} } ?> <h1>Trip Cost Calculator</h1> <form action="index2.php" method="POST"> <p>Distance (in miles): <input type="text" name="distance" value="<?php if (isset($_POST['distance'])) { echo $_POST['distance']; } ?> " /></p> <p>Ave. Price Per Gallon: <span class="input"> <?php create_gallon_radio('3.00'); create_gallon_radio('3.50'); create_gallon_radio('4.00'); ?> </span></p> <p>Fuel Efficiency: <select name="efficiency"> <option value="10" <?php if (isset($_POST['efficiency']) && $_POST['efficiency'] == '10') { echo ' selected="selected"'; } ?> >Terrible</option> <option value="20" <?php if (isset($_POST['efficiency']) && $_POST['efficiency'] == '20') { echo ' selected="selected"'; } ?> >Decent</option>
<!-- Beginning of HTML form --> <h1>Trip Cost Calculator</h1> <form action="3.8_calculator.php" method="post"> <p>Distance (in miles): <input type="text" name="distance" value="<?php if (isset($_POST['distance'])) { echo $_POST['distance']; } ?> " /></p> <!-- sets distance to user-submitted info, once it is entered (sticky form) --> <p>Avg. Price per Gallon: <span class="input"> <?php create_gallon_radio('3.00'); create_gallon_radio('4.00'); create_gallon_radio('5.00'); ?> </span></p> <p>Fuel Efficiency: <select name="efficiency"> <option value="10" <?php if (isset($_POST['efficiency']) && $_POST['efficiency'] == '10') { echo ' selected="selected"'; } ?> >Terrible</option> <option value="20" <?php if (isset($_POST['efficiency']) && $_POST['efficiency'] == '20') { echo ' selected="selected"';