laravel: hasmany error when find is null

Question

i have a problem.that my hasMany relationship returns error.

this is controller :

public function test()
{
   $a = Province::find(410)->test;
}

and this is my model:

public function test()
{
   return $this->hasMany('App\Http\Models\Places\City','province');
}

then if my Province::find(410) is null

the program will throw an error exception like this:

Whoops, looks like something went wrong.

1/1
FatalThrowableError in Province.php line 127:
Call to a member function hasManyThrough() on null
in Province.php line 127
at Province::get_area_by_province_id('410') in CommonController.php line 66

enter image description here

but when find has result . the program running no problem.

so... what should i do?

i have no idea!!!

please help me!!!

thanks!!!!

Answer 1

You should check if the ID you are providing to the find method is not null

OR

Consider using laravel's other method findOrFail which will throw ModelNotFoundException if no results.