pre_slug.php

<?php
    // TRIM PARAMS FROM REQUEST_URI
    $request_uri = preg_replace('#\?.*#','',$_SERVER['REQUEST_URI']);
    preg_match('#^https?://[^/]+(/.*)?#', home_url(), $matches);
    $pre_slug = isset($matches[1])?$matches[1]:'';
    
    if( !empty($plugin) and $plugin == 'wafp' and 
        !empty($controller) and !empty($action) )
    {
      self::standalone_route($controller, $action);
      exit;
    }
    else if( isset( $_POST ) and isset( $_POST['wafp_process_login_form'] ) )
      WafpUsersController::process_login_form();
    else if( $wafp_options->pretty_affiliate_links and
             preg_match( '#^' . $pre_slug . '/([^/]*)/([^/]*)/?$#', $request_uri, $matches ) and
             isset( $matches[1] ) and isset( $matches[2] ) and
             !is_null( $affiliate_id = username_exists( $matches[1] ) ) and
             $link = WafpLink::get_link_from_slug( $matches[2] ) ) {
      WafpLinksController::redirect_link( $link->rec->id, $affiliate_id );
    }