<form  action="" method="post">
       <button  name="editUser"  value="<?php echo $userResults['userID']; ?>">    </button>
</form>

foreach ($userResults1 as $userResults1):

                        if (isset($_POST['editUser'])) {

                            $givenUserID = $_REQUEST["editUser"];

                            if ($userResults1['userID'] == $givenUserID) {
                                ?>
                                <form action="?page=editUserEngine" method="post">
                                    <input type="hidden" name="editUserID" value="<?php echo $userResults1['userID']; ?>"><br>
                                    Navn: <br>
                                    <input type="text" name="editName" value="<?php echo $userResults1['name']; ?>"><br>
                                    Brukernavn: <br>
                                    <input type="text" name="editUsername" value="<?php echo $userResults1['username']; ?>"><br>
                                    Passord: <br>
                                    <input type="text" name="editPassword" value="<?php echo $userResults1['password']; ?>"><br>
                                    Brukernivå: <br>
                                    <input type="text" name="editUserLevel" value="<?php echo $userResults1['userLevel']; ?>"><br>
                                    Epost: <br>
                                    <input type="text" name="editEmail" value="<?php echo $userResults1['email']; ?>"><br>
                                    <br>
                                    <input type="submit" value="Lagre">
                                </form>

                                <?php
                            }
                        }
                    endforeach;
                    ?>

private function userEditEngine() {
    $editUserID = $_REQUEST["editUserID"];
    $editName = $_REQUEST["editName"];
    $editUsername = $_REQUEST["editUsername"];
    $editPassword = $_REQUEST["editPassword"];
    $editUserLevel = $_REQUEST["editUserLevel"];
    $editEmail = $_REQUEST["editEmail"];

    $userEditInfo = $GLOBALS["userModel"];
    $edited = $userEditInfo->editUser($editUserID, $editName, $editUsername, $editPassword, $editUserLevel, $editEmail);


    header("Location:index.php?page=createUser");
}

<td class="text-center">
                        <form id="brukerRedForm" action="" method="post">
                        </form>
                        <span data-toggle="modal" data-target="#brukerModal" type="submit">
                            <button form="brukerRedForm" type="button" name="editUsers" data-toggle="tooltip" title="Rediger bruker" value="<?php echo $userResults['userID']; ?>"
                                    style="appearance: none;
                                    -webkit-appearance: none;
                                    -moz-appearance: none;
                                    outline: none;
                                    border: 0;
                                    background: transparent;
                                    display: inline;">
                                <span class="glyphicon glyphicon-edit" style="color: green"></span></button>
                        </span>