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Laravel Controller Type Hinting

After creating a model with -mcr (php artisan make:model Institution -mrc), the show function in controller was scaffolded as:

/**
* Display the specified resource.
*
* @param AppOrganizationInstitution $institution
* @return IlluminateHttpResponse
*/
public function show(Institution $institution)

return view('institutions.show', ['institution' => $institution]);



The return view... was inserted by me. I was expecting it to have it populated with the object whose id was sent in the parameters.

/institutions/1


But, after using dd($institution), I verified that it has the ID, not the object.

Shouldn't this variable return me the object?

2 Answers
2

This is called Route Model Binding. Your route will need to look something like:

Route::get('institutions/institution', 'InstitutionController@show');


and then as per your controller

public function show(Institution $institution)

return view('institutions.show', compact($institution))



You can read more on this here.

I imagine your route had the parameter called id rather than institution.

id

institution

Replace the parameter of show function

public function show(Institution $institution)

return view('institutions.show', compact($institution))



becomes

public function show($id)

$institution = AppInstitution::findOrFail($id);;
return view('institutions.show', compact('institution'));



and in your routes
Route::get('institutions/id', 'InstitutionController@show');

Route::get('institutions/id', 'InstitutionController@show');

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