Middleware to start a php session using the request data and close it after return the response.
- PHP >= 7.1
- A PSR-7 http message implementation and PSR-17 http factory implementation (ex. Embryo-Http)
- A PSR-15 http server request implementation (ex. Embryo-Middleware)
Using Composer:
$ composer require davidecesarano/embryo-session
Creates a middleware for setting session item:
class TestSetSessionMiddleware implements MiddlewareInterface
{
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
{
$session = $request->getAttribute('session');
$session->set('name', 'World');
$response = $handler->handle($request);
return $response->write('Hello '.$session->get('name').'</p><p><a href="test.php">Other Page</a></p>');
}
}Creates another middleware for getting session item:
class TestGetSessionMiddleware implements MiddlewareInterface
{
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
{
$session = $request->getAttribute('session');
$response = $handler->handle($request);
return $response->write('Hello '.$session->get('name').'</p>');
}
}Adds middleware to dispatcher:
$session = new Session;
$middleware = new RequestHandler;
$middleware->add(
(new SessionMiddleware)
->setSession($session)
->setOptions([
'use_cookies' => false,
'use_only_cookies' => true
])
);
$middleware->add(TestSetSessionMiddleware::class);
$middleware->add(TestGetSessionMiddleware::class);
$response = $middleware->dispatch($request, $response);The session name. If it's not provided, use the php's default.
Array of options passed to session_start().
The session request attribute. If it's not provided, use $request->getAttribute('session').
You may retrieve an item from the session and you may also pass a default value as the second argument to the get method:
$session->get('key', 'default');If you would like to retrieve all the data in the session, you may use the all method:
$session->all();To determine if an item is present in the session, you may use the has method. The has method returns true if the item is present and is not null:
if ($session->has('key')) {
//...
}The set method may be used to set a new value onto a session:
$session->set('name', 'value');You may wish to store items in the session only for the next request using the flash method:
$session->flash('name', 'value');The remove method will remove a piece of data from the session. If you would like the remove all data from the session, you may use the clear method:
$session->remove('name');
$session->clear();
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