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Developer tools · #doctrine
Learn how to avoid memory overload when querying thousands of Doctrine entities by paginating with QueryBuilder and the Doctrine Paginator.
Learn how to create a custom Doctrine repository, write efficient QueryBuilder queries, inject them into services, and verify the generated SQL while avoiding the N+1 problem.
Stop redundant database queries by implementing Doctrine's Second Level Cache (SLC). Learn how to configure Redis as a provider and choose the right concurrency strategy for your data.
Learn how Doctrine’s Paginator adds LIMIT/OFFSET and a distinct count query to load only the needed entities, reducing memory usage on large lists.
A decision guide for Doctrine ORM pagination: compare offset‑based LIMIT/OFFSET with cursor‑based seek pagination, see trade‑offs in a compact table, and copy ready‑to‑use repository examples with EXPLAIN validation steps.
A diagnostic guide to the N+1 query problem in Doctrine ORM: how to recognize lazy-loading overhead in the profiler, when JOIN FETCH is the right fix, and when eager loading makes things worse.
Learn when to use pure versus backed PHP enums, how to model domain states, persist them with Doctrine, and avoid common pitfalls.
Guide to decide which Symfony Messenger transport fits your throughput, reliability, and ops constraints, with a ready‑to‑run config example.
When a PHP app hits production, changing the database can feel risky. Doctrine Migrations turns schema evolution into a repeatable, safe process. This post walks through migration files, the CLI lifecycle, a hands‑on example, and real‑world trade‑offs.
redis
symfony
rabbitmq