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<!DOCTYPE html> <html> <body> <?php $email = "john.doe@example.com"; // Remove all illegal characters from email $email = filter_var($email, FILTER_SANITIZE_EMAIL); // Validate e-mail if (!filter_var($email, FILTER_VALIDATE_EMAIL) === false) { echo("$email is a valid email address"); } else { echo("$email is not a valid email address"); } ?> </body> </html>
john.doe@example.com 是一个有效的电子邮件地址
