enable null extension

[plcapi.git] / php / plc_api.php

diff --git a/php/plc_api.php b/php/plc_api.php
index 3224601..3c878ba 100644 (file)
--- a/php/plc_api.php
+++ b/php/plc_api.php
@@ -8,10 +8,6 @@
 // Mark Huang <mlhuang@cs.princeton.edu>
 // Copyright (C) 2005-2006 The Trustees of Princeton University
 //
-// $Id$
-// $URL$
-//
-//
 
 require_once 'plc_config.php';
 
@@ -61,9 +57,13 @@ class PLCAPI
   function backtrace_php () {
     $backtrace = debug_backtrace();
     $msg = "";
-    foreach( $backtrace as $line ) {
+    $len = count($backtrace);
+    $cnt = 1;
+    foreach( array_reverse($backtrace) as $line ) {
         $msg .= "File '". $line['file'] . "' line " . $line['line'] . "\n";
         $msg .= "    " . $line['function'] . "( "  . $this->rec_join($line['args']) . ")\n";
+        $cnt += 1;
+        if ( $cnt == $len ) { break; }
     }
     return $msg;
   }
@@ -139,6 +139,9 @@ class PLCAPI
     $url .= $this->server . ':' . $this->port . '/' . $this->path;
     curl_setopt($curl, CURLOPT_URL, $url);
 
+    // this tentatively allows to tune mainstream xmlrpc php lib
+    // so as to achieve the same behaviour as with our patched lib
+    $xmlrpc_null_extension = TRUE;
     // Marshal the XML-RPC request as a POST variable. <nil/> is an
     // extension to the XML-RPC spec that is supported in our custom
     // version of xmlrpc.so via the 'allow_null' output_encoding key.