// app/Models/Image.php
class Image extends Model
{
    public function imageable()
    {
        return $this->morphTo();
    }
}

// app/Models/Post.php
class Post extends Model
{
    public function images()
    {
        return $this->morphMany(Image::class, 'imageable');
    }
}

// app/Models/Video.php
class Video extends Model
{
    public function images()
    {
        return $this->morphMany(Image::class, 'imageable');
    }
}

// Usage:
// Attach images to a post
$post = Post::find(1);
$post->images()->create(['url' => 'post-image-1.jpg', 'alt_text' => 'Post Image']);

// Attach images to a video
$video = Video::find(5);
$video->images()->create(['url' => 'video-thumbnail.jpg', 'alt_text' => 'Video Thumbnail']);

// Retrieve the "parent" of an image (e.g., Post or Video)
$image = Image::find(1);
$imageable = $image->imageable; 

if ($imageable instanceof Post) {
    echo "Image belongs to a Post: " . $imageable->title . "
";
} elseif ($imageable instanceof Video) {
    echo "Image belongs to a Video: " . $imageable->title . "
";
} else {
    echo "Image owner type unknown.
";
}