==== 1) Setup & Tooling ==== * [[php:setup:install|Install & Runtime]] * [[php:setup:versions|PHP Versions]] * [[php:setup:cli|PHP CLI]] * [[php:setup:ini|php.ini basics]] * [[php:setup:error_reporting|error_reporting & display_errors]] * [[php:setup:php_fpm|PHP-FPM]] * [[php:setup:composer|Composer]] * [[php:setup:composer_init|composer init]] * [[php:setup:composer_require|composer require]] * [[php:setup:composer_update|composer update]] * [[php:setup:composer_scripts|Composer scripts]] * [[php:setup:autoloading|Autoloading]] * [[php:setup:psr4|PSR-4]] * [[php:setup:namespaces|Namespaces]] * [[php:setup:quality_tools|Quality Tools]] * [[php:setup:phpcsfixer|PHP-CS-Fixer]] * [[php:setup:phpcs|PHP_CodeSniffer]] * [[php:setup:phpstan|PHPStan]] * [[php:setup:psalm|Psalm]] * [[php:setup:debugging|Debugging]] * [[php:setup:xdebug|Xdebug]] * [[php:setup:var_dump|var_dump / dd]] ---- ==== 2) Language Basics ==== * [[php:basics:syntax|Syntax]] * [[php:basics:tags|PHP tags ()]] * [[php:basics:echo_print|echo vs print]] * [[php:basics:comments|Comments]] * [[php:basics:variables|Variables & Constants]] * [[php:basics:variables_intro|Variables ($x)]] * [[php:basics:constants|Constants (const, define)]] * [[php:basics:scope|Scope (global/local/static)]] * [[php:basics:superglobals|Superglobals ($_GET, $_POST, $_SERVER...)]] * [[php:basics:references|References (&)]] * [[php:basics:types|Types]] * [[php:basics:scalar_types|Scalar types]] * [[php:basics:array_type|Array type]] * [[php:basics:object_type|Object type]] * [[php:basics:strict_types|declare(strict_types=1)]] * [[php:basics:type_juggling|Type juggling]] * [[php:basics:operators|Operators]] * [[php:basics:comparison|== vs ===]] * [[php:basics:ternary|Ternary (?:)]] * [[php:basics:null_coalescing|Null coalescing (??)]] * [[php:basics:spaceship|Spaceship (<=>)]] * [[php:basics:control_flow|Control Flow]] * [[php:basics:if_else|if/else]] * [[php:basics:switch|switch]] * [[php:basics:match|match]] * [[php:basics:loops|for/foreach/while/do-while]] * [[php:basics:break_continue|break/continue]] * [[php:basics:functions|Functions]] * [[php:basics:params|Parameters & return types]] * [[php:basics:variadic|Variadic (...$args)]] * [[php:basics:named_args|Named arguments]] * [[php:basics:closures|Closures]] * [[php:basics:use_keyword|use keyword (capture)]] * [[php:basics:arrow_functions|Arrow functions (fn)]] * [[php:basics:generators|Generators (yield)]] ---- ==== 3) Data Structures & Data Handling ==== * [[php:data:strings|Strings]] * [[php:data:interpolation|Interpolation]] * [[php:data:formatting|Formatting (sprintf)]] * [[php:data:mbstring|Multibyte strings (mbstring)]] * [[php:data:regex|Regex (PCRE)]] * [[php:data:arrays|Arrays]] * [[php:data:indexed_vs_assoc|Indexed vs Associative]] * [[php:data:array_funcs|array_map/filter/reduce]] * [[php:data:sorting|Sorting]] * [[php:data:destructuring|Destructuring]] * [[php:data:spread|Spread operator (...)]] * [[php:data:json|JSON]] * [[php:data:json_encode|json_encode]] * [[php:data:json_decode|json_decode]] * [[php:data:json_errors|JSON errors]] * [[php:data:datetime|Date & Time]] * [[php:data:datetime_immutable|DateTimeImmutable]] * [[php:data:timezone|Timezone]] * [[php:data:dateinterval|DateInterval]] * [[php:data:files|Files]] * [[php:data:file_read_write|Read/Write files]] * [[php:data:uploads|Uploads basics]] * [[php:data:serialization|Serialization]] * [[php:data:serialize_unserialize|serialize/unserialize]] * [[php:data:security_serialization|Serialization security]] ---- ==== 4) OOP & Design ==== * [[php:oop:class_object|Class & Object]] * [[php:oop:properties_methods|Properties & Methods]] * [[php:oop:visibility|Visibility]] * [[php:oop:constructor|Constructor]] * [[php:oop:inheritance|Inheritance]] * [[php:oop:override|Override]] * [[php:oop:final|final]] * [[php:oop:interfaces|Interfaces]] * [[php:oop:abstract|Abstract classes]] * [[php:oop:traits|Traits]] * [[php:oop:exceptions|Exceptions]] * [[php:oop:try_catch|try/catch/finally]] * [[php:oop:custom_exceptions|Custom exceptions]] * [[php:oop:magic_methods|Magic methods]] * [[php:oop:modern_oop|Modern OOP features]] * [[php:oop:attributes|Attributes]] * [[php:oop:enums|Enums]] * [[php:oop:readonly|Readonly]] * [[php:oop:principles|Principles & Patterns]] * [[php:oop:solid|SOLID]] * [[php:oop:di|Dependency Injection (DI)]] * [[php:oop:patterns|Design Patterns]] * [[php:oop:ddd|DDD basics]] ---- ==== 5) Web & HTTP (Apps / APIs) ==== * [[php:web:http_basics|HTTP Basics]] * [[php:web:methods|Methods]] * [[php:web:status_codes|Status codes]] * [[php:web:headers|Headers]] * [[php:web:request_response|Request/Response in PHP]] * [[php:web:get_post|$_GET / $_POST]] * [[php:web:server_vars|$_SERVER]] * [[php:web:content_type|Content-Type]] * [[php:web:routing|Routing (concept)]] * [[php:web:views|Views & Templating]] * [[php:web:php_templates|PHP templates]] * [[php:web:twig|Twig (Symfony)]] * [[php:web:blade|Blade (Laravel)]] * [[php:web:sessions_cookies|Sessions & Cookies]] * [[php:web:session_start|session_start]] * [[php:web:cookie_flags|Cookie flags]] * [[php:web:uploads|File Uploads]] * [[php:web:$_files|$_FILES]] * [[php:web:upload_security|Upload security]] * [[php:web:api|API Design]] * [[php:web:rest|REST]] * [[php:web:pagination|Pagination]] * [[php:web:versioning|Versioning]] * [[php:web:validation|Validation]] * [[php:web:errors|Error responses]] ---- ==== 6) Database & Persistence ==== * [[php:db:pdo|PDO]] * [[php:db:prepared_statements|Prepared statements]] * [[php:db:transactions|Transactions]] * [[php:db:mysql|MySQL]] * [[php:db:indexes|Indexes]] * [[php:db:joins|Joins]] * [[php:db:migrations|Migrations]] * [[php:db:orm|ORM]] * [[php:db:eloquent|Eloquent]] * [[php:db:doctrine|Doctrine]] * [[php:db:repository|Repository pattern]] * [[php:db:cache_layer|Cache layer (Redis)]] ---- ==== 7) Security ==== * [[php:security:input_validation|Input validation]] * [[php:security:sql_injection|SQL Injection]] * [[php:security:xss|XSS]] * [[php:security:csrf|CSRF]] * [[php:security:auth|Authentication]] * [[php:security:passwords|Passwords]] * [[php:security:jwt|JWT]] * [[php:security:sessions_auth|Session auth]] * [[php:security:authorization|Authorization]] * [[php:security:rbac|RBAC]] * [[php:security:policies|Policies]] * [[php:security:cors|CORS]] * [[php:security:https|HTTPS]] * [[php:security:secrets|Secrets management]] ---- ==== 8) Testing & Quality ==== * [[php:testing:phpunit|PHPUnit]] * [[php:testing:unit|Unit tests]] * [[php:testing:integration|Integration tests]] * [[php:testing:mocking|Mocking]] * [[php:testing:pest|Pest]] * [[php:testing:static_analysis|Static analysis]] * [[php:testing:phpstan|PHPStan]] * [[php:testing:psalm|Psalm]] * [[php:testing:coverage|Code coverage]] * [[php:testing:ci|CI testing pipeline]] ---- ==== 9) Performance & Scaling ==== * [[php:performance:opcache|OPcache]] * [[php:performance:profiling|Profiling]] * [[php:performance:caching|Caching]] * [[php:performance:redis|Redis]] * [[php:performance:cache_strategies|Cache strategies]] * [[php:performance:queues|Queues]] * [[php:performance:async|Async/Concurrency]] * [[php:performance:swoole|Swoole]] * [[php:performance:reactphp|ReactPHP]] ---- ==== 10) Frameworks ==== * [[php:frameworks:laravel|Laravel]] * [[php:frameworks:laravel_routing|Routing]] * [[php:frameworks:laravel_controllers|Controllers]] * [[php:frameworks:laravel_middleware|Middleware]] * [[php:frameworks:laravel_validation|Validation]] * [[php:frameworks:laravel_eloquent|Eloquent]] * [[php:frameworks:laravel_queue|Queues]] * [[php:frameworks:symfony|Symfony]] * [[php:frameworks:symfony_di|DI Container]] * [[php:frameworks:symfony_routing|Routing]] * [[php:frameworks:symfony_httpfoundation|HttpFoundation]] * [[php:frameworks:slim|Slim]] * [[php:frameworks:psr|PSR Standards]] * [[php:frameworks:psr7|PSR-7 HTTP Messages]] * [[php:frameworks:psr15|PSR-15 Middleware]] * [[php:frameworks:psr3|PSR-3 Logger]] ---- ==== 11) Deployment & Operations ==== * [[php:deploy:nginx_phpfpm|Nginx + PHP-FPM]] * [[php:deploy:virtual_host|Virtual host]] * [[php:deploy:permissions|Permissions]] * [[php:deploy:docker|Docker]] * [[php:deploy:dockerfile|Dockerfile]] * [[php:deploy:compose|docker-compose]] * [[php:deploy:ci_cd|CI/CD]] * [[php:deploy:github_actions|GitHub Actions]] * [[php:deploy:monitoring|Monitoring]] * [[php:deploy:logs|Logs]] * [[php:deploy:metrics|Metrics]] * [[php:deploy:alerting|Alerting]]