Voilà mon bout de code:
while(list($key, $val) = each($HTTP_POST_VARS)) {
$key = stripslashes($key);
$val = stripslashes($val);
$val = ereg_replace("\"", "'", $val);
$val = ereg_replace("{", "[", $val); >> la ligne 14 est ici
$val = ereg_replace("}", "]", $val);
$$key=$val;
}