Add POST data to SESSION

foreach ($_POST as $key => $val) {
$val = str_replace("\'", "`", $val);
$val = str_replace("\\", " ", $val);
$_SESSION[$key]=trim($val);
}

foreach ($_SESSION as $key => $val) {
$_SESSION[$key]=str_replace("\'", "`", $val);
$_SESSION[$key]=str_replace("\\", " ", $val);
}