Laravel 5 dynamic input fields saving relation to database

Question

I have a dynamic input field called name="step[]". When submitting the form and displaying the $request->step using dd, I get this:

array:3 [
  0 => "Test Step 1"
  1 => "Test Step 2"
  2 => "Test Step 3"
]

So it is an array. Now, when I want to insert the data using:

    $project = new Project;

    $project->name = $request->name;

    $project->save();

    $project->steps()->saveMany($request->step);

I am getting this error:

Argument 1 passed to Illuminate\Database\Eloquent\Relations\HasOneOrMany::save() must be an instance of Illuminate\Database\Eloquent\Model, string given

Project Model:

public function steps()
{
    return $this->hasMany('App\Step');
}

My goal is to create a new Project and save it to the database, and save all steps in my Step table. So each Project hasMany steps. Not sure why I am getting the above error though, since I am passing an array?

An array yes. An array of models, no. $project->steps()->saveMany( /** array of models expected */). — David Barker
– David Barker, Commented Feb 23, 2016 at 15:45

Ben · Accepted Answer · 2016-02-23 15:44:05Z

1

I usually realize using a foreach loop. Your relation method seems to look OK. Does this work?

foreach($request->steps as $step) {
  $project->steps()->create(['step' => $step]);
}

answered Feb 23, 2016 at 15:44

Ben

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1 Comment

Hardist Over a year ago

This works in the meanwhile :) I wanted to do something without using a foreach, but since David Barker pointed out to me why I am getting the error, I can work on achieving what I want :)

Diego Vidal · Accepted Answer · 2016-02-23 15:44:14Z

0

Did you try using the attach method?

$project->steps()->attach($resquest->input('steps'));

answered Feb 23, 2016 at 15:44

Diego Vidal

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