' . $type . '",';
      
      // loop through all approved cpts
      } elseif (is_singular($cpt) ) {
      
      } elseif (is_page() ) {
      
      } elseif ( is_category || is_tag() {
      
      } elseif ( is_archive() {
      
      }
      
      $html .= '"@headline" : "' . get_the_title() . '",';
      $html .= '"@datePublished": "' . get_the_date() '",';
      
      // ...
    $html .= '}';
  $html .= '</script>';
                
  return $html;
}