How to update parent timestamp when a child is updated in Laravel

Categorized as Laravel Tagged ,

Laravel quick tip – you can update the parent model timestamp when a child has got updated. All you have to do is define a property called $touches, assuming you have a belongsTo or belongsToMany relationship.

class Comment extends Model
{
	protected $touches = ['post'];

	public function post()
	{
		return $this->belongsTo(Post::class);
	}

}

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