Online PHP editor | refs for BGl7o

<?php $data = [ ['tutor_name' => 'John Doe', 'course_day' => 'Monday'], ['tutor_name' => 'John Doe', 'course_day' => 'Tuesday'] ]; function translate_to_cz ($day) { switch ($day) { case "Monday": $day_cz = "Pondělí"; break; case "Tuesday": $day_cz = "Úterý"; break; } return $day_cz; } foreach ($data as &$value) { $value['course_day_cz'] = translate_to_cz($value['course_day']); } print_r($data);