<input type="number" name="given_value" id="given_value" /> <select name="second_selected_name" id="first_select"> <?php foreach ($name as $value) { ?> <option value="<?php echo $value; ?> "><?php echo $value; ?> </option> <?php } ?> </select> <input type="submit" name="btn" value="Submit" id="submit" /> </form> </div> <div id="output_section"> <div class="output"> <?php echo form_processing(); ?> </div> </div> </div> </body> </html>
<head> <meta charset="UTF-8"> <title>Calculator</title> <link rel="stylesheet" href="css/style.css" /> </head> <body> <h1>CALCULATOR</h1> <div id="container"> <form action="" method="post"> <div id="result"><p> <?php if ($_POST) { $number_one = $_POST["number_one"]; $number_two = $_POST["number_two"]; $oparetor = $_POST["oparetor"]; echo form_processing($oparetor, $number_one, $number_two); } ?> </p></div> <div id="button"> <p> <label for="number_one"><span class="bold">Number One:</span></label> <input type="text" name="number_one" id="number_one" value="<?php if (isset($number_one)) { echo $number_one; } else { echo 0; } ?> " />