resolving some errors with random titles and abstracts pages

site/public/titles.php

     echo $title;
 ?>
   </a>
+
 <?
   endforeach;
 ?>

site/solr.php

 
     foreach($random as $id => $content){
       // Search for the title in the content element and display it
-      preg_match('/Title.*\n(.*)\n/', $content, $title);
-
-      $output[$x] = array($id=>$title[1]);
+      if (preg_match('/Title.*\n(.*)\n/', $content, $title)){
+        $output[$x] = array($id=>$title[1]);
+      }
     }
   }
   return $output;
       if (preg_match('/Abstract.*\n(.*)\n/', $content, $abstract)){
         $output[$x] = array($id=>$abstract[1]);
       }
-      else {
-        preg_match('/\(.\) \\n\\n(.*)\\n/', $content, $abstract);
+      elseif (preg_match('/\(.\) \\n\\n(.*)\\n/', $content, $abstract)) {
         $output[$x] = array($id=>$abstract[1]);
       }
     }