Cannot use mysql function IN in laravel db statement - php

Question

Im having a problem when using the IN function of MySQL in a Laravel 5.2 DB Statement. Here is the example:
$str_array = implode(",",$array_reservations);
$sql_result = DB::select("
select r.id,r.people,r.date,r.status,p.alias,u.name,p.profile
from reservations r inner join places p on p.id = r.place_id
inner join users u on u.id = r.user_id
where r.id in(?)
order by r.date desc
", [$str_array]);
But in the result I just get the result of the first reservation of the array.
The length of the array will be always variable.

Answer 1

In this case you need to use DB::raw. Also, you need to create as many "?" you need, for each id you want to bind. That's the way PDO works:
$str_array = implode(",",$array_reservations);
$bindings = trim(str_repeat('?,', count($array_reservations)), ',');
DB::select($sql, $inputids);
$sql_result = DB::select(DB::raw("
select r.id,r.people,r.date,r.status,p.alias,u.name,p.profile
from reservations r inner join places p on p.id = r.place_id
inner join users u on u.id = r.user_id
where r.id in($bindings)
order by r.date desc
"), $str_array);
But, IMO, you should use Query Builder:
DB::table('reservations')
->join('places','places.id','=','reservarions.place_id')
->join('users','users.id','=','reservarions.user__id')
->whereIn('reservations.id',$str_array)
->orderBy('reservations.date', 'DESC');

Answer 2

Try this :
$sql_result = DB::table('reservations AS r')
->join('places AS p', 'p.id', '=', 'r.place_id')
->join('users AS u', 'u.id', '=', 'r.user_id')
->select('r.id','r.people','r.date','r.status','p.alias','u.name','p.profile')
->whereIn('r.id',$str_array) // write you conditions in array
->orderBy('r.date', 'desc')
->get();