case sensitive searches

index.php

@@ -27,7 +27,7 @@ if (isset($_POST['submit'])) {
         require "php/db_conn.php";
         $e = null;
 
-        $querry = sprintf("SELECT passHash FROM login WHERE userName = '%s' ;", $_POST['userName']);
+        $querry = sprintf("SELECT passHash FROM login WHERE userName = BINARY '%s' ;", $_POST['userName']);
         $pdo_st = $pdo->query($querry);
         $pdo_st->setFetchMode(PDO::FETCH_ASSOC);
 

php/index.php → php/notindex.php

@@ -15,7 +15,7 @@ if (isset($_POST['submit'])) {
         if ($isMatch == true) {
             session_start();
             $_SESSION['userName'] = $_POST['userName']; //Starts the session with the username!
-            header("location: ../view.php"); //redirects user to view page upon successful login!
+            // header("location: ../view.php"); //redirects user to view page upon successful login!
         }
         else {
             header("location: ../index.php"); //redirects to the index page upon login failure.