Question

2. Create a php program to get all the values from the forms using various methods and control structures like switch, if else, for, foreach, while, do while

The question is required to write a program

Answer 1

The $_REQUEST variable code

// Check if the form is submitted
if ( isset( $_POST['submit'] ) ) {

// retrieve the form data by using the element's name attributes value as key

echo '<h2>form data retrieved by using the $_REQUEST variable<h2/>'

$firstname = $_REQUEST['firstname'];
$lastname = $_REQUEST['lastname'];

// display the results
echo 'Your name is ' . $lastname .' ' . $firstname;

// check if the post method is used to submit the form

if ( filter_has_var( INPUT_POST, 'submit' ) ) {

echo '<h2>form data retrieved by using $_POST variable<h2/>'

$firstname = $_POST['firstname'];
$lastname = $_POST['lastname'];

// display the results
echo 'Your name is ' . $lastname .' ' . $firstname;
}

// check if the get method is used to submit the form

if ( filter_has_var( INPUT_GET, 'submit' ) ) {

echo '<h2>form data retrieved by using $_GET variable<h2/>'

$firstname = $_GET['firstname'];
$lastname = $_GET['lastname'];
}

// display the results
echo 'Your name is ' . $lastname .' ' . $firstname;
exit;
}
The form code

<form action="demo/request-variable.php" method="post">

<input type="text" name="firstname" placeholder="First Name" />

<input type="text" name="lastname" placeholder="Last Name" />

<input type="submit" name="submit" />
</form>

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