Answers for "how to read model code laravel"

laravel model::query

// Eloquent's Model::query() returns the query builder

Model::where()->get();
// Is the same as 
Model::query()->where()->get();

Model::query();
// Can be useful to add query conditions based on certain requirements

// See https://stackoverflow.com/questions/51517203/what-is-the-meaning-of-eloquents-modelquery

laravel find query

foreach (Flight::where('foo', 'bar')->cursor() as $flight) {
    //
}