how to get variable from html to php code example
Example 1: php post variables to another page with submit button php
<html>
<form id="form" action="webAddressYouWantToRedirectTo.php" method="POST">
<input type="hidden" name="expectedPOSTVarNameOnTheOtherPage" value="<?php echo $varYouMadePreviouslyInProcessing ?>">
</form>
<script>
document.getElementById("form").submit();
</script>
</html>
Example 2: how to access form data usinf method get
// 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;
}