diff --git a/htdocs/adherents/cartes/PDF_card.class.php b/htdocs/adherents/cartes/PDF_card.class.php
index 3d8c2623c7d..7918ef1eaa4 100755
--- a/htdocs/adherents/cartes/PDF_card.class.php
+++ b/htdocs/adherents/cartes/PDF_card.class.php
@@ -67,7 +67,7 @@
 		\version    $Revision$
 */
 
-require_once(FPDF_PATH.'fpdi_protection.php');
+require_once(FPDFI_PATH.'fpdi_protection.php');
 
 
 /**
diff --git a/htdocs/adherents/cartes/carte.php b/htdocs/adherents/cartes/carte.php
index 6316a183db8..26086b879bc 100755
--- a/htdocs/adherents/cartes/carte.php
+++ b/htdocs/adherents/cartes/carte.php
@@ -29,7 +29,7 @@
 */
 
 require("./pre.inc.php");
-require(DOL_DOCUMENT_ROOT."/adherents/adherent.class.php");
+require_once(DOL_DOCUMENT_ROOT."/adherents/adherent.class.php");
 
 require_once('PDF_card.class.php');
 
diff --git a/htdocs/adherents/cartes/etiquette.php b/htdocs/adherents/cartes/etiquette.php
index 521620e32df..c1f70d13cc8 100755
--- a/htdocs/adherents/cartes/etiquette.php
+++ b/htdocs/adherents/cartes/etiquette.php
@@ -29,7 +29,7 @@
 */
 
 require("./pre.inc.php");
-require(DOL_DOCUMENT_ROOT."/adherents/adherent.class.php");
+require_once(DOL_DOCUMENT_ROOT."/adherents/adherent.class.php");
 
 require_once('PDF_card.class.php');
 
diff --git a/htdocs/includes/xmlrpc/xmlrpc.php b/htdocs/includes/xmlrpc/xmlrpc.php
index 65b7afe5381..b88ed86ebc1 100644
--- a/htdocs/includes/xmlrpc/xmlrpc.php
+++ b/htdocs/includes/xmlrpc/xmlrpc.php
@@ -80,7 +80,7 @@ class XML {
         $this->parser = xml_parser_create();
 
         xml_parser_set_option ($this->parser, XML_OPTION_CASE_FOLDING, 0);
-        xml_set_object($this->parser, &$this);
+        xml_set_object($this->parser, $this);
         xml_set_element_handler($this->parser, "open", "close");
         xml_set_character_data_handler($this->parser, "data");
 #        register_shutdown_function(array(&$this, 'destruct'));
@@ -133,7 +133,7 @@ class XML {
 
         $this->parent[$key] = array();
         $this->parent = &$this->parent[$key];
-        array_unshift($this->parents, &$this->parent);
+        array_unshift($this->parents, $this->parent);
     }
 
     function data($parser, $data){
@@ -156,7 +156,7 @@ class XML {
 
 function & XML_unserialize(&$xml){
     $xml_parser = new XML();
-    $data = &$xml_parser->parse(&$xml);
+    $data = &$xml_parser->parse($xml);
     $xml_parser->destruct();
     return $data;
 }
@@ -165,7 +165,7 @@ function & XMLRPC_parse(&$request){
     if(defined('XMLRPC_DEBUG') and XMLRPC_DEBUG){
         XMLRPC_debug('XMLRPC_parse', "<p>Received the following raw request:</p>" . XMLRPC_show($request, 'print_r', true));
     }
-    $data = &XML_unserialize(&$request);
+    $data = &XML_unserialize($request);
     if(defined('XMLRPC_DEBUG') and XMLRPC_DEBUG){
         XMLRPC_debug('XMLRPC_parse', "<p>Returning the following parsed request:</p>" . XMLRPC_show($data, 'print_r', true));
     }
@@ -187,7 +187,7 @@ function & XMLRPC_prepare($data, $type = NULL){
                     if(array_key_exists("$n type", $data)){
                         $type = $data["$n type"];
                     }
-                    $temp[$n] = XMLRPC_prepare(&$data[$n], $type);
+                    $temp[$n] = XMLRPC_prepare($data[$n], $type);
                 }
             }
         }else{ #it's a struct
@@ -202,7 +202,7 @@ function & XMLRPC_prepare($data, $type = NULL){
                         if(array_key_exists("$key type", $data)){
                             $type = $data["$key type"];
                         }
-                        $temp[] = array('name' => $key, 'value' => XMLRPC_prepare(&$value, $type));
+                        $temp[] = array('name' => $key, 'value' => XMLRPC_prepare($value, $type));
                     }
                 }
             }
@@ -244,11 +244,11 @@ function & XMLRPC_adjustValue(&$current_node){
                 if(is_array($temp) and array_key_exists(0, $temp)){
                     $count = count($temp);
                     for($n=0;$n<$count;$n++){
-                        $temp2[$n] = &XMLRPC_adjustValue(&$temp[$n]);
+                        $temp2[$n] = &XMLRPC_adjustValue($temp[$n]);
                     }
                     $temp = &$temp2;
                 }else{
-                    $temp2 = &XMLRPC_adjustValue(&$temp);
+                    $temp2 = &XMLRPC_adjustValue($temp);
                     $temp = array(&$temp2);
                     #I do the temp assignment because it avoids copying,
                     # since I can put a reference in the array
@@ -267,12 +267,12 @@ function & XMLRPC_adjustValue(&$current_node){
                     $count = count($temp);
                     for($n=0;$n<$count;$n++){
                         #echo "Passing name {$temp[$n][name]}. Value is: " . show($temp[$n][value], var_dump, true) . "<br>\n";
-                        $temp2[$temp[$n]['name']] = &XMLRPC_adjustValue(&$temp[$n]['value']);
+                        $temp2[$temp[$n]['name']] = &XMLRPC_adjustValue($temp[$n]['value']);
                         #echo "adjustValue(): After assigning, the value is " . show($temp2[$temp[$n]['name']], var_dump, true) . "<br>\n";
                     }
                 }else{
                     #echo "Passing name $temp[name]<br>\n";
-                    $temp2[$temp['name']] = &XMLRPC_adjustValue(&$temp['value']);
+                    $temp2[$temp['name']] = &XMLRPC_adjustValue($temp['value']);
                 }
                 $temp = &$temp2;
             }
@@ -316,7 +316,7 @@ function XMLRPC_getParams($request){
             $count = count($temp);
             for($n = 0; $n < $count; $n++){
                 #echo "Serializing parameter $n<br>";
-                $temp2[$n] = &XMLRPC_adjustValue(&$temp[$n]['value']);
+                $temp2[$n] = &XMLRPC_adjustValue($temp[$n]['value']);
             }
         }else{
             $temp2[0] = &XMLRPC_adjustValue($temp['value']);
@@ -390,13 +390,13 @@ function XMLRPC_request($site, $location, $methodName, $params = NULL, $user_age
             XMLRPC_debug('XMLRPC_request', "<p>Received the following response:</p>\n\n" . XMLRPC_show($response, 'print_r', true) . "<p>Which was serialized into the following data:</p>\n\n" . XMLRPC_show($data, 'print_r', true));
         }
         if(isset($data['methodResponse']['fault'])){
-            $return =  array(false, XMLRPC_adjustValue(&$data['methodResponse']['fault']['value']));
+            $return =  array(false, XMLRPC_adjustValue($data['methodResponse']['fault']['value']));
             if(defined('XMLRPC_DEBUG') and XMLRPC_DEBUG){
                 XMLRPC_debug('XMLRPC_request', "<p>Returning:</p>\n\n" . XMLRPC_show($return, 'var_dump', true));
             }
             return $return;
         }else{
-            $return = array(true, XMLRPC_adjustValue(&$data['methodResponse']['params']['param']['value']));
+            $return = array(true, XMLRPC_adjustValue($data['methodResponse']['params']['param']['value']));
             if(defined('XMLRPC_DEBUG') and XMLRPC_DEBUG){
                 XMLRPC_debug('XMLRPC_request', "<p>Returning:</p>\n\n" . XMLRPC_show($return, 'var_dump', true));
             }
@@ -407,7 +407,7 @@ function XMLRPC_request($site, $location, $methodName, $params = NULL, $user_age
 
 function XMLRPC_response($return_value, $server = NULL){
     $data["methodResponse"]["params"]["param"]["value"] = &$return_value;
-    $return = XML_serialize(&$data);
+    $return = XML_serialize($data);
 
     if(defined('XMLRPC_DEBUG') and XMLRPC_DEBUG){
         XMLRPC_debug('XMLRPC_response', "<p>Received the following data to return:</p>\n\n" . XMLRPC_show($return_value, 'print_r', true));