Laravel: redirect with custom error but without error message

Question

Consider the manual authentication. If the order ID has not been found in database, we redirect user to page with input fields and with error 'wrongOrderId':

public function login(Request $request) {

    $inputted_orderId = $request->input('order_id');       
    $orderIdInDB = DB::table(self::SITE_IN_DEVELOPMENT_TABLE_NAME)
            ->where(self::ORDER_ID_FIELD_NAME, $inputted_orderId)->first();

   if (is_null($orderIdInDB)) {
       return Redirect::route('loginToSitesInDevelopmentZonePage')->withErrors('wrongOrderId');
   }               
}

In this example, we don't need to pass the error message: the message box is already exists in View; all we need is to display this message box when user has been redirected with error 'wrongOrderId':

@if (!empty($errors->first('wrongOrderId'))) 
    <div class="signInForm-errorMessagebox" id="invalidID-errorMessage">
        <!-- ... -->
    </div>
@endif

All above code is working without laravel/php errors; I get into is_null($orderIdInDB) if-block when input wrong order number, however the error message box don't appears. I tried a lot of ways, and (!empty($errors->first('wrongOrderId'))) is just last one. What I doing wrong?

score 1 · Accepted Answer · 2017-11-21 04:58:20Z

1

Did you try printing {{$errors->first()}}?

first(string), works as a key value pair, it invokes its first key VALUE

try this,

 @if($errors->any())
    <div class="signInForm-errorMessagebox" id="invalidID-errorMessage">
        <!-- ... -->
    </div>
 @endif

edited Nov 21, 2017 at 4:58

answered Nov 21, 2017 at 4:27

user8760162

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1 Comment

Takeshi Tokugawa YD Over a year ago

Thank you for the answer! I successfully printed $errors->first(). ` @if($errors->any())` also works. How to check the specific error, I learned in user2486's answer.

LF-DevJourney · Accepted Answer · 2017-11-21 04:42:54Z

0

If you want to get specific error from validator error, use the get() method.

$errors->get('wrongOrderId'); get all the wrongOrderId errors.

$errors->first('wrongOrderId'); get first error of wrongOrderId errors

answered Nov 21, 2017 at 4:42

LF-DevJourney

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2 Comments

Takeshi Tokugawa YD Over a year ago

Thank you for the answer. Hmm... When I try $errors->first('wrongOrderId');, the error don't appears yet. Is ->withErrors('wrongOrderId'); OK with your solution? Also, when I tried $errors->get('wrongOrderId');, I got the strange exception: htmlspecialchars() expects parameter 1 to be string, array given. {{$errors->first()}} is working: wrongOrderId is displaying.

LF-DevJourney Over a year ago

Use this code in your blade php, not controller. add in the {{ }} or {!! !!}

Takeshi Tokugawa YD · Accepted Answer · 2017-11-21 05:21:16Z

0

I explored that $errors->first('wrongOrderId') has non-displayable but non-null value. So @if ( $errors->first('wrongOrderId') !== null ) will work.

Something more elegantly like @if ($errors->first('wrongOrderId'))? Unfortunately just one this check is not enough: even if we define

return Redirect::route('loginToSitesInDevelopmentZonePage')->withErrors(['wrongOrderId' => true]);

php will convert true to 1. So, @if ( $errors->first('wrongOrderId') == true ) will working, but @if ($errors->first('wrongOrderId')) will not.

However, we can to cast $errors->first('wrongOrderId') to bool, so the most elegant solution will be

@if ((bool) $errors->first('wrongOrderId'))

edited Nov 21, 2017 at 5:21

answered Nov 21, 2017 at 5:10

Takeshi Tokugawa YD

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