if ( !user_exists( $t_single_user_id ) || empty( user_get_accessible_projects( $t_single_user_id ) )
{
    echo '<option value="' . $t_single_user_id . '" selected class="negative">' . plugin_lang_get( 'missing_user', 'EmailReporting' ) . ': ' . $t_single_user_id . '</option>';
}


 PHP Fatal error:  Can't use function return value in write context in /srv/www/soleomantis.com/public_html/mantis/plugins/EmailReporting/core/config_api.php on line 1