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Technical Articles

PHP 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

How to handle file uploads in Yii

Answer: To handle file upload in Yii, you need to set the form enctype to multipart/form-data, use the UploadedFile class to get the file, verify the file type through the model verification rules, and save the file in the controller. Make sure that the upload directory can be written and renamed for security.

Sep 01, 2025 am 01:32 AM

File Upload yii

How to reset a user password in Yii

Answer: To implement password reset in Yii2, you need to add password_reset_token and expiration time fields, generate a unique token and send it to the user's mailbox, and allow the user to set a new password by verifying the validity of the token, and finally clean the expired token. The specific steps include: 1. Modify the database to add token fields; 2. Implement the generatePasswordResetToken method in the User model to generate a time stamped token and set an hour validity period; 3. Create a PasswordResetRequestForm form to process the request, find the user and send an email with a reset link; 4. Define the strength of the ResetPasswordForm model to verify the new password

Sep 01, 2025 am 12:13 AM

yii reset Password

How to use route model binding in Laravel

Laravel's routing model binding can automatically inject model instances into routes to avoid manual query of databases. 1. Implicit binding: When the routing parameter name such as {user} matches the User$user in the controller, Laravel automatically finds the model according to the ID and injects it. If it is not found, it will return 404. 2. Custom routing key: Rewrite the getRouteKeyName method in the model to specify that the binding is used for fields such as slug. For example, after the Post model returns 'slug', access to /posts/laravel-tutorial will automatically find the records of the corresponding slug. 3. Explicit binding: Boot method in RouteServiceProvider

Aug 31, 2025 am 09:06 AM

How to implement a 'remember me' functionality in Laravel

Ensure that there is a remember_token column in the user table. Laravel's default migration already includes this field. If not, it will be added through migration; 2. Add a check box with name remember in the login form to provide the "Remember Me" option; 3. Pass the remember parameter to the Auth::attempt() method during manual authentication to enable persistent login; 4. "Remember Me" lasts for 5 years by default, and can be customized through the remember_for configuration item in config/auth.php; 5. Laravel automatically invalidates remember_token when password changes or user deletes. It is recommended to use HTTPS to ensure security in the production environment; 6

Aug 31, 2025 am 08:53 AM

laravel

How to use WebSockets for real-time updates in Laravel

SettheBROADCAST_DRIVERtopusherorredisinthe.envfileandinstalltherequiredpackages:pusher/pusher-php-serverandlaravel-echopusher-js.2.ConfigurePushercredentialsin.envoruseLaravelWebSocketsforself-hostingbyinstallingbeyondcode/laravel-websockets.3.Create

Aug 31, 2025 am 07:37 AM

How to use Gii for code generation in Yii

EnableGiiinconfig/web.phpbyaddingthemoduleandsettingallowedIPs,thenaccesshttp://your-app-url/index.php?r=gii,useModelGeneratortocreatemodelsfromdatabasetables,anduseCRUDGeneratortogeneratecontrollersandviewsforfullCRUDoperations.

Aug 31, 2025 am 06:56 AM

yii gii

How to use Laravel's Task Scheduling

Laravel's TaskScheduling system allows you to define and manage timing tasks through PHP, without manually editing the server crontab, you only need to add a cron task that is executed once a minute to the server: *cd/path-to-your-project&&phpartisanschedule:run>>/dev/null2>&1, and then all tasks are configured in the schedule method of the App\Console\Kernel class; 1. Defining tasks can use command, call or exec methods, such as $schedule-

Aug 31, 2025 am 06:07 AM

laravel Task scheduling