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Create referrals table to record recommendation relationships, including referrals, referrals, recommendation codes and usage time; 2. Define belongsToMany and hasMany relationships in the User model to manage recommendation data; 3. Generate a unique recommendation code when registering (can be implemented through model events); 4. Capture the recommendation code by querying parameters during registration, establish a recommendation relationship after verification and prevent self-recommendation; 5. Trigger the reward mechanism when recommended users complete the specified behavior (subscription order); 6. Generate shareable recommendation links, and use Laravel signature URLs to enhance security; 7. Display recommendation statistics on the dashboard, such as the total number of recommendations and converted numbers; it is necessary to ensure database constraints, sessions or cookies are persisted,

Chooseafeatureflagstrategysuchasconfig-based,database-driven,orthird-partytoolslikeFlagsmith.2.Setupadatabase-drivensystembycreatingamigrationforafeature_flagstablewithname,enabled,andrulesfields,thenrunthemigration.3.CreateaFeatureFlagmodelwithfilla

AccessorsandmutatorsinLaravel'sEloquentORMallowyoutoformatormanipulatemodelattributeswhenretrievingorsettingvalues.1.Useaccessorstocustomizeattributeretrieval,suchascapitalizingfirst_nameviagetFirstNameAttribute($value)returningucfirst($value).2.Usem

Create a new Laravel project and start the service; 2. Generate the model, migration and controller and run the migration; 3. Define the RESTful route in routes/api.php; 4. Implement the addition, deletion, modification and query method in PostController and return the JSON response; 5. Use Postman or curl to test the API function; 6. Optionally add API authentication through Sanctum; finally obtain a clear structure, complete and extensible LaravelRESTAPI, suitable for practical applications.

The Repository pattern is a design pattern used to decouple business logic from data access logic. 1. It defines data access methods through interfaces (Contract); 2. The specific operations are implemented by the Repository class; 3. The controller uses the interface through dependency injection, and does not directly contact the data source; 4. Advantages include neat code, strong testability, easy maintenance and team collaboration; 5. Applicable to medium and large projects, small projects can use the model directly.

SetupLaravelasanAPIbackendbyinstallingLaravel,configuringthedatabase,creatingAPIroutes,andreturningJSONfromcontrollers,optionallyusingLaravelSanctumforauthentication.2.ChoosebetweenastandaloneReactSPAservedseparatelyorusingInertia.jsfortighterLaravel

Use FormRequests to extract complex form verification logic from the controller, improving code maintainability and reusability. 1. Creation method: Generate the request class through the Artisan command make:request; 2. Definition rules: Set field verification logic in the rules() method; 3. Controller use: directly receive requests with this class as a parameter, and Laravel automatically verify; 4. Authorization judgment: Control user permissions through the authorize() method; 5. Dynamic adjustment rules: dynamically return different verification rules according to the request content.

LaravelEloquentsupportssubqueriesinSELECT,FROM,WHERE,andORDERBYclauses,enablingflexibledataretrievalwithoutrawSQL;1.UseselectSub()toaddcomputedcolumnslikepostcountperuser;2.UsefromSub()orclosureinfrom()totreatsubqueryasderivedtableforgroupeddata;3.Us