codeigniter 27

Codeigniter 4🔥 [27.- Sesiones]

En este tutorial vamos a trabajar con las sesiones de codeigniter 4, a esta alturas ya todos debemos saber que es una sesión y en particular que es una sesion en PHP, en codeigniter 4 es exactamente lo mismo pero este framework nos da la oportunidad de trabajar de manera muy practica y facil.
Codigo del tutorial: https://github.com/programadornovato/codeigniter4/commit/454a50aa8fbf86bdd8763c2bdf9db5fe71d62675

//app/Controllers/BaseController.php 
<?php namespace App\Controllers;

/**
 * Class BaseController
 *
 * BaseController provides a convenient place for loading components
 * and performing functions that are needed by all your controllers.
 * Extend this class in any new controllers:
 *     class Home extends BaseController
 * 
 * For security be sure to declare any new methods as protected or private.
 * 
 * @package CodeIgniter
 */
 
use CodeIgniter\Controller;

class BaseController extends Controller
{

	/**
	 * An array of helpers to be loaded automatically upon
	 * class instantiation. These helpers will be available
	 * to all other controllers that extend BaseController.
	 *
	 * @var array
	 */
	protected $helpers = [ ];
	//public $session=null;
	/**
	 * Constructor.
	 *
	 */
	public function initController(\CodeIgniter\HTTP\RequestInterface $request, \CodeIgniter\HTTP\ResponseInterface $response, \Psr\Log\LoggerInterface $logger)
	{
		// Do Not Edit This Line
		parent::initController($request, $response, $logger);
		helper('operaciones');
		//$this->session= \Config\Services::session();
		//--------------------------------------------------------------------
		// Preload any models, libraries, etc, here.
		//--------------------------------------------------------------------
		// E.g.:
		// $this->session = \Config\Services::session();

	}
}








//app/Controllers/Micontrolador.php
<?php namespace App\Controllers;

use CodeIgniter\Controller;
use App\Models\UserModel;

class Micontrolador extends BaseController
{	
	public $session=null;
	public function __construct(){
		helper('form');
		$this->session= \Config\Services::session();
	}

	public function ponerDatos(){
		$newdata=[
			'name'=>'novato',
			'email'=>'[email protected]',
			'login'=>TRUE,
		];
		$this->session->set($newdata);
		echo $this->session->get('email');
	}
	public function leerDatos(){
		if($this->session->has('name')){
			echo "name=".$this->session->get('name')."<br>";
			echo "email=".$this->session->get('email')."<br>";
			echo "login=".$this->session->get('login')."<br>";
		}
		else{
			echo "No hay datos";
		}
	}
	public function quitarDatos(){
		$this->session->remove('email');
	}
	public function destruirDatos(){
		$this->session->destroy();
	}
		

	public function guarda(){
		$userModel=new UserModel($db);
		$request= \Config\Services::request();
		$data=array(
			'name'=>$request->getPostGet('name'),
			'email'=>$request->getPostGet('email'),
		);
		if($request->getPostGet('id')){
			$data['id']=$request->getPostGet('id');
		}
		if($userModel->save($data)===false){
			var_dump($userModel->errors());
		}
		if($request->getPostGet('id')){
			$users=$userModel->find([$request->getPostGet('id')]);
			$users=array('users'=>$users);
			$estructura=view('estructura/header').view('estructura/formulario',$users);	
		}
		else{
			$users=$userModel->findAll();
			$users=array('users'=>$users);
			$estructura=view('estructura/header').view('estructura/body',$users);
		}
		return $estructura;

	}
	public function editar(){
		$userModel=new UserModel($db);
		$request= \Config\Services::request();
		if($request->getPostGet('id')){
			$id=$request->getPostGet('id');
		}else{
			$id=$request->uri->getSegment(3);
		}
		$users=$userModel->find([$id]);
		$users=array('users'=>$users);
		$estructura=view('estructura/header').view('estructura/formulario',$users);
		return $estructura;

	}
	public function borrar(){
		$userModel=new UserModel($db);
		$request= \Config\Services::request();
		if($request->getPostGet('id')){
			$id=$request->getPostGet('id');
		}else{
			$id=$request->uri->getSegment(3);
		}
		$userModel->delete($id);
		$users=$userModel->findAll();
		$users=array('users'=>$users);
		$estructura=view('estructura/header').view('estructura/body',$users);
		return $estructura;

	}

	public function formulario(){
		$estructura=view('estructura/header').view('estructura/formulario');
		return $estructura;
	}
	public function index()
	{
		$userModel=new UserModel($db);
		$datos=$userModel->paginate(10);
		$paginador=$userModel->pager;
		$paginador->setPath('ci4/');
		$datos=array('users'=>$datos,'paginador'=>$paginador);
		$estructura=view('estructura/header').view('estructura/body',$datos);
		return $estructura;
		
	}

	public function imagenManipulacion(){
		$info=\Config\Services::image()
		->withFile('codeigniter.jpg')
		->getFile()
		->getProperties(true);
		$ancho=$info['width'];
		$alto=$info['height'];

		$imagen=\Config\Services::image()
		->withFile('codeigniter.jpg')
		->reorient()
		//->rotate(90)
		//->fit(250,250,'bottom-left')
		//->resize($ancho/2,$alto/2)
		->crop(300,300,50,0)
		->save('codeigniter_p.jpg');
		return view('estructura/imagen');
	}
	//--------------------------------------------------------------------

}


Guia oficial codeigniter: https://codeigniter4.github.io/userguide/libraries/sessions.html

Codeigniter 4? [27.- Sesiones]

#Codeigniter4 #php7 #backend #Codeigniter #php .
? Esta lista de reproducción: https://www.youtube.com/playlist?list=PLCTD_CpMeEKTFN5TDeOP-wP_hU0_9VoWg
.
Codigos en gdrive: https://drive.google.com/file/d/1awbG6jI40IO0N68fgjLUwNFpsTC3wIHj/view?usp=sharing .
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