expects parameter 2 to be array, null error in Middleware

Question

I received this error in app/Http/Middleware/StaffAccess.php:22

$staff = Auth::guard('admin')->user();

$staffAccess = $staff->staff_access;

if (in_array($access, $staffAccess))
{
    return $next($request);
}

When I tried to login in dashboard as admin and redirect in dashboard I received this error

in_array() expects parameter 2 to be array, null given

Admin Model:

class Admin extends Authenticatable
{
    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $guarded = ['id'];

    // protected $casts = ['access'=>'array'];

    /**
     * The attributes that should be hidden for arrays.
     *
     * @var array
     */
    protected $hidden = [
        'password', 'remember_token',
    ];
    
    protected $casts = [
        'staff_access' => 'object',
    ];
}

If you have any differentiating flag/column b/w admin and admin staff users? — sssurii
– sssurii, Commented Oct 12, 2022 at 2:00

Amri · Accepted Answer · 2022-10-12 01:55:48Z

1

Its because your $staffAccess is null. So the program turn an error because in_array expect parameter to be array.

You can check the contains of $staffAccess or you can give a condition where $staffAccess == null, so if $staffAccess is null the program won't able enter your return $next($request);. You can check it with is_null

$staffAccess = $staff->staff_access;
if(!is_null($staffAccess)) { // or you can check with ($staffAccess === null)
 if(in_array($access, $staffAccess)){
    return $next($request);
 }
} else {
 // your other code
}

answered Oct 12, 2022 at 1:55

Amri

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Comments

Hopex Development · Accepted Answer · 2022-10-13 13:10:54Z

0

You need to check the array for its presence. You can make it a condition or a ternary operator:

$staff = Auth::guard('admin')->user();

$staffAccess = $staff->staff_access;

if (in_array($access, $staffAccess ?? []))
{
    return $next($request);
}

answered Oct 13, 2022 at 13:10

Hopex Development

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