What are the recommended methods for passing and retrieving data between PHP pages using HTML forms and hidden input fields?

When passing data between PHP pages using HTML forms, one common method is to use hidden input fields. This allows you to send data along with the form submission without displaying it to the user. To retrieve the data on the receiving page, you can access the values of the hidden input fields using PHP's $_POST or $_GET superglobals. 

// Sending page (form.php)
<form action="process.php" method="post">
    <input type="hidden" name="hidden_data" value="your_data_here">
    <input type="submit" value="Submit">
</form>

// Receiving page (process.php)
<?php
$hidden_data = $_POST['hidden_data'];
echo $hidden_data;
?>

Keywords

PHP HTML forms hidden input fields data passing data retrieval

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