Multiple SelectBox Usage in Laravel

25-02-2020

We can use following codes for multiple select in Laravel:

Blade Template:

<div class="form-group col-sm-6">
    {!! Form::label('project_contents', 'Project Contents:') !!}
    <i>(You can choose multiple items)</i>

    @if(!isset($project))
    {{Form::select('project_contents',$project_contents,null,
    array('data-placeholder'=>'Seçiniz','class' => 'form-control select','multiple'=>'multiple',
    'name'=>'project_contents[]','required'=>''))}}
    @endif
    @if(isset($project))
    <select multiple="multiple" name="project_contents[]" id=project_contents"
            class="form-control select" required="required">
        @foreach($project_contents as $aKey => $content)
        <option value="{{$aKey}}"
                @if(in_array($aKey,$project->project_contents)) selected="selected"@endif>
            {{$content}}
        </option>

        @endforeach
    </select>
    @endif
    <div class="help-block with-errors"></div>
</div>

Controller:

public function store(HttpRequest $request)
{
    $input=$request->all();
    $input['project_contents'] = json_encode($input['project_contents']);
}
public function edit($id)
{
    $project = $this->projectRepository->find($id);
    $project->project_contents = json_decode($project->project_contents);
    return view('projects.edit')->with('project', $project)
        ->with("project_contents", $this->getProjectContents());
}
private function getProjectContents()
{
    $projectContents = ProjectContent::pluck('name', 'id');
    $projectContents = $projectContents->toArray();
    return $projectContents;
}

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