- filter_var: documentation ( source)
<?php
// pass valid/invalid emails
$email = "mail@example.com";
if (filter_var($email, FILTER_VALIDATE_EMAIL))
{
echo '"' . $email . '" = Valid';
}
else
{
echo '"' . $email . '" = Invalid';
}
?>
- See more at: http://www.w3resource.com/php-exercises/php-basic-exercises.php#sthash.ZGJ1p3uG.dpuf