/laravel-eloquent

name: laravel-eloquent
description: Use when working with database models — Eloquent ORM, PHP attributes, relationships, queries, observers, or factories in Laravel 13.
versions:
  laravel: "13.0"
  php: "8.3"
user-invocable: true
references: references/legacy-properties.md, references/models.md, references/relationships-basic.md, references/relationships-many-to-many.md, references/relationships-advanced.md, references/relationships-polymorphic.md, references/eager-loading.md, references/scopes.md, references/casts.md, references/accessors-mutators.md, references/events-observers.md, references/soft-deletes.md, references/collections.md, references/serialization.md, references/factories.md, references/performance.md, references/resources.md, references/transactions.md, references/pagination.md, references/aggregates.md, references/batch-operations.md, references/query-debugging.md, references/templates/ModelBasic.php.md, references/templates/ModelRelationships.php.md, references/templates/ModelCasts.php.md, references/templates/Observer.php.md, references/templates/Factory.php.md, references/templates/Resource.php.md, references/templates/EagerLoadingExamples.php.md
related-skills: laravel-attributes, laravel-migrations, laravel-api, laravel-testing

<objective> Covers Laravel 13 Eloquent ORM with PHP 8.3 Attributes as the primary metadata mechanism (#[Table], #[Fillable], #[Hidden], #[Visible], #[Guarded], #[Casts], #[Appends], #[Touches], #[Connection]) alongside legacy property equivalents for backward compatibility. Includes all relationship types (basic, many-to-many, advanced, polymorphic), eager loading, scopes, accessors/mutators, events/observers, soft deletes, collections, serialization, factories, API resources, transactions, pagination, aggregates, batch operations, and query debugging/performance. </objective>

Laravel Eloquent ORM (L13 — Attributes-first)

Agent Workflow (MANDATORY)

Before ANY implementation, spawn 3 agents in parallel, one `Agent` call each with a `name`:

1. **fuse-ai-pilot:explore-codebase** - Inspect existing models, mixed property/attribute usage 2. **fuse-ai-pilot:research-expert** - Verify Laravel 13 Eloquent + Attributes docs via Context7 3. **mcp__context7__query-docs** - Query attribute patterns (#[Fillable], #[Casts], #[Scope])

After implementation, run **fuse-ai-pilot:sniper** for validation.

---

Overview

Laravel 13 promotes **PHP 8.3 Attributes** as the primary metadata mechanism on Eloquent models. Legacy properties (`$fillable`, `$hidden`, ...) remain supported for backward compatibility but should not be mixed with their attribute counterparts.

| Feature | Attribute (L13 MAIN) | Legacy property | |---------|---------------------|-----------------| | Table name | `#[Table('users')]` | `protected $table` | | Mass assignment | `#[Fillable([...])]` | `protected $fillable` | | Hidden / Visible | `#[Hidden([...])]` / `#[Visible([...])]` | `protected $hidden` / `$visible` | | Guarded | `#[Guarded([...])]` / `#[Unguarded]` | `protected $guarded` | | Casts | `#[Casts([...])]` | `casts()` method | | Appends | `#[Appends([...])]` | `protected $appends` | | Touches | `#[Touches([...])]` | `protected $touches` | | Connection | `#[Connection('mysql')]` | `protected $connection` |

---

Critical Rules

1. **Attributes are the source of truth** - Use `#[Fillable]`, `#[Casts]`, `#[Hidden]` on new code 2. **Never mix attribute + property** for the same concern (`#[Fillable]` AND `$fillable`) 3. **Eager load relationships** - Prevent N+1 queries with `with()` 4. **No `new Model()` in `boot()`** - Throws `LogicException` in L13 (booted lifecycle protected) 5. **Use factories** in tests - Never hardcode test data

---

Architecture

app/Models/
├── User.php              # #[Table], #[Fillable], #[Hidden], #[Casts]
├── Post.php              # #[Connection], #[Appends], relationships
└── Concerns/
    └── HasUuid.php       # Reusable trait

→ See [templates/ModelBasic.php.md](references/templates/ModelBasic.php.md)

---

Reference Guide

Concepts

• **Migration L12→L13:** [legacy-properties.md](references/legacy-properties.md)
• **Modeling:** [models.md](references/models.md) · [casts.md](references/casts.md) · [accessors-mutators.md](references/accessors-mutators.md) · [serialization.md](references/serialization.md) · [soft-deletes.md](references/soft-deletes.md)
• **Relationships:** [relationships-basic.md](references/relationships-basic.md) · [relationships-many-to-many.md](references/relationships-many-to-many.md) · [relationships-advanced.md](references/relationships-advanced.md) · [relationships-polymorphic.md](references/relationships-polymorphic.md)
• **Querying:** [eager-loading.md](references/eager-loading.md) · [scopes.md](references/scopes.md) · [aggregates.md](references/aggregates.md) · [pagination.md](references/pagination.md) · [batch-operations.md](references/batch-operations.md) · [query-debugging.md](references/query-debugging.md)
• **Lifecycle / Output:** [events-observers.md](references/events-observers.md) · [collections.md](references/collections.md) · [resources.md](references/resources.md) · [factories.md](references/factories.md) · [transactions.md](references/transactions.md) · [performance.md](references/performance.md)

Templates

| Template | When to Use | |----------|-------------| | [ModelBasic.php.md](references/templates/ModelBasic.php.md) | Attribute-based model | | [ModelRelationships.php.md](references/templates/ModelRelationships.php.md) | All relationship types | | [ModelCasts.php.md](references/templates/ModelCasts.php.md) | #[Casts] and accessors | | [Observer.php.md](references/templates/Observer.php.md) | Complete observer | | [Factory.php.md](references/templates/Factory.php.md) | Factory with states | | [Resource.php.md](references/templates/Resource.php.md) | API resource | | [EagerLoadingExamples.php.md](references/templates/EagerLoadingExamples.php.md) | N+1 prevention