public static function mov_pw_process($y_mov_file, $y_mov_img_preview, $y_quality, $y_width, $y_height, $y_watermark = '', $y_waterlocate = 'center', $y_mov_blank_img_preview = '')
 {
     //--
     $y_mov_file = (string) trim((string) $y_mov_file);
     $y_mov_img_preview = (string) trim((string) $y_mov_img_preview);
     $y_mov_blank_img_preview = (string) trim((string) $y_mov_blank_img_preview);
     $y_watermark = (string) trim((string) $y_watermark);
     //--
     //--
     $blank_mov_pw = 'lib/core/plugins/img/mediagallery/video.jpg';
     // this must be jpeg like the preview generated by ffmpeg
     //--
     $watermark_mov_pw = 'lib/core/plugins/img/mediagallery/play.png';
     //--
     //--
     if ((string) $y_mov_blank_img_preview == '') {
         $y_mov_blank_img_preview = $blank_mov_pw;
     }
     //end if
     //--
     if (!SmartFileSysUtils::check_file_or_dir_name($y_mov_blank_img_preview)) {
         $y_mov_blank_img_preview = $blank_mov_pw;
     }
     //end if
     //--
     if (!is_file($y_mov_blank_img_preview)) {
         Smart::log_warning('SmartMediaGalleryConverter :: mov_pw_process // Invalid Blank Preview Path: BLANK-PREVIEW=' . $y_mov_blank_img_preview);
         return '';
     }
     //end if
     //--
     if ((string) $y_watermark == '') {
         $y_watermark = $watermark_mov_pw;
     }
     //end if
     //--
     //--
     if (!SmartFileSysUtils::check_file_or_dir_name($y_mov_file)) {
         Smart::log_warning('SmartMediaGalleryConverter :: mov_pw_process // Unsafe Path: SRC=' . $y_mov_file);
         return '';
     }
     //end if
     //--
     if (!SmartFileSysUtils::check_file_or_dir_name($y_mov_img_preview)) {
         Smart::log_warning('SmartMediaGalleryConverter :: mov_pw_process // Unsafe Path: DEST=' . $y_mov_img_preview);
         return '';
     }
     //end if
     //--
     if ((string) $y_mov_file == (string) $y_mov_img_preview) {
         Smart::log_warning('SmartMediaGalleryConverter :: mov_pw_process // The Origin movie and Destination image are the same: SRC=' . $y_mov_file . ' ; DEST=' . $y_mov_img_preview);
         return '';
     }
     //end if
     //--
     if ((string) $y_watermark != '') {
         if (!SmartFileSysUtils::check_file_or_dir_name($y_watermark)) {
             $y_watermark = '';
             Smart::log_warning('SmartMediaGalleryConverter :: mov_pw_process // Unsafe Path: WATERMARK=' . $y_watermark);
         }
         //end if
     }
     //end if
     //--
     //--
     $y_quality = Smart::format_number_int($y_quality, '+');
     if ($y_quality < 1) {
         $y_quality = 1;
     }
     //end if
     if ($y_quality > 100) {
         $y_quality = 100;
     }
     //end if
     //--
     //--
     $y_width = Smart::format_number_int($y_width, '+');
     $y_height = Smart::format_number_int($y_height, '+');
     //--
     if ($y_width < 10) {
         $y_width = 10;
     }
     //end if
     if ($y_width > 240) {
         $y_width = 240;
     }
     //end if
     //--
     if ($y_height < 10) {
         $y_height = 10;
     }
     //end if
     if ($y_height > 240) {
         $y_height = 240;
     }
     //end if
     //--
     //-- {{{SYNC-GRAVITY}}}
     switch ((string) $y_waterlocate) {
         case 'northwest':
             $y_waterlocate = 'northwest';
             break;
         case 'northeast':
             $y_waterlocate = 'northeast';
             break;
         case 'southwest':
             $y_waterlocate = 'southwest';
             break;
         case 'southeast':
             $y_waterlocate = 'southeast';
             break;
         case 'center':
         default:
             $y_waterlocate = 'center';
     }
     //end switch
     //--
     //--
     if ((string) SMART_FRAMEWORK_DEBUG_MODE == 'yes') {
         SmartFrameworkRegistry::setDebugMsg('extra', 'MEDIA-GALLERY', ['title' => '[INFO] :: MediaUTIL/Mov/Process-Preview', 'data' => "'" . SMART_FRAMEWORK_MEDIAGALLERY_MOV_THUMBNAILER . "'" . ' :: ' . "'" . SMART_FRAMEWORK_MEDIAGALLERY_IMG_COMPOSITE . "'"]);
     }
     //end if
     //--
     //--
     $out = '';
     //--
     if (defined('SMART_FRAMEWORK_MEDIAGALLERY_MOV_THUMBNAILER') and (string) SMART_FRAMEWORK_MEDIAGALLERY_MOV_THUMBNAILER != '') {
         //--
         $lock_file = $y_mov_img_preview . '.LOCK-MOV-MEDIAGALLERY';
         $temporary_pw = $y_mov_img_preview . '.#tmp-preview#.jpg';
         // {{{SYNC-MOV-TMP-PREVIEW}}}
         //--
         $lock_time = Smart::format_number_int(SmartFileSystem::read($lock_file), '+');
         //--
         if ($lock_time > 0) {
             if ($lock_time + 45 < time()) {
                 // allow max locktime of 45 seconds
                 SmartFileSystem::delete($temporary_pw);
                 // delete the old temporary if any
                 SmartFileSystem::delete($lock_file);
                 // release the lock file
             }
             //end if
         }
         //end if
         //--
         if (is_file($y_mov_file) and !SmartFileSystem::file_or_link_exists($y_mov_img_preview) and !SmartFileSystem::file_or_link_exists($lock_file)) {
             //--
             @chmod($y_mov_file, SMART_FRAMEWORK_CHMOD_FILES);
             //mark chmod
             //--
             $out .= '<table width="550" bgcolor="#74B83F">';
             $out .= '<tr><td>Processing Movie Preview:' . ' ' . "'" . Smart::escape_html(basename($y_mov_file)) . "'" . ' -&gt; ' . "'" . Smart::escape_html(basename($y_mov_img_preview)) . "'" . '</td></tr>';
             //-- create a lock file
             SmartFileSystem::write($lock_file, time());
             //-- generate preview (jpeg)
             if (is_executable(SMART_FRAMEWORK_MEDIAGALLERY_MOV_THUMBNAILER)) {
                 // generate a max preview of 240x240 which will be later converted below
                 $exec = SMART_FRAMEWORK_MEDIAGALLERY_MOV_THUMBNAILER . ' -y -i ' . '"' . $y_mov_file . '"' . ' -s 240x240 -vframes 60 -f image2 -vcodec mjpeg -deinterlace ' . '"' . $temporary_pw . '"';
                 @exec($exec, $arr_result, $exitcode);
             } else {
                 $arr_result = array('error' => 'IS NOT EXECUTABLE ...', 'movie-thumbnailer' => SMART_FRAMEWORK_MEDIAGALLERY_MOV_THUMBNAILER);
                 $exitcode = -1;
             }
             //end if
             //--
             $is_ok_pw = 1;
             if (!is_file($temporary_pw)) {
                 $is_ok_pw = 0;
             } elseif (@filesize($temporary_pw) <= 1444) {
                 // detect if blank jpeg of 240x240
                 $is_ok_pw = 0;
             }
             //end if
             //--
             if ($is_ok_pw != 1) {
                 SmartFileSystem::delete($temporary_pw);
                 SmartFileSystem::copy($y_mov_blank_img_preview, $temporary_pw);
                 // in the case ffmpeg fails we avoid enter into a loop, or if ffmpeg is not found we use a blank preview
             }
             //end if
             //--
             $out .= '<tr><td>[DONE]</td></tr>';
             if ((string) SMART_FRAMEWORK_DEBUG_MODE == 'yes') {
                 SmartFrameworkRegistry::setDebugMsg('extra', 'MEDIA-GALLERY', ['title' => '[INFO] :: MediaUTIL/Mov/Process-Preview/FFMpeg', 'data' => 'Runtime Result: ' . "'" . $y_mov_file . "'" . ' -> ' . "'" . $y_mov_img_preview . "'" . ' = [' . $exitcode . '] @ ' . @print_r($arr_result, 1)]);
             }
             //end if
             //-- process and apply watermark if any
             if (is_file($temporary_pw)) {
                 //--
                 @chmod($temporary_pw, SMART_FRAMEWORK_CHMOD_FILES);
                 //mark chmod
                 //--
                 self::img_process('preview', 'no', $temporary_pw, $y_mov_img_preview, $y_quality, $y_width, $y_height, $y_watermark, $y_waterlocate);
                 //--
                 SmartFileSystem::delete($temporary_pw);
                 //--
             }
             //end if
             //-- release the lock file
             SmartFileSystem::delete($lock_file);
             //--
             $out .= '</table>';
             //--
         }
         //end if
         //--
     }
     //end if
     //--
     //--
     return $out;
     //--
 }
    public static function test_fs()
    {
        //--
        if (SMART_FRAMEWORK_TESTUNIT_ALLOW_FS_TESTS !== true) {
            return SmartComponents::operation_notice('Test Unit File System Tests are DISABLED ...');
        }
        //end if
        //--
        //--
        $time = microtime(true);
        //--
        //--
        $err = '';
        $tests = array();
        //--
        //--
        if ((string) DIRECTORY_SEPARATOR != '\\') {
            // broken links do not work on Windows !
            $tests[] = '##### FileSystem OPERATIONS / TESTS - ALL: #####';
        } else {
            $tests[] = '##### FileSystem OPERATIONS / TESTS *** PARTIAL SUPPORT ONLY (BY PLATFORM) ***: #####';
        }
        //end if else
        //--
        //--
        $test_string = '#START#' . "\n" . 'グッド' . "\n" . 'SmartFramework/Test/FileSystem' . "\n" . time() . "\n" . SMART_FRAMEWORK_HTACCESS_NOINDEXING . SMART_FRAMEWORK_HTACCESS_FORBIDDEN . SMART_FRAMEWORK_HTACCESS_NOEXECUTION . "\n" . '#END#';
        $test_str_cksum = SmartHashCrypto::sha512($test_string);
        $long_prefixed = SmartFileSysUtils::prefixed_sha1_path(sha1(time()));
        $short_prefixed = SmartFileSysUtils::prefixed_uuid10_dir(Smart::uuid_10_seq());
        //--
        $the_base_folder = 'tmp/tests/';
        $the_sufx_folder = 'Folder1';
        $the_base_file = 'NORMAL-Write_123_@#.txt';
        //--
        $the_folder = $the_base_folder . $the_sufx_folder . '/';
        $the_copy_folder = $the_base_folder . 'folder2';
        $the_move_folder = $the_base_folder . 'FOLDER3';
        $the_extra_folder = $the_folder . 'extra/';
        $the_file = $the_folder . $the_base_file;
        //--
        $get_folder = SmartFileSysUtils::add_dir_last_slash(SmartFileSysUtils::get_dir_from_path($the_folder));
        $get_file = SmartFileSysUtils::get_file_name_from_path($the_file);
        $get_xfile = SmartFileSysUtils::get_noext_file_name_from_path($the_file);
        $get_ext = SmartFileSysUtils::get_file_extension_from_path($the_file);
        //--
        $the_copy_file = $the_file . '.copy.txt';
        $the_move_file = $the_extra_folder . $the_base_file . '.copy.moved.txt';
        $the_broken_link = $the_extra_folder . 'a-broken-link';
        $the_broken_dir_link = $the_extra_folder . 'a-broken-dir-link';
        $the_good_link = $the_extra_folder . 'a-good-link';
        $the_good_dir_link = $the_extra_folder . 'a-good-dir-link';
        //--
        //--
        $tests[] = 'INITIAL-FOLDER: ' . $get_folder;
        $tests[] = 'NEW-FOLDER: ' . $the_folder;
        $tests[] = 'NEW-FILE: ' . $the_file;
        //--
        //--
        if ((string) $err == '') {
            $the_test = 'CHECK TEST SAFE PATH NAME: DIR / FILE ...';
            $tests[] = $the_test;
            if ((string) Smart::safe_pathname((string) $get_folder) !== (string) $get_folder or (string) Smart::safe_pathname((string) $the_copy_file) !== (string) $the_copy_file) {
                $err = 'ERROR: SAFE PATH NAME TEST ... FAILED !!!';
            }
            //end if
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'CHECK TEST ABSOLUTE / BACKWARD PATHS ...';
            $tests[] = $the_test;
            if (!SmartFileSysUtils::check_file_or_dir_name('/this/is/absolute', 'no') or SmartFileSysUtils::check_file_or_dir_name('/this/is/absolute') or SmartFileSysUtils::check_file_or_dir_name('/this/is/../backward/path')) {
                $err = 'ERROR: CHECK TEST ABSOLUTE / BACKWARD PATHS ... FAILED !!!';
            }
            //end if
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'CHECK EXTRACT FOLDER FROM PATH ...';
            $tests[] = $the_test;
            if ((string) $get_folder != SmartFileSysUtils::add_dir_last_slash(Smart::dir_name($the_folder))) {
                $err = 'ERROR: Path Extraction FAILED: Dir=' . $get_folder . ' ; DirName=' . SmartFileSysUtils::add_dir_last_slash(Smart::dir_name($the_folder));
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'CHECK EXTRACT FILE AND EXTENSION FROM PATH (1) ...';
            $tests[] = $the_test;
            if ((string) $get_folder . SmartFileSysUtils::add_dir_last_slash($the_sufx_folder) . $get_file != $the_file) {
                $err = 'ERROR :: Path Extraction FAILED: Re-Composed-File=' . $get_folder . SmartFileSysUtils::add_dir_last_slash($the_sufx_folder) . $get_file . ' ; File=' . $the_file;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'CHECK EXTRACT FILE AND EXTENSION FROM PATH (2) ...';
            $tests[] = $the_test;
            if ((string) $get_file != $get_xfile . '.' . $get_ext) {
                $err = 'ERROR :: Path Extraction FAILED: File=' . $get_file . ' ; XFile=' . $get_xfile . ' ; Ext=' . $get_ext;
            }
            //end if
        }
        //end if
        //--
        SmartFileSysUtils::raise_error_if_unsafe_path($the_folder);
        if ((string) $err == '') {
            $the_test = 'CHECK PATH NAME DIR: check_file_or_dir_name() : ' . $the_folder;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSysUtils::check_file_or_dir_name($the_folder);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        SmartFileSysUtils::raise_error_if_unsafe_path($the_file);
        if ((string) $err == '') {
            $the_test = 'CHECK PATH NAME FILE: check_file_or_dir_name() : ' . $the_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSysUtils::check_file_or_dir_name($the_file);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        //--
        //--
        if ((string) $err == '') {
            $parent_folder = SmartFileSysUtils::add_dir_last_slash('');
            $the_test = 'Check Add Dir Last (trailing) Slash: Empty Folder Name';
            $tests[] = $the_test;
            if ((string) $parent_folder != './') {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $parent_folder = SmartFileSysUtils::add_dir_last_slash('.');
            $the_test = 'Check Add Dir Last (trailing) Slash: Dot Folder Name: ' . $parent_folder;
            $tests[] = $the_test;
            if ((string) $parent_folder != './') {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $parent_folder = SmartFileSysUtils::add_dir_last_slash('./');
            $the_test = 'Check Add Dir Last (trailing) Slash: DotSlash Folder Name: ' . $parent_folder;
            $tests[] = $the_test;
            if ((string) $parent_folder != './') {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $parent_folder = SmartFileSysUtils::add_dir_last_slash(Smart::dir_name($the_base_folder));
            $the_test = 'Check Parent Dir Name with Add Dir Last (trailing) Slash: ' . $parent_folder . ' # from: ' . $the_base_folder;
            $tests[] = $the_test;
            if ((string) $parent_folder != 'tmp/') {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        //--
        //--
        if ((string) $err == '') {
            if (is_dir($get_folder)) {
                $the_test = 'DIR DELETE - INIT CLEANUP: dir_delete() + recursive: ' . $get_folder;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::dir_delete($the_base_folder, true);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            } else {
                $tests[] = 'DIR DELETE - INIT CLEANUP: Test Not Run (folder does not exists): ' . $get_folder;
            }
            //end if else
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'DIR CREATE RECURSIVE: dir_recursive_create() : ' . $the_folder . $long_prefixed . $short_prefixed;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::dir_recursive_create($the_folder . $long_prefixed . $short_prefixed);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'DIR CREATE NON-RECURSIVE: dir_create() : extra/ in : ' . $the_extra_folder;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::dir_recursive_create($the_extra_folder);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        //--
        if ((string) DIRECTORY_SEPARATOR != '\\') {
            // broken links do not work on Windows !
            if ((string) $err == '') {
                $the_test = 'CREATE BROKEN FILE LINK FOR DELETION (1): link_create() : as : ' . $the_broken_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::link_create('tmp/cache', $the_broken_link);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'DELETE BROKEN FILE LINK (1): delete() : as : ' . $the_broken_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::delete($the_broken_link);
                if ($result !== 1 || is_link($the_broken_link)) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'CREATE BROKEN FILE LINK FOR DELETION (2): link_create() : as : ' . $the_broken_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::link_create('tmp/index.html', $the_broken_link);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'DELETE BROKEN FILE LINK (2): dir_delete() : as : ' . $the_broken_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::dir_delete($the_broken_link);
                if ($result !== 1 || is_link($the_broken_link)) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'CREATE BROKEN FILE LINK: link_create() : as : ' . $the_broken_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::link_create('tmp/index.html', $the_broken_link);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'CREATE BROKEN DIR LINK: link_create() : as : ' . $the_broken_dir_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::link_create('tmp/', $the_broken_dir_link);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'CREATE A FILE LINK: link_create() : as : ' . $the_good_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::link_create(Smart::real_path('tmp/index.html'), $the_good_link);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'CREATE A DIR LINK: link_create() : as : ' . $the_good_dir_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::link_create(Smart::real_path('tmp/'), $the_good_dir_link);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'FILE WRITE with empty content: write() : ' . $the_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::write($the_file, '');
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'FILE WRITE: write() / before append : ' . $the_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::write($the_file, $test_string);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'FILE WRITE: write() +append : ' . $the_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::write($the_file, $test_string, 'a');
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'FILE READ / Append: read() Full Size: ' . $the_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::read($the_file);
            if ((string) SmartHashCrypto::sha512($result) != (string) SmartHashCrypto::sha512($test_string . $test_string)) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'FILE WRITE: re-write() : ' . $the_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::write($the_file, $test_string);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        //--
        if ((string) DIRECTORY_SEPARATOR != '\\') {
            // broken links do not work on Windows !
            if ((string) $err == '') {
                $the_test = 'FILE WRITE TO A BROKEN LINK: write() : ' . $the_broken_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::write($the_broken_link, $test_string);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'DELETE THE BROKEN LINK AFTER write() and RE-CREATE IT : ' . $the_broken_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::delete($the_broken_link);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'RE-CREATE BROKEN FILE LINK [AFTER WRITE]: link_create() : as : ' . $the_broken_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::link_create('tmp/index.html', $the_broken_link);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'FILE WRITE: write_if_not_exists() with Content Compare to a broken link : ' . $the_broken_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::write_if_not_exists($the_broken_link, $test_string, 'yes');
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'DELETE THE BROKEN LINK AFTER write_if_not_exists() and RE-CREATE IT : ' . $the_broken_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::delete($the_broken_link);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
            if ((string) $err == '') {
                $the_test = 'RE-CREATE BROKEN FILE LINK [AFTER WRITE-IF-NOT-EXISTS]: link_create() : as : ' . $the_broken_link;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::link_create('tmp/index.html', $the_broken_link);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'FILE WRITE: write_if_not_exists() without Content Compare : ' . $the_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::write_if_not_exists($the_file, $test_string, 'no');
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'FILE READ: read() Full Size: ' . $the_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::read($the_file);
            if ((string) SmartHashCrypto::sha512($result) != (string) $test_str_cksum) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'FILE READ: read() Partial Size, First 10 bytes: ' . $the_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::read($the_file, 10);
            if ((string) sha1($result) != (string) sha1(substr($test_string, 0, 10))) {
                // here we read bytes so substr() not SmartUnicode::sub_str() should be used
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'FILE STATIC-READ: staticread() Full Size: ' . $the_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::staticread($the_file);
            if ((string) SmartHashCrypto::sha512($result) != (string) $test_str_cksum) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'FILE STATIC-READ: staticread() Partial Size, First 10 bytes: ' . $the_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::staticread($the_file, 10);
            if ((string) sha1($result) != (string) sha1(substr($test_string, 0, 10))) {
                // here we read bytes so substr() not SmartUnicode::sub_str() should be used
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'FILE COPY: copy() : ' . $the_file . ' to: ' . $the_copy_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::copy($the_file, $the_copy_file);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'FILE COPY with OVERWRITE: copy() : ' . $the_file . ' to: ' . $the_copy_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::copy($the_file, $the_copy_file, true);
            // overwrite destination file(s)
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'FILE RE-COPY (test should re-write the destination): copy() : ' . $the_file . ' to: ' . $the_move_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::copy($the_file, $the_move_file);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            } else {
                $the_test = 'FILE DELETE: delete() : ' . $the_move_file;
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::delete($the_move_file);
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'FILE RENAME/MOVE: rename() : ' . $the_copy_file . ' to: ' . $the_move_file;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::rename($the_copy_file, $the_move_file);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        //--
        if ((string) $err == '') {
            if (is_dir('__development/')) {
                //--
                $the_test = 'RECURSIVE COPY (CLONE) DIR [DEVELOPMENT]: dir_copy() : ' . '__development/' . ' to: ' . $the_folder . '__development';
                $tests[] = $the_test;
                $result = 0;
                $result = SmartFileSystem::dir_copy('__development/', $the_folder . '__development');
                if ($result !== 1) {
                    $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
                }
                //end if
                //--
                if ((string) $err == '') {
                    $the_test = 'DIR COMPARE THE [DEVELOPMENT] SOURCE WITH [DEVELOPMENT] DESTINATION AFTER DIR COPY AND DIR MOVE:' . "\n" . 'compare_folders() : ' . '__development/' . ' with: ' . $the_folder . '__development/';
                    $tests[] = $the_test;
                    $arr_diff = array();
                    $arr_diff = SmartFileSystem::compare_folders('__development', $the_folder . '__development', true, true);
                    if (Smart::array_size($arr_diff) > 0) {
                        $err = 'ERROR :: ' . $the_test . ' #DIFFERENCES=' . print_r($arr_diff, 1);
                    }
                    //end if
                }
                //end if
                //--
            } else {
                $tests[] = 'RECURSIVE COPY (CLONE) DIR [DEVELOPMENT]: Test Not Run (Development environment not detected) ...';
            }
            //end if else
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'RECURSIVE COPY (CLONE) DIR: dir_copy() : ' . $the_folder . ' to: ' . $the_copy_folder;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::dir_copy($the_folder, $the_copy_folder);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'MOVE/RENAME DIR: dir_rename() : ' . $the_copy_folder . ' to: ' . $the_move_folder;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::dir_rename($the_copy_folder, $the_move_folder);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'DIR COMPARE THE SOURCE WITH DESTINATION AFTER DIR COPY AND DIR MOVE: ' . $the_folder . ' with: ' . $the_move_folder;
            $tests[] = $the_test;
            $arr_diff = array();
            $arr_diff = SmartFileSystem::compare_folders($the_folder, $the_move_folder, true, true);
            if (Smart::array_size($arr_diff) > 0) {
                $err = 'ERROR :: ' . $the_test . ' #DIFFERENCES=' . print_r($arr_diff, 1);
            }
            //end if
        }
        //end if
        //--
        if ((string) $err == '') {
            $the_test = 'DIR DELETE - SIMPLE: dir_delete() non-recursive: ' . $the_extra_folder;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::dir_delete($the_extra_folder, false);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        if ((string) $err == '') {
            $the_test = 'DIR DELETE - LAST CLEANUP: dir_delete() + recursive: ' . $get_folder;
            $tests[] = $the_test;
            $result = 0;
            $result = SmartFileSystem::dir_delete($the_base_folder, true);
            if ($result !== 1) {
                $err = 'ERROR :: ' . $the_test . ' #RESULT=' . $result;
            }
            //end if
        }
        //end if
        //--
        //--
        $time = 'TOTAL TIME was: ' . (microtime(true) - $time);
        //--
        //--
        $end_tests = '##### END TESTS ... ' . $time . ' sec. #####';
        //--
        //--
        if ((string) $err == '') {
            $img_sign = 'lib/core/img/sign_info.png';
            $img_check = 'lib/core/img/q_completed.png';
            $text_main = Smart::escape_js('<span style="color:#83B953;">Good ... Perfect &nbsp;&nbsp;&nbsp; :: &nbsp;&nbsp;&nbsp; グッド ... パーフェクト</span>');
            $text_info = Smart::escape_js('<h2><span style="color:#83B953;">All</span> the SmartFramework FS Operations <span style="color:#83B953;">Tests PASSED on PHP</span><hr></h2><span style="font-size:14px;">' . Smart::nl_2_br(Smart::escape_html(implode("\n" . '* ', $tests) . "\n" . $end_tests)) . '</span>');
        } else {
            $img_sign = 'lib/core/img/sign_error.png';
            $img_check = 'lib/core/img/q_warning.png';
            $text_main = Smart::escape_js('<span style="color:#FF5500;">An ERROR occured ... &nbsp;&nbsp;&nbsp; :: &nbsp;&nbsp;&nbsp; エラーが発生しました ...</span>');
            $text_info = Smart::escape_js('<h2><span style="color:#FF5500;">A test FAILED</span> when testing FS Operations.<span style="color:#FF5500;"><hr>FAILED Test Details</span>:</h2><br><h3>' . Smart::escape_html($tests[Smart::array_size($tests) - 1]) . '</h3><br><span style="font-size:14px;"><pre>' . Smart::escape_html($err) . '</pre></span>');
        }
        //end if else
        //--
        //--
        $html = <<<HTML
<h1>SmartFramework LibFileSystem Tests: DONE ... [ Time: {$time} sec. ]</h1>
<script type="text/javascript">
\tSmartJS_BrowserUtils.alert_Dialog(
\t\t'<img src="{$img_sign}" align="right"><h1>{$text_main}</h1><hr><span style="color:#333333;"><img src="{$img_check}" align="right">{$text_info}<br>',
\t\t'',
\t\t'FileSystem Operations Test Suite for SmartFramework: PHP',
\t\t'920',
\t\t'480'
\t);
</script>
HTML;
        //--
        //--
        return $html;
        //--
    }