function invite_anyone_validate_email($user_email)
{
$status = 'okay';
if (invite_anyone_check_is_opt_out($user_email)) {
$status = 'opt_out';
} else {
if ($user = get_user_by('email', $user_email)) {
$status = 'used';
} else {
if (function_exists('is_email_address_unsafe') && is_email_address_unsafe($user_email)) {
$status = 'unsafe';
} else {
if (function_exists('is_email') && !is_email($user_email)) {
$status = 'invalid';
}
}
}
}
if (function_exists('get_site_option')) {
if ($limited_email_domains = get_site_option('limited_email_domains')) {
if (is_array($limited_email_domains) && empty($limited_email_domains) == false) {
$emaildomain = substr($user_email, 1 + strpos($user_email, '@'));
if (in_array($emaildomain, $limited_email_domains) == false) {
$status = 'limited_domain';
}
}
}
}
return apply_filters('invite_anyone_validate_email', $status, $user_email);
}
function invite_anyone_validate_email($user_email)
{
//if ( email_exists($user_email) )
// return 'used';
if (invite_anyone_check_is_opt_out($user_email)) {
return 'opt_out';
}
if ($user = get_user_by_email($user_email)) {
return 'used';
}
// Many of he following checks can only be run on WPMU
if (function_exists('is_email_address_unsafe')) {
if (is_email_address_unsafe($user_email)) {
return 'unsafe';
}
}
if (function_exists('validate_email')) {
if (!validate_email($user_email)) {
return 'invalid';
}
}
if (function_exists('get_site_option')) {
if ($limited_email_domains = get_site_option('limited_email_domains')) {
if (is_array($limited_email_domains) && empty($limited_email_domains) == false) {
$emaildomain = substr($user_email, 1 + strpos($user_email, '@'));
if (in_array($emaildomain, $limited_email_domains) == false) {
return 'limited_domain';
}
}
}
}
return 'safe';
}
