Voici le contenu du fichier africonline/install/classes/LanguagesManager.php on line 7:

<?php

include_once("../classes/Validate.php");

class LanguageManager {

private $url_xml;
private $lang;
private $xml_file;

function __construct ($url_xml){
$this->loadXML($url_xml);
$this->setLanguage();
$this->getIncludeTradFilename();

}


private function loadXML($url_xml){
global $errors;
if(!$this->xml_file = simplexml_load_file($url_xml))
$errors = "Error when loading XML language file : $url_xml";
}

public function getIdSelectedLang(){
return $this->lang['id'];
}

public function getIsoCodeSelectedLang(){
return $this->lang->idLangPS;
}

public function countLangs(){
return sizeof($this->xml_file);
}

public function getAvailableLangs(){
return $this->xml_file;
}

public function getSelectedLang(){
return $this->lang;
}

private function getIdByHAL(){

$iso = false;

if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {

$FirstHAL = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
$iso = $FirstHAL[0];

if ( $iso != "en-us" ) {
foreach ($this->xml_file as $lang){
foreach ($lang->isos->iso as $anIso){
if ($anIso == $iso) return $lang['id'];
}
}
}

} else return 0;

}

private function setLanguage(){
if( isset($_GET['language']) AND Validate::isInt($_GET['language'])){
$id_lang = intval($_GET['language']);
}
if (!isset($id_lang)) {
$id_lang = ($this->getIdByHAL());
}

$this->lang = $this->xml_file->lang[intval($id_lang)];


}

public function getIncludeTradFilename(){
return ($this->lang == NULL) ? false : dirname(__FILE__).$this->lang['trad_file'];
}

}

?>

Ça y est j'ai trouvé la reponse! il suffit de de rajouter la dernière ligne “AddType x-mapp-php5 .php” et ça marche!
voici le contenu du fichier “.htaccess“ qui se trouve dans la racine:

# URL rewriting module activation
RewriteEngine on

# URL rewriting rules
RewriteRule ^([a-zA-Z0-9-]*)/([0-9]+)\-([a-zA-Z0-9-]*)\.html(.*)$ product.php?id_product=$2$4 [L,E]
RewriteRule ^([0-9]+)\-([a-zA-Z0-9-]*)\.html(.*)$ product.php?id_product=$1$3 [L,E]
RewriteRule ^([0-9]+)\-([a-zA-Z0-9-]*)(.*)$ category.php?id_category=$1 [QSA,L,E]
RewriteRule ^content/([0-9]+)\-([a-zA-Z0-9-]*)(.*)$ cms.php?id_cms=$1 [QSA,L,E]
RewriteRule ^([0-9]+)__([a-zA-Z0-9-]*)(.*)$ supplier.php?id_supplier=$1$3 [QSA,L,E]
RewriteRule ^([0-9]+)_([a-zA-Z0-9-]*)(.*)$ manufacturer.php?id_manufacturer=$1$3 [QSA,L,E]

# Catch 404 errors
ErrorDocument 404 /404.php
AddType x-mapp-php5 .php