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What is Laravel, and why is it a popular PHP framework?

What is Laravel, and why is it a popular PHP framework?

LaravelsimplifiesPHPdevelopmentbyprovidingbuilt-intoolsandstructuresthathandlecommontasks.InsteadofwritingrawSQLwithmysqli_query(),LaravelusesEloquentORMfordatabaseinteractions.ItreplacesmanualURLparsingwithcleanroutingsyntaxlikeRoute::get('/users',[

Jun 13, 2025 am 12:37 AM
laravel php framework
How do I access request data in a controller?

How do I access request data in a controller?

Accessing request data in a web framework usually obtains the request object and extracts the required information through dependency injection or helper methods. 1. When using dependency injection, for example, Laravel can type prompt the Request object in the controller method to get the input value; ASP.NETCore can obtain form data by injecting the IFormCollection parameter. 2. If injection is not used, Laravel provides the global request() function, and CodeIgniter4 can obtain the request object through service('request'). 3. When processing JSON load, Laravel can parse JSON data through $request->json(); E

Jun 13, 2025 am 12:26 AM
controller Request data
Yii Framework: Unique Features That Make It a Great Choice

Yii Framework: Unique Features That Make It a Great Choice

YiiFrameworkexcelsduetoitsspeed,security,andscalability.1)Itoffershighperformancewithlazyloadingandcaching.2)RobustsecurityfeaturesincludeCSRFprotectionandsecuresessionmanagement.3)Itsmodulararchitecturesupportseasyscalabilityforgrowingapplications.

Jun 13, 2025 am 12:02 AM
php framework
How do I run tests in Laravel? (php artisan test)

How do I run tests in Laravel? (php artisan test)

ToruntestsinLaraveleffectively,usethephpartisantestcommandwhichsimplifiesPHPUnitusage.1.Setupa.env.testingfileandconfigurephpunit.xmltouseatestdatabaselikeSQLite.2.Generatetestfilesusingphpartisanmake:test,using--unitforunittests.3.Writetestswithmeth

Jun 13, 2025 am 12:02 AM
laravel test
What are routes in Laravel, and how are they defined?

What are routes in Laravel, and how are they defined?

In Laravel, routing is the entry point of the application that defines the response logic when a client requests a specific URI. The route maps the URL to the corresponding processing code, which usually contains HTTP methods, URIs, and actions (closures or controller methods). 1. Basic structure of route definition: bind requests using Route::verb('/uri',action); 2. Supports multiple HTTP verbs such as GET, POST, PUT, etc.; 3. Dynamic parameters can be defined through {param} and data can be passed; 4. Routes can be named to generate URLs or redirects; 5. Use grouping functions to uniformly add prefixes, middleware and other sharing settings; 6. Routing files are divided into web.php, ap according to their purpose

Jun 12, 2025 pm 08:21 PM
laravel routing
How do I use route model binding in a controller?

How do I use route model binding in a controller?

Using routing model binding in Laravel automatically parses model instances to avoid manual queries. Implicit binding automatically obtains the model by matching the route parameter name and type prompt; explicit binding allows custom parsing logic, such as using slug instead of id; directly type prompting the model in the controller method can use binding instances; additional constraints such as ownership verification can be handled through middleware or custom binding logic.

Jun 12, 2025 pm 08:13 PM
controller Routing model binding
How do I start the Laravel development server? (php artisan serve)

How do I start the Laravel development server? (php artisan serve)

To start the Laravel development server, use the command phpartisanserve, which is provided at http://127.0.0.1:8000 by default. 1. Make sure that the terminal is located in the project root directory containing the artisan file. If it is not in the correct path, use cdyour-project-folder to switch; 2. Run the command and check for errors. If PHP is not installed, the port is occupied or file permissions are problematic, you can specify different ports such as phpartisanserve--port=8080; 3. Visit http://127.0.0.1:8000 in the browser to view the application homepage. If it cannot be loaded, please confirm the port number, firewall settings or try.

Jun 12, 2025 pm 07:33 PM
php laravel
How do I write unit tests in Laravel?

How do I write unit tests in Laravel?

UnittestsinLaravelareusedfortestingisolatedpiecesofcodelikehelperfunctions,businesslogic,andcalculationswithouthittingthedatabaseormakingHTTPrequests.Togetstarted,Laravelprovidesabuilt-intests/UnitdirectoryandsupportsPHPUnitnatively.1.Usephpartisanma

Jun 12, 2025 pm 06:05 PM
laravel unit test
How do I run seeders in Laravel? (php artisan db:seed)

How do I run seeders in Laravel? (php artisan db:seed)

Thephpartisandb:seedcommandinLaravelisusedtopopulatethedatabasewithtestordefaultdata.1.Itexecutestherun()methodinseederclasseslocatedin/database/seeders.2.Developerscanrunallseeders,aspecificseederusing--class,ortruncatetablesbeforeseedingwith--trunc

Jun 12, 2025 pm 06:01 PM
laravel Seeder
How do I define Eloquent relationships in my models?

How do I define Eloquent relationships in my models?

TodefineEloquentrelationships,firstidentifytherelationshiptypebasedonyourdatabasestructureanddataretrievalneeds.1.Understandcommonrelationshiptypes:one-to-one(e.g.,UserhasoneProfile),one-to-many(e.g.,PosthasmanyComments),andmany-to-many(e.g.,Userhasm

Jun 12, 2025 pm 05:13 PM
Model
How do I define a constructor in a controller?

How do I define a constructor in a controller?

The key to defining a controller constructor in Angular is to understand its initialization and dependency injection. The constructor is used to initialize class instances and inject dependencies, such as service or configuration parameters. Common practices include: 1. Use the constructor keyword declaration to automatically create attributes; 2. Injecting services to implement data calls, ensuring that corresponding services are provided in the module; 3. Supporting multiple parameters to be arranged in logical order; 4. Avoid executing HTTP requests or complex logic in the constructor, and life cycle hooks should be used to handle it. The constructor should be kept concise to facilitate maintenance and testing.

Jun 12, 2025 pm 03:13 PM
controller Constructor
How do I register middleware in Laravel?

How do I register middleware in Laravel?

ToregistermiddlewareinLaravel,firstcreatethemiddlewareviaArtisancommand"phpartisanmake:middlewareYourMiddlewareName",thendefineitslogicinthehandle()method.Next,registeriteithergloballybyaddingtothe$middlewarearrayinKernel.php,orassignittosp

Jun 12, 2025 am 11:49 AM
laravel middleware
How do I update existing records in the database using Eloquent?

How do I update existing records in the database using Eloquent?

To update records in the database, first retrieve the target record, then modify the properties and save. 1. Use find(), where() and other methods to obtain model instances; 2. Modify model attribute values; 3. Call the save() method to save changes; 4. For conditional batch updates, you can use the update() method of the query constructor; 5. Pay attention to the triggering of events and timestamps, and ensure that the fields are in $fillable or properly verified. The whole process is simple and flexible, but input and logical dependencies need to be handled with caution.

Jun 12, 2025 am 11:01 AM
eloquent Database update
Laravel MVC Explained: A Beginner's Guide to Building Structured Applications

Laravel MVC Explained: A Beginner's Guide to Building Structured Applications

MVCinLaravelisadesignpatternthatseparatesapplicationlogicintothreecomponents:Model,View,andController.1)Modelshandledataandbusinesslogic,usingEloquentORMforefficientdatamanagement.2)Viewspresentdatatousers,usingBladefordynamiccontent,andshouldfocusso

Jun 12, 2025 am 10:25 AM
laravel mvc

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