[php] The POST method is not supported for this route. Supported methods: GET, HEAD. Laravel

I have a problem with my edit page. When I submit I get this error:

The POST method is not supported for this route. Supported methods: GET, HEAD.

I have no clue where it comes from as I am pretty new to Laravel.

routes(web.php):

Route::group(['middleware' => 'auth'], function () {
Route::get('/', 'ProjectController@index');

Route::get('/projects/{id}', 'ProjectController@show');
Route::post('/create','ProjectController@store');
Route::get('/create', 'ProjectController@create');
Route::get('/projects/{id}/delete', 'ProjectController@destroy');
Route::put('/edit','ProjectController@update');
Route::get('/projects/{id}/edit', 'ProjectController@edit');

});

Controller:

 public function edit($id)
    {
        return view('project.edit',[

            'project' => Project::find($id)
        ]);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request)
    {
        $project = Project::find($request->id);
        $project->project_name = $request->input('project_name');
        $project->client = $request->input('client');
        $project->description = $request->input('description');
        $project->time_span = $request->input('time_span');
        $project->text_report = $request->input('text_report');
        $project->created_by = $request->input('created_by');

        $project->save();

        return  redirect('/')->with('success', 'Project aangepast');
    }

I know this is not the solution to OPs post. However, this post is the first one indexed by Google when I searched for answers to this error. For this reason I feel this will benefit others.

The following error...

The POST method is not supported for this route. Supported methods: GET, HEAD.

was caused by not clearing the routing cache

php artisan route:cache

I've seen your code in web.php as follows: Route::post('/edit/{id}','ProjectController@update');

Step 1: remove the {id} random parameter so it would be like this: Route::post('/edit','ProjectController@update');

Step 2: Then remove the @method('PUT') in your form, so let's say we'll just plainly use the POST method

Then how can I pass the ID to my method?

Step 1: make an input field in your form with the hidden attribute for example

<input type="hidden" value="{{$project->id}}" name="id">

Step 2: in your update method in your controller, fetch that ID for example:

$id = $request->input('id');

then you may not use it to find which project to edit

$project = Project::find($id)
//OR
$project = Project::where('id',$id);

add @method('PUT') on the form

exp:

<form action="..." method="POST">

@csrf  

@method('PUT')



</form>

I just removed the slash at the end of url and it began working... /managers/games/id/push/ to:

$http({
  method: 'POST',
  url: "/managers/games/id/push",

This may have to do with upgrading to laravel 5.8?

The easy way to fix this is to add this to your form.

{{ csrf_field() }}
<input type="hidden" name="_method" value="PUT">

then the update method will be like this :

public function update(Request $request, $id)
{
    $project = Project::findOrFail($id);
    $project->name = $request->name;
    $project->description = $request->description;

    $post->save();
}

If you are using a Route::group, with a vendor plugin like LaravelLocalization (from MCAMARA), you need to put POST routes outside of this group. I've experienced problems with POST routes using this plugin and I did solved right now by putting these routes outside Route::group..

In my case just run the command and worked like charm.

php artisan route:clear

I had a similiar problem and the only solution was rebooting vagrant which I use as dev enviroment. Beside that, not a single artisan and composer command didn't help.

mainly this type of error generate, 1.first check a code, in code, we define @csrf

<form method ="post" action={{url('project'')}}
   @csrf
   ...... 

2.when we define a wrong variable name, that time also happened this type of problem.

ex. if your database field name "xyz" and you use a "wxyz"

3.if our method is wrong in form,so plz check our method. ex. <form method="post">

Hi you dont have to write all the routes just follow the conventions https://laravel.com/docs/5.8/controllers check : Actions Handled By Resource Controller section

Since HTML forms can't make PUT, PATCH, or DELETE requests, you will need to add a hidden _method. When posting a data from n laravel you have to use,

<form action="/foo/bar" method="POST">
@method('PUT')
</form>

If you have a seeder in your database, run php artisan migrate:fresh --seed