Difference between `hasOne` and `belongsTo`

In Laravel Eloquent, hasOne and belongsTo are used to define one-to-one relationships between models.

1. hasOne Relationship:

• Used in the parent model to define that it has one related child model.
• The foreign key is stored in the child model.
• Example: A User has one Profile.

class User extends Model
{
    public function profile()
    {
        return $this->hasOne(Profile::class);
    }
}

2. belongsTo Relationship:

• Used in the child model to define that it belongs to a parent model.
• The foreign key is stored in the same model where belongsTo is defined.
• Example: A Profile belongs to a User.

class Profile extends Model
{
    public function user()
    {
        return $this->belongsTo(User::class);
    }
}

Key Differences:

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