Removed some code for efficiency

site/random.php

   // Search for the application ID in the content element and display it
   $content = $json->response->docs[$random]->content;
   preg_match('/Application.*\n(.*)\n/', $content, $application_id);
-  $application_id = json_encode($application_id[1]);
+  $output['application_id'] = $application_id[1];
-  $output['application_id'] = $application_id;
 
   // Search for the publication URL in the content element and display it
   $content = $json->response->docs[$random]->content;
   preg_match('/Publication.*\n(.*)\n/', $content, $publication);
-  $publication_url = json_encode($publication[1]);
+  $output['publication_url'] = $publication[1];
-  $output['publication_url'] = $publication_url;
 
   // Search for the title in the content element and display it
   $content = $json->response->docs[$random]->content;
   preg_match('/Title.*\n(.*)\n/', $content, $title);
-  $title = json_encode($title[1]);
+  $output['title'] = $title[1];
-  $output['title'] = $title;
 
   // Search for the abstract in the content element and display it
   $content = $json->response->docs[$random]->content;
   preg_match('/Abstract.*\n(.*)\n/', $content, $abstract);
-  $abstract = json_encode($abstract[1]);
+  $output['abstract'] = $abstract[1];
-  $output['abstract'] = $abstract;
 
   return $output;