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Learn how Doctrine ORM's DTO projection and array hydration modes let you skip full entity materialization for read‑only queries, cutting memory use and identity‑map pressure with a concrete QueryBuilder example.
Migrate legacy string/integer constants to PHP 8.1+ backed enums for type-safe domain modeling. Covers validation with ::tryFrom(), exhaustive match expressions, and Doctrine ORM mapping.
Learn how to reduce memory overhead in Doctrine ORM by choosing the correct hydration modes and implementing scalable pagination strategies for large datasets.
Doctrine's setFirstResult and setMaxResults work for early pages, but deep OFFSET pagination scans discarded rows. Learn when to switch to keyset pagination.
Doctrine flush() with no UPDATE? Check if your entity is managed, inspect the UnitOfWork change set, and verify mapping and transaction boundaries.
PhpStorm parses PHP 8 attributes as code, enabling navigation, refactoring and an intention to convert Doctrine docblock annotations to #[ORM\Entity] attributes. Version and library compatibility matter before bulk migration.
Your entity vanishes after flush() with no error. This guide walks through the five most common Doctrine ORM causes—missing identifier strategies, uncommitted transactions, absent cascade persist, detached proxies, and swallowed exceptions—with ordered checks and fixes.
Doctrine's second-level cache shares serialized entity data across EntityManager instances. This guide covers configuration, mapping, verification, and common pitfalls.
A task guide to registering a Sulu Smart Content data provider that exposes Doctrine ORM entities to templates, with SQL pagination and admin-facing configuration.
php
doctrine
symfony
sulu