Email address validation

Introduction to Email Address validation

This method validate email addresses against both the general format and the one described in RFC 822.

This method takes two arguments:

• An email address.

• An array of options (optional).

Various option are:

• check_domain (boolean) - Check or not if the domain exists.

• use_rfc822 (boolean) - Apply the full RFC822 grammar.

• fullTLDValidation (boolean) - All top-level domains.

• VALIDATE_GTLD_EMAILS (boolean) - Only generic top-level domains.

• VALIDATE_CCTLD_EMAILS (boolean) - Only country code top-level domains.

• VALIDATE_ITLD_EMAILS (boolean) - Only international top-level domains.

How to use Email Validation

require_once 'Validate.php';

$email = '"Doe, John" <johndoe@example.net>';
if (Validate::email($email, array('use_rfc822' => true))) {
    echo 'Valid!';
} else {
    echo $email . ' failed.';
}

require_once 'Validate.php';

$email = 'info@example.com';
if (Validate::email($email, array('check_domain' => 'true'))) {
    echo $email . ' is valid and domain exists';
}