How can PHP post variables be properly passed between HTML programs?

To properly pass PHP post variables between HTML programs, you can use a form with method="post" in your HTML code to send the data to a PHP script. In the PHP script, you can retrieve the posted variables using the $_POST superglobal array. 

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

// PHP script (process.php)
<?php
$username = $_POST['username'];
$password = $_POST['password'];

// Use the $username and $password variables as needed
?>

Keywords

PHP POST variables HTML form submission data passing

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