What are the best practices for passing variables from an i-frame form in PHP?

When passing variables from an i-frame form in PHP, it's important to ensure the data is securely transmitted and handled. One common approach is to use POST method to send the form data to the parent page, where it can be processed using PHP. To access the form data in the parent page, you can use $_POST superglobal array. 

// In the i-frame form page
<form action="parent_page.php" method="post">
    <input type="text" name="variable_name">
    <input type="submit" value="Submit">
</form>

// In the parent page (parent_page.php)
if(isset($_POST['variable_name'])) {
    $variable = $_POST['variable_name'];
    // Process the variable as needed
}

Keywords

i-frame form variables PHP passing

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