How to pass a variable from one controller to another laravel

Question

I'm trying to pass a variable from a controller to some other controller. I'm doing it like this-

SomeController

public function index(){
  $var = 'variable';
  return redirect()->route('toAnotherController')->with('var', $var);
}

Route.php

Route::get('/anotherController', 'AnotherController@index')->name('toAnotherController');

Another Controller

public function index(){
  echo $var;
}

But, this is giving an error "Undefined variable $var". What is going wrong here? Is there any other way to do this?

Gautam Patadiya · Accepted Answer · 2018-07-12 12:44:14Z

2

This will help you:

Route::get('/anotherController/{var}', 'AnotherController@index')->name('toAnotherController');

public function index($var){
  echo $var;
}

Then use Redirect:

  return redirect()->route('toAnotherController',[$var]);

Good Luck ~~~

answered Jul 12, 2018 at 12:44

Gautam Patadiya

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2 Comments

Ghazanfar Mir Over a year ago

Bare in mind the {var} in the routes means it is required. You can specify optional parameters as {var?} in case this is optional.

ujjwal verma Over a year ago

I had also tried that method to pass the data, but the problem i was having was in the redirection (while passing the data). It worked, thanks!

Matthew · Accepted Answer · 2019-01-08 09:16:23Z

2

I hope this is not too late. But I am sure this might help somebody one day!!! In your SomeController Add this instance public $attributes; Add the variable you want to pass to another controller with this

$request->attributes->add(['var' => $request->var]);

You can equally resolve it with the code below on the (Another Controller)controller where you needed it

$var= app('request')->get('var');

N:B - Laravel 5.7. I am not sure of earlier versions

answered Jan 8, 2019 at 9:16

Matthew

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