<html><body>// Variable to check$email = "john.doe@example.com";// Validate emailif (filter_var($email, FILTER_VALIDATE_EMAIL)) { echo("$email is a valid email address");} else { echo("$email is not a valid email address");}</body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_filter_var by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:51:02 GMT --></html>