example migration pdo from other project

src/Controller/MigrationController.php

@@ -3,8 +3,6 @@
 namespace App\Controller;
 
 use App\Entity\Poll;
-use FOS\RestBundle\Controller\Annotations\Get;
-use FOS\RestBundle\Controller\Annotations\Route;
 
 /**
  * Class DefaultController
@@ -16,16 +14,46 @@ class MigrationController extends FramadateController {
 	 * @Get(path ="/{unique_key}",
 	 *      name = "_migrate_from_v1")
 	 */
-	public function indexAction() {
+	public function indexAction( $unique_key ) {
 		// get env vars
 		// check uniq key is good
 		// fetch old Database
+		// connec
+
+		$debug = '';
+
+		$em                                = $this->getDoctrine()->getManager();
+		$pdo_options[ \PDO::ATTR_ERRMODE ] = \PDO::ERRMODE_EXCEPTION;
+		$bdd                               = new \PDO( 'mysql:host=localhost;dbname=framadate',
+			'useur',
+			'le_pass',
+			$pdo_options );
+		$reponse                           = $bdd->query( 'SELECT * FROM les_sondages ORDER BY id ASC LIMIT 0, 450' );
+//boucler pour ranger
+		while ( $d = $reponse->fetch( \PDO::FETCH_OBJ ) ) {
+			$u = new Poll();
+
+			if ( $d->pseudo == 'PSEUDOOOOOO' ) {
+				$d->pseudo = "";
+			}
+//			$u->setPseudo($d->pseudo)
+//                    ->setIp($d->ip)
+//			  ->setAge($d->age)
+//			  ->setsondage($s);
+			$em->persist( $s );
+		}
+
+		$em->flush();
+
 		// gather objects
 		// create new polls
 		// success
 		// failure notice
 
-		return $this->json( [ "message" => "welcome to the framadate migration endpoint, it has yet to be done" ],
+		return $this->json( [
+			"message" => "welcome to the framadate migration endpoint, it has yet to be done",
+			"debug"   => $debug,
+		],
 			200 );
 	}