What is the significance of using if-else statements in PHP scripts, especially when dealing with form submissions?

When dealing with form submissions in PHP scripts, using if-else statements is significant for validating user input and executing different actions based on certain conditions. This allows you to handle different scenarios such as displaying error messages for invalid input or processing the form data and redirecting the user to a new page upon successful submission. 

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Check if form fields are not empty
    if (!empty($_POST['name']) && !empty($_POST['email'])) {
        // Process the form data
        $name = $_POST['name'];
        $email = $_POST['email'];
        
        // Redirect to a success page
        header("Location: success.php");
        exit();
    } else {
        // Display an error message
        echo "Please fill out all the required fields.";
    }
}

Keywords

if-else statements PHP scripts form submissions significance conditional logic

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