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Technical Articles

PHP Framework

Laravel form validation tutorial

Laravel form verification can be implemented through the validate() method in the controller. 1. Use validate() to define rules such as required, email, unique, etc. to ensure data compliance; 2. You can pass in the second parameter to customize the error message, or set a global Chinese prompt in lang/zh-CN/validation.php; 3. Use the @error directive to display error messages in the Blade template, and use old() to retain the input value; 4. Advanced skills include: a) use sometimes to implement conditional verification, b) verify array fields through users.*.name syntax, c) create form

Jul 28, 2025 am 04:18 AM

What is Laravel Octane and when is it useful?

LaravelOctaneisusefulforimprovingperformanceinhigh-traffic,low-latency,orreal-timeapplicationsbykeepingtheLaravelframeworkloadedinmemoryusingSwooleorRoadRunner.1.Itexcelsinhigh-trafficapplicationsbyreducingserverloadandresponsetimethroughpersistentap

Jul 28, 2025 am 04:13 AM

php

What is Laravel Octane?

LaravelOctaneisaperformance-boostingpackagethatimprovesresponsetimesandthroughputbyservingLaravelapplicationsviaSwoole,OpenSwoole,orRoadRunner.1.UnliketraditionalPHP-FPM,whichbootsLaraveloneveryrequest,Octaneloadstheapponceandkeepsitinmemory.2.Thisel

Jul 28, 2025 am 04:12 AM

php

Yii and security: what are the top options?

ToenhanceYiiapplicationsecurity,use:1)Yii'sbuilt-infeatureslikeCSRFprotectionandinputvalidation;2)Third-partyextensionssuchasyii2-redisforsessionstorageandyii2-authclientforOAuth;3)Bestpracticesincludingregularupdates,secureconfigurations,androbustlo

Jul 28, 2025 am 03:04 AM

What are Action classes in Laravel and why use them?

ActionclassesinLaravelshouldbeusedtoencapsulatecomplexbusinesslogicintosingle-responsibilityclassesforbettercodeorganization.1.Theyenforceseparationofconcernsbymovinglogicoutofcontrollers.2.Theyimprovereusabilityacrosscontrollers,commands,andqueues.3

Jul 28, 2025 am 03:01 AM

Laravel performance optimization tips

OptimizeComposer’sautoloaderusingcomposerinstall--optimize-autoloader--no-devandcomposerdump-autoload--classmap-authoritativetospeedupclassloading.2.Cacheconfigurationandroutesinproductionwithphpartisanconfig:cacheandphpartisanroute:cachetoreduceboot

Jul 28, 2025 am 02:29 AM

What is the purpose of the web directory in Yii?

ThewebdirectoryinYiiservesasthepublicentrypointforuserrequests,enhancingsecurityandorganization.Itcontainstheindex.phpfileandallstaticassetslikeCSS,JS,andimages,ensuringthatsensitiveapplicationfilessuchasconfigsandmodelsremainoutsideofpublicaccess.1.

Jul 28, 2025 am 02:28 AM

yii Web目錄

How to define a many-to-many relationship in Laravel?

To define many-to-many relationships in Laravel, you need to create a model and migration, define an Eloquent relationship and use related methods to operate; 1. Create a User and Role model and role_user association table migration, set a foreign key and add a unique index to prevent duplication; 2. Define the roles() method in the User model and return belongsToMany(Role::class), define the users() method in the Role model and return belongsToMany(User::class); 3. Manage the relationship through attach, detach, sync and contains methods; if you need to store additional data in the association table, you can migrate

Jul 28, 2025 am 02:11 AM

How to use signed URLs in Laravel?

EnablesignedURLsupportbydefininganamedrouteinroutes/web.phporroutes/api.php;2.GenerateasignedURLusingURL::temporarySignedRoutewithanexpirationtimeandrouteparameters;3.Verifythesignatureviathe'signed'middlewareormanuallyusing$request->hasValidSigna

Jul 28, 2025 am 02:09 AM

Describe Eloquent Relationships in Laravel.

Laravel's EloquentORM provides multiple relationship types to handle database associations. 1. Common relationships include one-to-one (hasOne/belongsTo), one-to-many (hasMany), many-to-many (belongsToMany) and far-level one-to-many (hasMany Through). 2. Defining relationships is achieved by adding methods to the model. For example, using hasOne to define a one-to-one relationship, the method name is usually lowercase singular. 3. When querying, you can use lazy loading or preloading (such as with() method) to optimize performance and avoid N 1 query problems. 4. Many-to-many relationships involve intermediate tables. The default table name is model name stitching, which can also be customized and can be used through atta

Jul 28, 2025 am 02:06 AM

How to add localization and translation to a Laravel app?

Create language files and store them in resources/lang directory, such as en/messages.php and es/messages.php, or use JSON files; 2. Dynamically set the application language through middleware or URL prefixes, such as using SetLocale middleware to read URL segments or languages in sessions; 3. Use the __() helper function or @lang instruction to call translation in views and code, such as __('messages.welcome'); 4. Support translation with variables and plural forms, such as 'welcome_user'=>'Welcome,:name!' and '{0}Noposts|{1}Onep

Jul 28, 2025 am 01:57 AM

How to use updateOrInsert in Laravel?

updateOrInsert is an efficient method in Laravel to implement "update if it exists, otherwise insert" through a single database query. 1. It does not trigger model events, does not automatically process timestamps, and does not return model instances; 2. It needs to manually specify created_at and updated_at; 3. It is suitable for high-performance scenarios without model logic, such as API synchronization or setting updates; 4. It can only be used for query constructors, and returns a Boolean value to indicate whether the operation is successful.

Jul 28, 2025 am 01:52 AM

laravel

How do I configure the database connection in Yii?

ToconfigureadatabaseconnectioninYii2,definetheDSN,username,password,andoptionalsettingsinconfig/db.phpordirectlyundercomponentsinconfig/web.php.1.Setupthebasicconfigurationwith'class','dsn','username','password',and'charset'.2.EnsuretheDSNmatchesyour

Jul 28, 2025 am 01:50 AM

yii Database Connectivity

How to use Algolia with Laravel Scout?

Install LaravelScout and Algolia clients; 2. Configure Algolia credentials in .env files; 3. Add Searchable features to the model and define the toSearchableArray method; 4. Use the scout:import command to import existing data; 5. Perform searches through Post::search() and support paging; 6. Configure queues to ensure automatic data synchronization; 7. Optionally use AlgoliaSDK to implement advanced functions such as filtering and facetization; 8. Custom index names through searchableAs method; 9. Call delete or unsearchable methods to delete from Algolia

Jul 28, 2025 am 01:11 AM