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Technical Articles

PHP Framework

How to eager load relationships in Laravel

To resolve N 1 query issues in Laravel, you must use eagerloading. 1. Use the with() method to preload relationships during query, such as User::with('posts')->get() can optimize the query into two; 2. Support nested loading through point syntax, such as with('posts.comments.author') to achieve multi-layer relationship preloading; 3. You can load conditions through closure constraints, such as loading only published articles; 4. Use the load() method to achieve delayed preloading, which is suitable for scenarios where relationships need to be loaded after subsequent condition judgments; 5. Avoid N 1 problems caused by accessing relationships in a loop, and with() should be with() in advance

Aug 25, 2025 am 12:23 AM

How to generate invoices in Laravel

Install the barryvdh/laravel-dompdf package and configure the service provider and facade; 2. Create a Blade template that uses inline style to design the invoice style; 3. Use the PDF facade to load the view and generate the PDF in the controller, and you can choose to download, preview or save; 4. Define the PDF in the route to generate the route; 5. Optionally set PDF options such as paper size, direction and margins, and finally generate the invoice PDF and output it completely through the Blade template and the data.

Aug 25, 2025 am 12:03 AM

How to create a REST API with Laravel

Create a Laravel project and start a service; 2. Configure database connections; 3. Generate a model, migrate and run a migration; 4. Create an API controller; 5. Define routes in api.php; 6. Implement the controller's CRUD method; 7. Use Postman or curl to test the interface; 8. Use FormRequest to handle verification; 9. Use APIResource to format the response; 10. Configure CORS to allow cross-domain requests. Through these 10 steps, you can build a basic RESTfulAPI and extend the functions based on this, and finally complete a complete LaravelRESTAPI application.

Aug 24, 2025 pm 12:46 PM

How to implement authentication in Laravel

Use LaravelBreeze to install the authentication function, and quickly build a login, registration, password reset and mailbox verification system through composerrequirelaravel/breeze--dev and phpartisanbreeze:install commands; 2. Configure database connection information in the .env file and run phpartisanmigrate to create user tables and related data tables; 3. Use auth middleware to protect pages that require authentication, such as Route::middleware('auth') group routing, or use auth:sanctum middleware for APIs; 4. You can select custom authentication behaviors, such as

Aug 24, 2025 pm 12:41 PM

How to work with WebSockets in Laravel?

Laravel does not support WebSocket natively, but can be implemented through the broadcasting system in combination with external tools; 1. Select drivers such as LaravelWebSockets; 2. Install and configure beyondcode/laravel-websockets package; 3. Set BROADCAST_DRIVER=pusher in .env and configure the Pusher option to point to local services; 4. Create an event class that implements ShouldBroadcast and define the broadcast channel and name; 5. Start phpartisanserve and phpartisanwebsockets:serve services; 6. Introduce Pusher in the front-end

Aug 24, 2025 pm 12:26 PM

laravel

How to use middleware in Laravel

MiddlewareinLaravelactsasafilterforincomingrequests,allowingyoutocheck,modify,orblockthembeforereachingroutesorcontrollers.2.Tocreatecustommiddleware,usethecommandphpartisanmake:middlewareEnsureUserIsAdmin,whichgeneratesaclassinapp/Http/Middlewarewhe

Aug 24, 2025 pm 12:00 PM

laravel middleware

How to configure Yii for a shared hosting environment

To make Yii run normally on a shared host, you need to follow the following steps: 1. Move index.php and assets to public_html and adjust the path to ensure that the application core file is outside the web root directory; 2. Set the protected/runtime and public_html/assets directories to be writable, use chmod775 or adjust permissions according to server requirements; 3. Configure .htaccess in public_html to enable clean URLs, and set the enablePrettyUrl and showScriptName of the urlManager in web.php; 4. Configure the database like db.

Aug 24, 2025 am 10:24 AM

yii shared hosting

How to group routes in Laravel

In Laravel, routing packets can be implemented through the Route::group() method, 1. Use Route::group() to wrap the route and pass in the attribute array and closure; 2. Use Route::middleware() to uniformly apply middleware such as auth for routing within the group; 3. Use prefix to add URI prefix such as admin; 4. Use name() to add prefix to route names such as admin.; 5. Use namespace to specify the controller namespace in the old version, but Laravel8 recommends using full class names; 6. You can nest groups to achieve finer granular control; 7. You can combine middleware, prefix, name and other attributes into the same group, from

Aug 24, 2025 am 10:06 AM

How to set up a queue in Laravel

SetQUEUE_CONNECTION=databaseorredisin.envandensuredependencieslikeRedisareinstalled.2.Createajobusingphpartisanmake:jobProcessPodcastandaddbackgroundlogicinthehandle()method.3.DispatchthejobviaProcessPodcast::dispatch($data)fromanypartoftheapplicatio

Aug 24, 2025 am 08:34 AM

How to prevent cross-site request forgery (CSRF) in Yii

When creating a form using ActiveForm or Html::beginForm(), Yii will automatically inject CSRF tokens and verify without additional code; 2. In non-ActiveForm scenarios (such as AJAX requests), CSRF tokens need to be manually obtained and sent. The tokens in the meta tag can be read through JavaScript and set the request header; 3. Disable CSRF verification by rewriting beforeAction() method in the controller only when necessary (such as public APIs or Webhooks), and ensure that these endpoints do not rely on user sessions or perform sensitive operations; 4. Configure the cookie attribute of SameSite=Lax or Strict to enhance prevention

Aug 24, 2025 am 08:07 AM

yii csrf

How to manage database migrations in Laravel

Laravelmigrationsshouldbemanagedbycreatingnewmigrationsforchangesinsteadofmodifyingexistingones,usingdescriptivenames,groupingrelatedchanges,ensuringsafetywithSchemachecks,handlingforeignkeyscarefully,testingbidirectionally,andneveralteringpushedmigr

Aug 24, 2025 am 07:55 AM

How to debug a Yii application

To effectively debug Yii applications, first enable debug mode and install debug extensions. For Yii2, you need to install yiisoft/yii2-debug through Composer and configure debug module in config/web.php and set allowedIPs. For Yii3, install yiisoft/yii-debug and register DebugModule in the configuration and add it to the bootstrap list; then use Yii's log system, call Yii::info, Yii::warning, Yii::error in the code to record information, and use runtime/logs/app.log or debug toolbar

Aug 24, 2025 am 06:26 AM

How to upgrade your Laravel application to the latest version

CheckyourcurrentLaravelversionusingphpartisan--versionandreviewtheofficialupgradeguideforcompatibilityrequirements,ensuringyourPHPversionanddependenciesalignwiththetargetLaravelversion.2.Alwaysbackupyourcodebase,database,andenvironmentfilesbeforestar

Aug 24, 2025 am 05:28 AM

How to manage assets with Laravel Mix?

LaravelMixispre-installedinLaravel5.4 ,withsetupvianpminstallifneeded;2.Defineassetcompilationinwebpack.mix.jsforJS,CSS,SCSS,ormultipleentrypoints;3.Usemix.version()forcachebustinginproductionandthemix()helperinBladetemplatestoloadcorrectassets;4.Ena

Aug 24, 2025 am 05:26 AM