src/Service/User.php


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<?php
// src/Service/User.php

declare(strict_types=1);

namespace App\Service;

use Doctrine\ORM\EntityManager;

class User{
	static public function existUsers(EntityManager $entityManager): bool
	{
	    if(!$entityManager // table vide
	        ->createQuery("SELECT u FROM App\Entity\User u")
	        ->setMaxResults(1)
	        ->getOneOrNullResult())
		{
			unset($_SESSION['user']);
			return false;
		}
		else{
			return true;
		}
	}
}