can anyone explain that what this code is doing?
<input type="hidden" name="redirect_code" value="ur">
<input type="hidden" name="sort" value="<?=$sort; ?>">
<input type="hidden" name="pagesr" value="<?=$pagesr; ?>">
<input type="hidden" name="end_rec" value="<?=$end_rec; ?>">
<input type="hidden" name="fdateD" value="<?=$fdateD; ?>">
<input type="hidden" name="fdateM" value="<?=$fdateM; ?>">
<input type="hidden" name="fdest" value="<?=$fdest; ?>">
<input type="hidden" name="fdep1" value="<?=$fdep1; ?>">
<input type="hidden" name="fnights" value="<?=$fnights; ?>">
<input type="hidden" name="fwithin" value="<?=$fwithin; ?>">
<input type="hidden" name="fname" value="<?=$fname; ?>">
<!-- //-->
<input type="hidden" name="accomodation" value="<?=$hotel_name; ?>">
<input type="hidden" name="resort" value="<?=$resort; ?>">
<input type="hidden" name="dep" value="<?=$dep; ?>">
<input type="hidden" name="dest" value="<?=$dest; ?>">
<input type="hidden" name="nights" value="<?=$nights; ?>">
<input type="hidden" name="tour_op" value="<?=$tour_op; ?>">
<input type="hidden" name="depart_date" value="<?=$depart_date; ?>">
<input type="hidden" name="depart_uk" value="<?=$depart_uk; ?>">
<input type="hidden" name="dest_airport" value="<?=$_SESSION["agent_dest_airports"][$dest_airport]; ?>">
<input type="hidden" name="dep_uk_time" value="<?=$dep_uk_time; ?>">
<input type="hidden" name="arr_uk_time" value="<?=$arr_uk_time; ?>">
<input type="hidden" name="adult_price" value="<?=$adult_price; ?>">
<input type="hidden" name="child_price" value="<?=$child_price; ?>">
<input type="hidden" name="child_max_age" value="<?=$child_max_age; ?>">
<input type="hidden" name="mp" value="<?=$adult_price; ?>">
<input type="hidden" name="type" value="<?=$type; ?>">
<input type="hidden" name="fnum_adults" value="<?=$fnum_adults; ?>">
<input type="hidden" name="fnum_child" value="<?=$fnum_child; ?>">
<input type="hidden" name="fnum_infant" value="<?=$fnum_infant; ?>">
<input type="hidden" name="resort_code" value="<?=$resort_code; ?>">
<input type="hidden" name="resort_name" value="<?=$resort_name; ?>">
<input type="hidden" name="hotel_code" value="<?=$hotel_code; ?>">
<input type="hidden" name="hotel_name" value="<?=$hotel_name; ?>">
<input type="hidden" name="board_basis" value="<?=$board_basis; ?>">
<input type="hidden" name="holiday_code" value="<?=$holiday_code; ?>">
<input type="hidden" name="transport_code" value="<?=$transport_code; ?>">
<input type="hidden" name="resort_features" value="<?=$resort_features; ?>">
<input type="hidden" name="accom_features" value="<?=$accom_features; ?>">
<input type="hidden" name="brochure_code" value="<?=$brochure_code; ?>">
<input type="hidden" name="product_name" value="<?=$product_name; ?>">
<input type="hidden" name="arr_uk_point" value="<?=$arr_uk_point; ?>">
<input type="hidden" name="dep_uk_time" value="<?=$dep_uk_time; ?>">
<input type="hidden" name="arr_uk_time" value="<?=$arr_uk_time; ?>">
<input type="hidden" name="flight_no_out" value="<?=$flight_no_out; ?>">
<input type="hidden" name="flight_no_ret" value="<?=$flight_no_ret; ?>">
<input type="hidden" name="arr_dest_time" value="<?=$arr_dest_time; ?>">
<input type="hidden" name="dep_dest_time" value="<?=$dep_dest_time; ?>">
<input type="hidden" name="flight_no_out" value="<?=$flight_no_out; ?>">
<input type="hidden" name="flight_no_ret" value="<?=$flight_no_ret; ?>">
<input type="hidden" name="travel_code" value="<?=$travel_code; ?>">