fixed issue with random titles and abstracts not returning 10 items

site/solr.php

@@ -162,13 +162,15 @@ function one_random_record ($core){
 
 function ten_random_titles ($core){
 
-  for ($x=0; $x <= 9; $x++) {
+  $x = 0;
+  while ($x <= 9) {
     $random = get_random_record($core);
 
     foreach($random as $id => $content){
       // Search for the title in the content element and display it
       if (preg_match('/Title.*\n(.*)\n/', $content, $title)){
         $output[$x] = array($id=>$title[1]);
+        ++$x;
       }
     }
   }
@@ -177,16 +179,19 @@ function ten_random_titles ($core){
 
 function ten_random_abstracts ($core){
 
-  for ($x=0; $x <= 9; $x++) {
+  $x = 0;
+  while ($x <= 9) {
     $random = get_random_record($core);
 
     foreach($random as $id => $content){
       // Search for the abstract in the content element and display it
       if (preg_match('/Abstract.*\n(.*)\n/', $content, $abstract)){
         $output[$x] = array($id=>$abstract[1]);
+        ++$x;
       }
       elseif (preg_match('/\(.\) \\n\\n(.*)\\n/', $content, $abstract)) {
         $output[$x] = array($id=>$abstract[1]);
+        ++$x;
       }
     }
   }
@@ -196,7 +201,7 @@ function ten_random_abstracts ($core){
 function ten_random_doc_refs ($core){
 
   $x = 0;
-  while ($x < 9) {
+  while ($x <= 9) {
     $random = get_random_record($core);
 
     foreach($random as $id => $content){