$SQL="SELECT * FROM `cities` WHERE `id` IN (".$start[1].",".$end[1].") LIMIT 2";
$SQL="SELECT * FROM `cities` WHERE `id` IN (".$start[1].",".$end[1].") LIMIT 2";
$temp=get_city_data_by_sql($SQL);
$temp=get_city_data_by_sql($SQL);
$city_start=$temp[$start[1]];
$city_start=$temp[$start[1]];
$city_end=$temp[$end[1]];
$city_end=$temp[$end[1]];
unset ($temp);
unset ($temp);
$SQL="SELECT id, start_city_id, end_city_id FROM `routes` WHERE `start_city_id`=".$city_start['locality']['id']." AND `end_city_id`=".$city_end['locality']['id']." LIMIT 1";
$SQL="SELECT id, start_city_id, end_city_id FROM `routes` WHERE `start_city_id`=".$city_start['locality']['id']." AND `end_city_id`=".$city_end['locality']['id']." LIMIT 1";