Log database errors instead of showing them.

display_errors is off unless DISPLAY_ERRORS is set in .env.

get_data.lib.php

@@ -127,13 +127,12 @@ function get_count() {
 
   //echo $count_query." <br />";
   $row_count = NULL;
-  echo $db->info;
   if ($count_query) {
     if ($result = $db->execute_query($count_query, $params)) {
       $row_count = $result->fetch_row();
       $result->close();
     } else {
-      die("Error in query: $db->error");
+      db_fail();
     }
   }
   return $row_count[0];
@@ -186,7 +185,7 @@ function get_query($id = NULL) {
     }
     $result->close();
   } else {
-    die("Error in query: $db->error");
+    db_fail();
   }
   return $results;
 }