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Technical Articles

PHP Framework

How to follow best practices for Laravel development

Following Laravel best practices ensures that the code is neat, maintainable and scalable, and the answer is to use the correct MVC structure, leverage built-in features, comply with PSR standards, manage configuration rationally, strengthen security, write tests, organize large applications, optimize performance, use version control, and continuous updates. 1. Correctly use MVC: the model processes data logic, the controller is kept simple, the view is only used for display, and the business logic is moved to the service class. 2. Use Laravel built-in functions: use Eloquent, form request verification, middleware, Artisan commands, queues, events and listeners. 3. Follow the PSR standard and neat code principles: adopt the PSR-12 encoding style, use meaningful naming, keep the method short, and enable

Aug 26, 2025 am 07:27 AM

Laravel query scopes tutorial

Laravel query scope is an Eloquent model method used to encapsulate common query conditions. 1. The local scope starts with scope, omits prefixes when calling and supports chain calls; 2. The scope with parameters can be defined to implement dynamic queries; 3. The when method can be used to implement conditional application scope; 4. The scope should only build queries and do not include business logic; 5. It must be called through model classes, and cannot be called through model instances, thereby improving code reusability, readability and maintenance.

Aug 26, 2025 am 07:24 AM

How to create a custom Artisan command in Laravel

Use phpartisanmake:commandYourCommandName to generate commands; 2. Register commands or dependency autodiscovery in app/Console/Kernel.php; 3. Set $signature and $description to define command syntax and description; 4. Write logic in handle() method, use $this->argument() and $this->option() to get input; 5. Optionally inject service container dependencies through type prompts; 6. Run phpartisanyour:command to execute commands in the terminal; 7. Use ask() and c

Aug 26, 2025 am 07:05 AM

How to use the pipeline design pattern in Laravel?

Laravel's pipeline design pattern is suitable for scenarios where data needs to be processed multiple steps. 1. Define the processing stage (such as TrimStrings, ConvertToUppercase, EnsureEndingPeriod and other classes that implement handle methods, 2. Use Pipeline::send() in a service or controller to pass the data through the class list specified by () and receive the final result by then(). 3. Optionally use closures to replace the class to simplify simple logic. 4. In Laravel9, objects can be passed as context for each pipeline to share. This pattern is suitable for form preprocessing, queue tasks, workflow construction and other scenarios. The pipeline should be maintained.

Aug 26, 2025 am 06:25 AM

How to handle different timezones in Laravel

SetthedefaulttimezonetoUTCinconfig/app.phptoensureaconsistentbasetimezone.2.AlwaysstoretimestampsinUTCinthedatabasetomaintainconsistencyacrossusertimezones.3.ConvertUTCtimestampstotheuser’slocaltimezonewhendisplaying,usingCarbon’stz()methodorbysettin

Aug 26, 2025 am 06:00 AM

How to handle errors and logging in Yii

ConfiguretheerrorHandlercomponentinconfig/web.phptocustomizeerrorhandlingbysetting'errorAction'toacontrolleractionlike'site/error',whichrendersauser-friendlyerrorpageinSiteControllerwithoutexposingsensitivedetailsinproduction.2.UseYii::info(),Yii::wa

Aug 26, 2025 am 03:17 AM

How to create a custom URL rule in Yii

Create a custom URL rule in Yii2. You need to configure it in the urlManager. First set enablePrettyUrl to true, and then add rules in rules; 1. Simple rules such as 'article/'=>'site/view' can route /article/123 to site/view and pass id=123; 2. Multi-parameter rules such as 'category//page/'=>'site/list' can parse /category/books/page/2 and pass two parameters; 3. Optional parameters can be defined by arrays, such as setting the default value of 'page' to 1

Aug 25, 2025 pm 12:39 PM

How to install Laravel on Windows

InstallPHPandComposerbydownloadingPHP,addingittoPATH,enablingrequiredextensionsinphp.ini,theninstallingComposerviaitsWindowsinstallerandverifyingwithcomposer--version.2.InstallalocaldevelopmentserversuchasLaragon,whichincludesPHP,Composer,Apache,andM

Aug 25, 2025 am 11:20 AM

How to work with Polymorphic Relationships in Laravel

PolymorphicrelationshipsinLaravelallowamodellikeCommentorImagetobelongtomultiplemodelssuchasPost,Video,orUserusingasingleassociation.2.Thedatabaseschemarequires{relation}_idand{relation}_typecolumns,exemplifiedbycommentable_idandcommentable_typeinaco

Aug 25, 2025 am 10:56 AM

laravel 多態(tài)關(guān)系

How to cache Eloquent queries in Laravel

UseCache::remember()tostoreEloquentqueryresultswithakeyandexpirationtime.2.Createdynamiccachekeysforparameterizedqueriestostoreseparateresults.3.InvalidatecacheusingCache::forget()ormodeleventswhendatachanges.4.UsecachetagswithRedisorMemcachedtogroup

Aug 25, 2025 am 09:25 AM

How to use sessions in Laravel

Storedatausingsession(['key'=>'value'])orsession()->put('key','value');2.Retrievedatawithsession('key','default')orSession::get('key');3.Usesession()->flash('message','value')forone-timemessagesandsession()->reflash()topreservethem;4.Remo

Aug 25, 2025 am 09:07 AM

How to use Vite with Laravel

Laravel9 includesVitebydefaultviathelaravel/vitepackage,andyoucaninstallitmanuallywithcomposerrequirelaravel/vitefollowedbypublishingtheconfigwithphpartisanvendor:publish--tag=vite-configtogeneratevite.config.js.2.UpdateBladetemplatesusingthe@vitedir

Aug 25, 2025 am 08:59 AM

laravel vite

How do I pass parameters to a route in Yii?

There are three steps for passing parameters to route in Yii: first, use the createUrl method to generate a URL with parameters, second, enable a beautiful URL by configuring the urlManager and set custom rules, and finally, automatically bind the parameters in the controller through $request->get() or method parameters. Specifically: 1. When generating the URL, the parameters are appended in an array to the path; 2. Enable enablePrettyUrl and definition rules in the configuration file to achieve a more readable URL; 3. Directly obtain the parameter name in the controller or use the get method and provide default value processing. At the same time, pay attention to distinguishing the different sources and usage scenarios of query parameters and routing parameters.

Aug 25, 2025 am 08:38 AM

How to use Yii as a micro-framework

Yes, Yii2 can be used as a lightweight framework to handle simple tasks through thin configuration. Specific steps: 1. Create a minimum project structure, including only index.php, composer.json and config/web.php; 2. Introduce yiisoft/yii2 in composer.json and execute composerinstall; 3. Configure basic application components such as request, response and urlManager in config/web.php; 4. Introduce automatic loading files in index.php, create application instances and manually define routing logic; 5. Optionally use urlManager rules

Aug 25, 2025 am 07:55 AM