How To Pass GET Parameters To Laravel From With GET Method ?

The simplest way is just to accept the incoming request, and pull out the variables you want in the Controller:

Route::get('search', ['as' => 'search', 'uses' => 'SearchController@search']);

and then in SearchController@search:

class SearchController extends BaseController {

    public function search()
    {
        $category = Input::get('category', 'default category');
        $term = Input::get('term', false);

        // do things with them...
    }
}

Usefully, you can set defaults in Input::get() in case nothing is passed to your Controller's action.

As joe_archer says, it's not necessary to put these terms into the URL, and it might be better as a POST (in which case you should update your call to Form::open() and also your search route in routes.php - Input::get() remains the same)

I was struggling with this too and finally got it to work.

routes.php

Route::get('people', 'PeopleController@index');
Route::get('people/{lastName}', 'PeopleController@show');
Route::get('people/{lastName}/{firstName}', 'PeopleController@show');
Route::post('people', 'PeopleController@processForm');

PeopleController.php

namespace App\Http\Controllers ;
use DB ;
use Illuminate\Http\Request ;
use App\Http\Requests ;
use Illuminate\Support\Facades\Input;
use Illuminate\Support\Facades\Redirect;

    public function processForm() {
        $lastName  = Input::get('lastName') ;
        $firstName = Input::get('firstName') ;
        return Redirect::to('people/'.$lastName.'/'.$firstName) ;
    }
    public function show($lastName,$firstName) {
        $qry = 'SELECT * FROM tableFoo WHERE LastName LIKE "'.$lastName.'" AND GivenNames LIKE "'.$firstName.'%" ' ;
        $ppl = DB::select($qry);
        return view('people.show', ['ppl' => $ppl] ) ;
    }

people/show.blade.php

<form method="post" action="/people">
    <input type="text" name="firstName" placeholder="First name">
    <input type="text" name="lastName" placeholder="Last name">
    <input type="hidden" name="_token" value="{{ csrf_token() }}">
    <input type="submit" value="Search">
</form>

Notes:
I needed to pass two input fields into the URI.
I'm not using Eloquent yet, if you are, adjust the database logic accordingly.
And I'm not done securing the user entered data, so chill.
Pay attention to the "_token" hidden form field and all the "use" includes, they are needed.

PS: Here's another syntax that seems to work, and does not need the

use Illuminate\Support\Facades\Input;

.

public function processForm(Request $request) {
    $lastName  = addslashes($request->lastName) ;
    $firstName = addslashes($request->firstName) ;
    //add more logic to validate and secure user entered data before turning it loose in a query
    return Redirect::to('people/'.$lastName.'/'.$firstName) ;
}