<?php
$email_a = 'joe@example.com';
$email_b = 'bogus';
if (filter_var($email_a, FILTER_VALIDATE_EMAIL)) {
echo " $email_a is valid email.";
}
if (filter_var($email_b, FILTER_VALIDATE_EMAIL)) {
echo " '$email_b' is valid email.";
} else {
echo "$email_b ooops NOT VALID try again";
}
?>
<php
$email_a = 'joe@example.com';
$email_b = 'bogus';
if (filter_var($email_a, FILTER_VALIDATE_EMAIL))
echo "OK";
if (filter_var($email_b, FILTER_VALIDATE_EMAIL)) {
echo "OK";
} else {
echo "TRY AGAIN";
}
?>
<?php
var_dump(filter_var('bob@example.com', FILTER_VALIDATE_EMAIL));
if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
//further code if email is valid
} else {
//further code if email is invalid
}
filter_var('valid@email.com', FILTER_VALIDATE_EMAIL)//true
filter_var('invalid@email', FILTER_VALIDATE_EMAIL)//false