[validation] #LaravelT

validation.php

//VALIDATION

// 1-post data to controller method
// inside controller :
public function store(Request $request){

//        $validator = $request->validate([
//            'name' => 'required',
//            'age' => 'required',
//            'email' => 'required',
//        ]);

//        $this->validate($request, [
//            'name' => 'required',
//            'age' => 'required',
//             'email' => 'required',
//        ]);
  
// commented code just check validate and do not show error , send response code 302  

        $validator = Validator::make($request->all(), [
        'name' => 'required',
        'age' => 'required',
        ]);

        if ($validator->fails()) {
            return Redirect::back()->withErrors($validator);
}

//------------------------------html--------------------
  
// for show error in html:
@if ($errors->any())
    <ul>

        @foreach ($errors->all() as $error)
            <li><span style="color: red">{{ $error }}</span></li>
        @endforeach
    </ul>
@endif

<form action="/store" method="post">
    {{ csrf_field() }}
    <input name="name" placeholder="name">
    <input name="age" placeholder="age">
    <input name="email" placeholder="email">
    <button type="submit">Send</button>
</form>

//----------------------------api----------------------------
// if you post data from client like android
    public function store(Request $request){
        $validator = Validator::make($request->all(), [
            'name' => 'required',
            'age' => 'required',
          	'email' => 'required|unique:users,email',
        ]);
        if ($validator->fails()) {
            return response($validator->errors(), 403);
        }
    }