Online PHP editor | output for eJgf5

<?php ini_set('display_errors',1); error_reporting(E_ALL); $db_host='localhost'; $db_user='root'; $database='tpetd'; $table='etud'; if (!mysql_connect($db_host, $db_user)) die("can't connec"); if (!mysql_select_db($database)) die("can't selec database"); if (isset($_POST['submit'])) { $fname= $_FILES['sel_file']['name']; echo 'uplaod file name :'.$fname.' '; $chk_exr = explode(".",$fname); if(strtolower(end($chk_ext)) == "csv") { $filename = $_FILES['sel_file']['tmp_name']; $handle = fopen($filename, "r"); while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) { $sql = "insert into etud(prenom,nom,date) values ('$data[0]','$data[1]','$data[2]')"; mysql_query($sql) or die(mysql_error()); } fclose($handle); echo"Success"; } else { echo"invalide"; } } ?> <h1>IMPORT CSV FILE</h1> <form action="<?php echo $_SERVER["PHP_SELF"]?>" method ="post" enctype="multipart/form-data"> imprort file : <input type='file' name='sel_file' size='20'> <input type='submit' name='submit' value='submit'> </form> end(explode('Polymorph\Component\Content\Model\Post'));