chamilo / chamilo-lms

                                        $file_path = str_replace('\\', '/', $file_path);

                                        $my_dep_file->setAttribute('href', 'document/'.$file_path);

                                        $my_dep->setAttribute('xml:base', '');

                                        if (strstr($file_path, $main_path) !== false) {

                                            // The calculated real path is really inside the chamilo root path.

                                            // Reduce file path to what's under the DocumentRoot.

                                            $file_path = substr($file_path, strlen($root_path));

                                            $zip_files_abs[] = $file_path;

                                            $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => 'document/'.$file_path);

                                            $my_dep_file->setAttribute('href', 'document/'.$file_path);

                                            $my_dep->setAttribute('xml:base', '');

                                        } elseif (empty($file_path)) {

                                            /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH),api_get_path(REL_PATH)));

                                            if (strpos($document_root,-1) == '/') {

                                                $document_root = substr(0, -1, $document_root);

                                            }*/

                                            $file_path = $_SERVER['DOCUMENT_ROOT'].$abs_path;

                                            $file_path = str_replace('//', '/', $file_path);

                                            if (file_exists($file_path)) {

                                                $file_path = substr($file_path, strlen($current_dir)); // We get the relative path.

                                                $zip_files[] = $my_sub_dir.'/'.$file_path;

                                                $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => 'document/'.$file_path);

                                                $my_dep_file->setAttribute('href', 'document/'.$file_path);

                                                $my_dep->setAttribute('xml:base', '');

                                            }

                                        }

                                        break;

                                    case 'abs': // Absolute path from DocumentRoot. Save file and leave path as is in the zip.

                                        $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';

                                        $current_dir = str_replace('\\', '/', $current_dir);

                                        $file_path = realpath($doc_info[0]);

                                        $my_dep_file->setAttribute('href', $file_path);

                                        $my_dep->setAttribute('xml:base', '');

                                        if (strstr($file_path, $main_path) !== false) {

                                            // The calculated real path is really inside the chamilo root path.

                                            // Reduce file path to what's under the DocumentRoot.

                                            $file_path = substr($file_path, strlen($root_path));

                                            //echo $file_path;echo '<br /><br />';

                                            //error_log('Reduced path: '.$file_path, 0);

                                            $zip_files_abs[] = $file_path;

                                            $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);

                                            $my_dep_file->setAttribute('href', 'document/'.$file_path);

                                            $my_dep->setAttribute('xml:base', '');

                                        } elseif (empty($file_path)) {

                                            /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH), api_get_path(REL_PATH)));

                                            if (strpos($document_root,-1) == '/') {

                                                $document_root = substr(0, -1, $document_root);

                                            }*/

                                            $file_path = $_SERVER['DOCUMENT_ROOT'].$doc_info[0];

                                            $file_path = str_replace('//', '/', $file_path);

                                            if (file_exists($file_path)) {

                                                $file_path = substr($file_path, strlen($current_dir)); // We get the relative path.

                                                $zip_files[] = $my_sub_dir.'/'.$file_path;

                                                $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);

                                                $my_dep_file->setAttribute('href', 'document/'.$file_path);

                                                $my_dep->setAttribute('xml:base', '');

                                            }

                                        }

                                        break;

                                    case 'rel': // Path relative to the current document. Save xml:base as current document's directory and save file in zip as subdir.file_path

                                        if (substr($doc_info[0], 0, 2) == '..') {