$filterStudents = $search !== null ? [ 'filter[entry_year]' => $entry_year, 'filter[search]' => $search, 'relation[student_group]' => 1, 'page' => (int)$page, 'per_page' => 20, ] : [ 'filter[entry_year]' => $entry_year, 'relation[student_group]' => 1, 'page' => (int)$page, 'per_page' => 20, ];