diff --git a/livesupport/src/modules/storageServer/var/conf.php b/livesupport/src/modules/storageServer/var/conf.php
index 1d477ee82..d0a49bd6d 100644
--- a/livesupport/src/modules/storageServer/var/conf.php
+++ b/livesupport/src/modules/storageServer/var/conf.php
@@ -34,6 +34,7 @@
  */
 
 define('LS_VERSION', '1.1');
+define('PHP5', version_compare( phpversion(), "5.0.0", ">=" ));
 
 /**
  *  configuration structure:
@@ -168,4 +169,15 @@ if(!is_null($this_file)){
     }
 }
 
+if(!PHP5){
+ eval('
+    define("FILE_APPEND", TRUE);
+    function file_put_contents($f, $s, $ap=FALSE){
+        $fp=fopen($f, $ap==FILE_APPEND ? "a" : "w");
+        fwrite($fp,$s);
+        fclose($fp);
+    }
+');
+}
+
 ?>
diff --git a/livesupport/src/modules/storageServer/var/xmlrpc/xrLocStor.php b/livesupport/src/modules/storageServer/var/xmlrpc/xrLocStor.php
index 01f403d2c..fcff16716 100644
--- a/livesupport/src/modules/storageServer/var/xmlrpc/xrLocStor.php
+++ b/livesupport/src/modules/storageServer/var/xmlrpc/xrLocStor.php
@@ -27,7 +27,6 @@
     Location : $URL$
 
 ------------------------------------------------------------------------------*/
-define('PHP5', version_compare( phpversion(), "5.0.0", ">=" ));
 
 /* ====================================================== specific PHP config */
 //error_reporting(0);