How can HTML and PHP elements be connected to pass values from input fields to variables in PHP?

To pass values from HTML input fields to variables in PHP, you can use the POST method in a form submission. This involves creating a form in HTML with input fields, setting the form method to POST, and specifying the action attribute as the PHP file where you want to process the form data. In the PHP file, you can access the input values using the $_POST superglobal array. 

<form method="post" action="process_form.php">
  <input type="text" name="username">
  <input type="password" name="password">
  <input type="submit" value="Submit">
</form>

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
  $username = $_POST['username'];
  $password = $_POST['password'];
  
  // Process the form data here
}
?>

Keywords

HTML PHP input fields variables connection

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