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'; }