How can you handle form submissions in PHP to avoid errors?

To handle form submissions in PHP and avoid errors, you can use server-side validation to check for required fields, sanitize input data to prevent injection attacks, and handle errors gracefully by displaying error messages to the user. Additionally, you can use prepared statements to prevent SQL injection when interacting with a database. 

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Validate form fields
    if (empty($_POST["name"]) || empty($_POST["email"])) {
        echo "Name and email are required fields.";
    } else {
        // Sanitize input data
        $name = htmlspecialchars($_POST["name"]);
        $email = filter_var($_POST["email"], FILTER_SANITIZE_EMAIL);
        
        // Handle form submission
        // Your code to process the form data goes here
    }
}
?>

Keywords

form submissions PHP error handling validation sanitize

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