PHP Decode

<?php 
// JSON-LD for Wordpress Home Articles and Author Pages written by Pete Wailes and Richard Baxter 
function get_post_data() { global $post; return $post; } 
// stuff for any page 
$payload["@context"] = "http://schema.org/"; 
// this has all the data of the post/page etc 
$post_data = get_post_data(); 
// stuff for any page, if it exists 
$category = get_the_category(); 
// stuff for specific pages 
if (is_single()) { 
// this gets the data for the user who wrote that particular item 
$author_data = get_userdata($post_data->post_author); $post_url = get_permalink(); $post_thumb = wp_get_attachment_url(get_post_thumbnail_id($post->ID)); $payload["@type"] = "Article"; $payload["url"] = $post_url; $payload["author"] = array( "@type" => "Person", "name" => $author_data->display_name, ); $payload["headline"] = $post_data->post_title; $payload["datePublished"] = $post_data->post_date; $payload["image"] = $post_thumb; $payload["ArticleSection"] = $category[0]->cat_name; $payload["Publisher"] = "Builtvisible"; } 
// we do all this separately so we keep the right things for organization together 
if (is_front_page()) { $payload["@type"] = "Organization"; $payload["name"] = "Builtvisible"; $payload["logo"] = "http://builtvisible.com/wp-content/uploads/2014/05/BUILTVISIBLE-Badge-Logo-512x602-medium.png"; $payload["url"] = "http://builtvisible.com/"; $payload["sameAs"] = array( "https://twitter.com/builtvisible", "https://www.facebook.com/builtvisible", "https://www.linkedin.com/company/builtvisible", "https://plus.google.com/+SEOgadget/" ); $payload["contactPoint"] = array( array( "@type" => "ContactPoint", "telephone" => "+44 20 7148 0453", "email" => "[email protected]", "contactType" => "sales" ) ); } if (is_author()) { 
// this gets the data for the user who wrote that particular item 
$author_data = get_userdata($post_data->post_author); 
// some of you may not have all of these data points in your user profiles - delete as appropriate 
// fetch twitter from author meta and concatenate with full twitter URL 
$twitter_url = " https://twitter.com/"; $twitterHandle = get_the_author_meta('twitter'); $twitterHandleURL = $twitter_url . $twitterHandle; $websiteHandle = get_the_author_meta('url'); $facebookHandle = get_the_author_meta('facebook'); $gplusHandle = get_the_author_meta('googleplus'); $linkedinHandle = get_the_author_meta('linkedin'); $slideshareHandle = get_the_author_meta('slideshare'); $payload["@type"] = "Person"; $payload["name"] = $author_data->display_name; $payload["email"] = $author_data->user_email; $payload["sameAs"] = array( $twitterHandleURL, $websiteHandle, $facebookHandle, $gplusHandle, $linkedinHandle, $slideshareHandle ); } 
?>