login.php

<?php
if(isset($_GET['login'])){
    #
    require_once("../connection.php");
    $table="users";
    $username=addslashes($_GET['username']);
    $psw=addslashes($_GET['psw']);
    $sql="SELECT * FROM v1_loginWHERE username='$username' AND pass = '$psw'";
    $query=mysqli_query($ligar, $sql) or die($sql);
    $total=mysqli_num_rows($query);
   
    if($total==1){
        if(!isset($_SESSION)){
            session_start();
        }
        $fetch=mysqli_fetch_assoc($query);
        $_SESSION['idUser']=$fetch['idUser'];
        $_SESSION['username']=$username;
         $path="?"; // indicar o caminho
    }
    else
    {
       $path="?semLogin";
    }
     header("Location:$path");
   
}
mysqli_free_result($query);
mysqli_close($connect);
?>