How can the issue of a new page opening and existing entries not being saved be resolved in this PHP code?

Issue: The problem of a new page opening and existing entries not being saved can be resolved by implementing a form submission check in the PHP code. By checking if the form has been submitted before processing the form data, we can ensure that existing entries are not overwritten when the page is reloaded. PHP Code Snippet: 

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Process form data and save entries
    // Redirect to a different page or display a success message
} else {
    // Display the form for users to input data
}
?>

Keywords

PHP form submission session variables database error handling

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