Use require() instead of include() because we can't operate properly if we can't find all listed include files

commentview.php

@@ -8,9 +8,9 @@
 /*
  * application environment
  */
-include("path.php");
-include(BASE."include/incl.php");
-include(BASE."include/filter.php");
+require("path.php");
+require(BASE."include/incl.php");
+require(BASE."include/filter.php");
 require_once(BASE."include/comment.php");
 
 apidb_header("Comments");