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Technical Articles

PHP Framework

How to send email in Yii using SwiftMailer

First configure the SwiftMailer component, and then send emails through Yii::$app->mailer. 1. Use Composer to install SwiftMailer; 2. Configure the mailer component in config/web.php, set SMTP parameters such as host, port, encryption method, etc.; 3. Call Yii::$app->mailer->compose() in the controller to set the sender, recipient, topic and content and send it; 4. Optionally set useFileTransport to true to save the email as a file for testing.

Sep 03, 2025 am 03:22 AM

yii

How to implement localization and internationalization in Laravel?

Createlanguagefilesinresources/lang/{locale}/,2.Use__('file.key')or@lang('file.key')toretrievetranslations,3.SetlocaledynamicallyviaApp::setLocale('xx'),4.Detectuserlanguagefrombrowserheaderoruserinput,5.UsemiddlewaretohandlelocalefromURLsegments,6.O

Sep 03, 2025 am 12:35 AM

laravel localization

How to build a mobile app backend with Laravel

Using Laravel to build a mobile backend requires first installing the framework and configuring the database environment; 2. Define API routes in routes/api.php and return a JSON response using the resource controller; 3. Implement API authentication through LaravelSanctum to generate tokens for mobile storage and authentication; 4. Verify file type when uploading files and store it on public disk, and create soft links for external access; 5. The production environment requires HTTPS, set current limits, configure CORS, perform API version control and optimize error handling. It is also recommended to use API resources, paging, queues and API document tools to improve maintainability and performance. Use Laravel to build a safe,

Sep 02, 2025 am 08:34 AM

laravel Mobile application backend

How to use policy classes for authorization in Laravel?

The Laravel policy class provides a clear and scalable way to manage user permissions for the Eloquent model. 1. Use the Artisan command phpartisanmake:policyPostPolicy--model=Post to create a policy class; 2. Register policies through the $policies array in AuthServiceProvider; 3. Define update, delete and other methods in the policy class, and use the before method to set global rules such as administrator permissions; 4. Use the authorize method in the controller, use the @can directive in the Blade template, and use the can middleware in the route to execute

Sep 02, 2025 am 07:57 AM

How to manage assets with Laravel Mix

LaravelMix simplifies front-end resource management in Laravel applications. 1. Organize CSS, JS, Sass and image files in resources/directory; 2. Define compilation rules in webpack.mix.js, such as using mix.sass() and mix.js() to compile styles and scripts, enable production environment version control through mix.version(), mix.copy() to copy static resources, mix.sourceMaps() to enable development and debugging; 3. Use npmrundev, watch or production commands to compile resources; 4. Use mix() helper functions to introduce a band in the Blade template.

Sep 02, 2025 am 05:57 AM

asset Management

How to use localization to build multi-language apps in Laravel

Create directories such as resources/lang/en and resources/lang/es and define messages.php language files; 2. Set the default language locale and alternate language fallback_locale in config/app.php; 3. Use App::setLocale() to dynamically switch languages, and combine middleware to automatically set them according to session or request headers; 4. Add {locale} prefix to implement multilingual URLs through routing packets, and generate localized links in templates; 5. Use the __() function or @lang instruction to call translation in controllers and views, supporting the plural form viatrans_choice

Sep 02, 2025 am 04:54 AM

How to upload files in a Yii application

File uploads require correct configuration of form encoding, model verification and secure storage. 1. Create model definition file attributes and verification rules; 2. Use ActiveForm in the view and set enctype; 3. The controller obtains the upload instance and saves it after verification; 4. Verify the extension and size, use random file names, and store them in non-Web directories to ensure security.

Sep 02, 2025 am 02:24 AM

File Upload yii framework

How to handle database transactions in Yii

Yiiensuresdataintegritythroughtransactionmanagement,allowingrollbackonfailure.UsebeginTransaction()formanualcontrolortransaction()withaclosureforautomaticcommit/rollback.ActiveRecordmodelsautomaticallyparticipateintransactionswhenusingthesameconnecti

Sep 02, 2025 am 01:46 AM

yii database transaction

How to use queues for background jobs in Laravel?

Configure the queue driver, set QUEUE_CONNECTION to database or redis, and create jobs table or configure Redis; 2. Use phpartisanmake:job to create a task class and implement the ShouldQueue interface to ensure asynchronous execution; 3. Distribute tasks through the dispatch method, support delays and specified queues; 4. Run phpartisanqueue:work to start the queue processor, and the production environment should use Supervisor to manage processes; 5. Configure failed task processing, generate failed_jobs table and use --tries and --delay parameters to control retry, which can be viewed through the command

Sep 02, 2025 am 01:35 AM

How to build a notification system with Laravel

Runphpartisannotifications:tableandmigratetosetupthedatabase.2.Createanotificationclassusingphpartisanmake:notificationNewMessageReceivedanddefinechannelsintheviamethod,dataintoDatabase,andreal-timebroadcastingintoBroadcast.3.Sendnotificationsvia$use

Sep 01, 2025 am 08:15 AM

How to implement a job board with Laravel

SetupLaravelandconfigurethedatabasebycreatinganewprojectandrunningmigrations.2.CreateaJobmodelwithamigrationdefiningfieldsliketitle,description,company,location,type,salary,anduser_id,thenrunthemigration.3.InstallLaravelBreezeforauthenticationtoenabl

Sep 01, 2025 am 07:23 AM

How to use soft deletes with Eloquent models in Laravel?

AddtheSoftDeletestraittoyourmodeltoenablesoftdeletefunctionality.2.Addadeleted_atcolumnusing$table->softDeletes()inyourmigrationandrunphpartisanmigrate.3.Calldelete()onamodelinstancetoperformasoftdelete,whichsetsthedeleted_attimestamp.4.UsewithTra

Sep 01, 2025 am 06:55 AM

laravel eloquent

How to create a social network with Laravel

Yes,youcancreateasocialnetworkwithLaravelbyfollowingthesesteps:1.SetupLaravelusingComposer,configurethe.envfile,enableauthenticationviaBreeze/Jetstream/Fortify,andrunmigrationsforusermanagement.2.Implementcorefeaturesincludinguserprofileswithavatarsa

Sep 01, 2025 am 06:39 AM

laravel Social network

How to rate limit API requests in Laravel

Laravel implements API request flow restriction through the built-in throttle middleware and RateLimiter facade. First, use throttle middleware to set fixed limits directly in the route, such as 60 times/minute; secondly, through RateLimiter, dynamic flow restriction rules based on user identity can be defined in the RouteServiceProvider, such as unlimited administrators, authenticated users 100 times per hour, and tourists 10 times per hour by IP; finally, you can customize the restriction key name, over-limit response and expiration time by combining by(), response(), decayMinutes() and other methods, and it is recommended to configure Redis in high concurrency scenarios to ensure performance.

Sep 01, 2025 am 02:25 AM