How can PHP be used to send form data via email after validation checks have been completed?

To send form data via email after validation checks have been completed in PHP, you can use the `mail()` function to send an email with the validated form data. First, validate the form data using PHP validation techniques, such as checking for empty fields, valid email addresses, etc. Once the data is validated, construct an email message with the form data and use the `mail()` function to send it. 

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Validate form data
    $name = $_POST['name'];
    $email = $_POST['email'];
    $message = $_POST['message'];

    // Perform validation checks here

    // If validation passes, send email
    $to = "recipient@example.com";
    $subject = "Form Submission";
    $message = "Name: $name\nEmail: $email\nMessage: $message";
    $headers = "From: sender@example.com";

    if (mail($to, $subject, $message, $headers)) {
        echo "Email sent successfully";
    } else {
        echo "Email sending failed";
    }
}
?>

Keywords

PHP form data email validation checks error handling

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