CODEWITHSUNDEEP
phplaravel-4eloquent
Donnie
Donnie

Reputation: 6351

Eloquent attach() on a non-object error

I am trying to attach a message to a conversation (many-to-many), but I am getting an error. What am I missing?

Pivot Table Schema

conversation_message (conversation_id, message_id)

Models

class Conversation extends Eloquent
{
    public function messages()
    {
        $this->belongsToMany('Message', 'conversation_message', 'conversation_id', 'message_id');
    }
}

class Message extends Eloquent
{
    public function conversations()
    {
        $this->belongsToMany('Conversation', 'conversation_message', 'message_id', 'conversation_id');
    }
}

Controller

$conversation = Conversation::find(1);
$message = Message::find(1);
$conversation->messages()->attach($message);

Error

Call to a member function attach() on a non-object

Upvotes: 2

Views: 1479

Answers (1)

Jarek Tkaczyk
Jarek Tkaczyk

Reputation: 81187

There are returns missing in both methods:

class Conversation extends Eloquent
{
    public function messages()
    {
        return $this->belongsToMany('Message', 'conversation_message', 'conversation_id', 'message_id');
    }
}

class Message extends Eloquent
{
    public function conversations()
    {
        return $this->belongsToMany('Conversation', 'conversation_message', 'message_id', 'conversation_id');
    }
}

Upvotes: 5

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