How can the EVA principle be applied to improve the structure and readability of PHP code for form processing?
Issue: The structure and readability of PHP code for form processing can be improved by applying the EVA principle (Eliminate, Verify, and Abstract). This involves breaking down the code into smaller, more manageable chunks, verifying input data to prevent errors, and abstracting repetitive tasks into reusable functions. Code snippet:
// Eliminate unnecessary code duplication by creating reusable functions
function sanitizeInput($input) {
return htmlspecialchars(trim($input));
}
// Verify input data to prevent errors
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$name = sanitizeInput($_POST["name"]);
$email = sanitizeInput($_POST["email"]);
// Process form data
// ...
}
// Abstract repetitive tasks into functions
function processForm($name, $email) {
// Process form data
// ...
}
// Call the processForm function with sanitized input
processForm($name, $email);
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