What are the best practices for handling form submissions and image deletion in PHP to avoid issues with variable values not updating correctly?

When handling form submissions and image deletion in PHP, it's important to ensure that variable values are updated correctly to avoid issues. One way to achieve this is by using conditional statements to check if form submissions are set and updating variables accordingly. Additionally, when deleting images, make sure to refresh the page or redirect to a new page after deletion to reflect the changes in the variable values.

// Handling form submission
if(isset($_POST['submit'])){
    // Update variable values here
}

// Image deletion
if(isset($_GET['delete_image'])){
    // Code to delete image here

    // Redirect to refresh variable values
    header("Location: your_page.php");
    exit();
}