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PHP: namespaces, PSR-4 autoloading, traits, interfaces, typing ketat PHP 8+
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Arsitektur Symfony: HttpKernel, siklus Request/Response, events, kernel listeners
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Controllers: routing, annotations/attributes, parameter request, tipe response
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Routing: YAML/annotations/attributes, parameter route, requirements, prefixes
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Dependency Injection: services, autowiring, service container, compiler passes
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Doctrine ORM: entities, annotations/attributes, associations (@OneToMany, @ManyToOne)
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Repositories Doctrine: query kustom, QueryBuilder, DQL (Doctrine Query Language)
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Migrations: DoctrineMigrationsBundle, versioning, migrasi up/down
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Twig: sintaks template, filters, functions, pewarisan (extends, block), includes
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Forms: FormType, form builders, constraints validasi, tipe form kustom
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Validasi: constraint annotations (@NotBlank, @Email), validator kustom, groups
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Security: authentication providers, voters, firewalls, hierarki peran, remember me
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Events: EventDispatcher, event subscribers, kernel events (request, response, exception)
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Serializer: normalisasi, denormalisasi, groups, normalizer kustom, format (JSON, XML)
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Messenger: message handlers, transports, pemrosesan async, strategi retry
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Console: commands (kelas Command), input/output, helpers, progress bars
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HTTP Client: komponen HttpClient, requests, autentikasi, mekanisme retry
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Cache: cache pools, cache tags, adapters (Redis, APCu, Filesystem)
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Bundles: struktur bundle, extension class, konfigurasi, bundle pihak ketiga
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Pengujian: PHPUnit, WebTestCase, tes fungsional, fixtures, mocking
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Performa: profiler, strategi caching, lazy loading, opcache, preloading PHP 8
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API Platform: REST/GraphQL APIs di atas Symfony, serialisasi, filter, paginasi
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Deployment: Symfony CLI, variabel lingkungan (.env), Docker, composer optimize