What are the advantages and disadvantages of using sessions versus hidden input fields for storing form data in PHP applications?

When storing form data in PHP applications, sessions offer the advantage of server-side storage, making it more secure and harder to tamper with. However, sessions can consume server resources and may not be ideal for large amounts of data. On the other hand, hidden input fields store data directly in the form, reducing server load but potentially exposing sensitive information. 

// Using sessions to store form data
session_start();
$_SESSION['form_data'] = $_POST;

// Using hidden input fields to store form data
<input type="hidden" name="form_data" value="<?php echo htmlentities(json_encode($_POST)); ?>">

Keywords

sessions hidden input fields form data PHP applications advantages and disadvantages

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