sorry for my Eng. need php code $crc = md5("$mrh_login:$out_summ:$inv_id:$mrh_pass1:Shp_item=$shp_item"); convert to <xen:set var="$crc">{md5("{$mrh_login}:{$out_summ}:{$inv_id}:{$mrh_pass1}:{Shp_item=$shp_item}")}</xen:set> or {$crc.md5("$mrh_login:$out_summ:$inv_id:$mrh_pass1:Shp_item=$shp_item")} I do not know, how to make