@foreach($students as $key=>$student) @endforeach

Cognome	Nome	Matricola	E-Mail	P
{{strtoupper($student->lastname)}}	{{strtoupper($student->firstname)}}	{{strtoupper($student->official_code)}}	{{strtoupper($student->email)}}	{!! isset($reservations[$student->user_id]) ? '*': ''!!}