Eloquent ORM

Eloquent is Laravel's built-in ORM (Object-Relational Mapper). It allows you to interact with your database using PHP objects instead of writing raw SQL queries.

Example

// app/Models/Post.php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;

class Post extends Model {
    protected $fillable = ['title', 'body', 'user_id', 'published_at'];
    protected $casts = ['published_at' => 'datetime'];

    public function user() {
        return $this->belongsTo(User::class);
    }
    public function tags() {
        return $this->belongsToMany(Tag::class);
    }
    public function scopePublished($query) {
        return $query->whereNotNull('published_at');
    }
}

// Eloquent queries
$posts = Post::published()->latest()->paginate(10);
$post  = Post::with('user', 'tags')->findOrFail($id);
$post  = Post::create(['title' => 'Hello', 'body' => 'World', 'user_id' => 1]);
$post->update(['title' => 'Updated Title']);
$post->delete();

// Relationships
$user  = User::find(1);
$posts = $user->posts()->where('published_at', '!=', null)->get();
echo $post->user->name;

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