Laravel Select Dropdown Example

edit.blade.php

<div class="form-group">
    <label for="model_id" class="control-label">Model Unit</label>
    <select name="model_id" id="model_id" class="form-control{{ $errors->has('model_id') ? ' is-invalid' : '' }}" required>
        <option value="">-- Pilih Model --</option>
        @foreach ($unitModels as $unitModel)
            <option value="{{ $unitModel->id }}" {{ $unitModel->id == old('model_id', request('model_id')) ? 'selected' : '' }}>
                {{ $unitModel->code }} - {{ $unitModel->name }}
            </option>
        @endforeach
    </select>
    {!! $errors->first('model_id', '<span class="invalid-feedback" role="alert">:message</span>') !!}
</div>

UnitTypeController.php

<?php

namespace App\Http\Controllers;

use App\UnitType;
use App\UnitModel;

class UnitTypeController extends Controller
{
    public function edit(UnitType $unitType)
    {
        $unitModels = UnitModel::all();

        return view('unit_types.edit', compact('unitType', 'unitModels'));
    }
}