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User: undanet (1000)
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File: /home/undanet/www/PortalEmpleo/src/updateUser.php
<?php

    use PortalEmpleo\Entity\User;

    require __DIR__ . '/../vendor/autoload.php';
    require_once __DIR__ . '/../bootstrap.php';

    $dotenv = Dotenv\Dotenv::createImmutable(__DIR__ . "/..");
    $dotenv->load();

    $entityManager = getEntityManager();

    //$user = new User("paco");
    $user = $entityManager->getRepository(User::class)->find(5);

    try
    {
        //$entityManager->persist($user);
        $user = $user->setUsername("manolo");
        $entityManager->flush();
    }catch (Exception $exception){
        echo $exception->getMessage();
    }
?>