<form method="post" action="test.php">
        <label style="margin-top: 5px;">
            <span style="margin-right: 18px;">Equipamento:</span>
            <input type="text" name="equipamento" id="equipamento" size="12" style="margin-top: 5px;" autofocus required>
        </label>
        <input style="margin-left: 20px;" type="submit" name="submit" value="Confirmar">
</form>
    <br>
        <div> <?php require_once("test.php"); ?> </div>