luos/workflow/engine/methods/setup/logo_Delete.php

<?php
/**
 * logo_Delete.php
 *
 * ProcessMaker Open Source Edition
 * Copyright (C) 2004 - 2008 Colosa Inc.23
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
 * Coral Gables, FL, 33134, USA, or email info@colosa.com.
 */
try {
    global $RBAC;
    switch ($RBAC->userCanAccess( 'PM_FACTORY' )) {
        case - 2:
            G::SendTemporalMessage( 'ID_USER_HAVENT_RIGHTS_SYSTEM', 'error', 'labels' );
            G::header( 'location: ../login/login' );
            die();
            break;
        case - 1:
            G::SendTemporalMessage( 'ID_USER_HAVENT_RIGHTS_PAGE', 'error', 'labels' );
            G::header( 'location: ../login/login' );
            die();
            break;
    }

    $snameLogo = trim( $_GET['NAMELOGO'] );
    $ainfoSite = explode( "/", $_SERVER["REQUEST_URI"] );
    $dir = PATH_DATA . "sites" . PATH_SEP . str_replace( "sys", "", $ainfoSite[1] ) . PATH_SEP . "files/logos";
    $sfileDir = $dir . PATH_SEP . $snameLogo;
    unlink( $sfileDir );
    //header('location: uplogo.php');


} catch (Exception $oException) {
    die( $oException->getMessage() );
}