What
Is Slim framework?
What Is Router in Slim framework?
Slim Framework is a PHP micro framework that
helps PHP developers to write quickly and easily a powerful web applications
and APIs.
How
Is Slim framework different from other frameworks like Laravel, Symfony or
Zend?
Slim framework is a micro framework while
Laravel/Symfony/Zend framework is a full-stack framework.
Is
Slim framework similar to Symfony’s Silex? How do they differ?
- Silex is micro-framework based on the Symfony Components.
- Silex is not based on the PSR-7 (HTTP message interfaces) standard
- Silex is in maintenance mode. Ends of life 1 is set to June 2018.
The following features of Slim Framework are:
- Includes great routes - Route middleware, Route redirect, and Standard HTTP methods
- Easy to solve and fix the errors
- AES-256 encryption secures the data and stores in cookies
- Possible to render external PHP files using template rendering
What Is Router in Slim framework?
The Slim Framework’s router is built on top of
the nikic/fastroute component, and it is remarkably fast and stable.
How
to create routes in Slim framework?
You can define application routes using proxy
methods on the \Slim\App instance. The Slim Framework provides methods for the
most popular HTTP methods.
What
Is GET Route?
In the GET Route, we can add a route that handles
only GET HTTP requests with the Slim application’s GET() method.
Example for GET Route:
$app = new \Slim\App();
$app->get('/customers/{id}', function ($request, $response, $args) {
// Show customers identified by $args['id']
});
What
Is POST Route?
In the POST Route, we can add a route that
handles only POST HTTP requests with the Slim application’s POST() method.
Example for POST Route:
$app = new \Slim\App();
$app->post('/customers', function ($request, $response, $args) {
// Create new customers
});
What
Is PUT Route?
In the PUT Route, we can add a route that handles
only PUT HTTP requests with the Slim application’s PUT() method.
Example for PUT Route:
$app = new \Slim\App();
$app->put('/customers/{id}', function ($request, $response, $args) {
// Update customers identified by $args['id']
});
What
Is DELETE Route?
In the DELETE Route, we can add a route that
handles only DELETE HTTP requests with the Slim application’s DELETE() method.
Example for DELETE Route:
$app = new \Slim\App();
$app->delete('/customers/{id}', function ($request, $response, $args) {
// Delete customers identified by $args['id']
});
What
Is OPTIONS Route?
In the OPTIONS Route, we can add a route that handles
only OPTIONS HTTP requests with the Slim application’s OPTIONS() method.
Example for OPTIONS Route:
$app = new \Slim\App();
$app->options('/customers/{id}', function ($request, $response, $args) {
// Return response headers
});
What
Is PATCH Route?
In the PATCH Route, we can add a route that
handles only PATCH HTTP requests with the Slim application’s PATCH() method.
Example for PATCH Route:
$app = new \Slim\App();
$app->patch('/customers/{id}', function ($request, $response, $args) {
// Apply changes to customers identified by $args['id']
});
What
Is Any Route?
In the Any Route, we can add a route that handles
only Any HTTP requests with the Slim application’s Any() method.
Example for Any Route:
$app = new \Slim\App();
$app->any('/customers/[{id}]', function ($request, $response, $args) {
// Apply changes to customers identified by $args['id'] if
specified.
// To check which method is used: $request->getMethod();
});
How
to Install Slim?
System Requirements:
1. Web
server with URL rewriting
2. PHP
5.5 or newer
We recommend you install Slim with Composer using
link - https://getcomposer.org/
How
to Install Composer?
If you don't have Composer, install by following
the instructions on their download page.
List
some Environment Variables of Slim Framework?
There are no any specific environment variables
in Slim Framework.
What
Is Dependency Injection?
Dependency Injection is a powerful pattern for
managing code dependencies. DI is a way to create objects that depend upon
other objects.
Angular has its own DI framework pattern, and you
really can't build an Angular application without Dependency injection (DI).