PHP T3Path::relativePath方法代码示例

//.........这里部分代码省略.........
					}

					$stylesheets = array($url => $stylesheet); // empty - begin a new group
					$selcounts = $selcount;
				} else {

					$stylesheets[$url] = $stylesheet;
					$selcounts += $selcount;
				}

			} else {
				// first get all the stylsheets up to this point, and get them into
				// the items array
				if(count($stylesheets)){
					$cssgroup = array();
					$groupname = array();
					foreach ( $stylesheets as $gurl => $gsheet ) {
						$cssgroup[$gurl] = $gsheet;
						$groupname[] = $gurl;
					}

					$cssgroup['groupname'] = implode('', $groupname);
					$cssgroups[] = $cssgroup;
				}

				//mark ignore current stylesheet
				$cssgroup = array($url => $stylesheet, 'ignore' => true);
				$cssgroups[] = $cssgroup;

				$stylesheets = array(); // empty - begin a new group
			}
		}
		
		if(count($stylesheets)){
			$cssgroup = array();
			$groupname = array();
			foreach ( $stylesheets as $gurl => $gsheet ) {
				$cssgroup[$gurl] = $gsheet;
				$groupname[] = $gurl;
			}

			$cssgroup['groupname'] = implode('', $groupname);
			$cssgroups[] = $cssgroup;
		}
		
		//======================= Group css ================= //

		$output = array();
		foreach ($cssgroups as $cssgroup) {
			if(isset($cssgroup['ignore'])){
				
				unset($cssgroup['ignore']);
				foreach ($cssgroup as $furl => $fsheet) {
					$output[$furl] = $fsheet;
				}

			} else {

				$groupname = 'css-' . substr(md5($cssgroup['groupname']), 0, 5) . '.css';
				$groupfile = $outputpath . '/' . $groupname;
				$grouptime = JFile::exists($groupfile) ? @filemtime($groupfile) : -1;
				$rebuild = $grouptime < 0; //filemtime == -1 => rebuild

				unset($cssgroup['groupname']);
				foreach ($cssgroup as $furl => $fsheet) {
					if(!$rebuild && @filemtime($fsheet['path']) > $grouptime){
						$rebuild = true;
					}
				}

				if($rebuild){

					$cssdata = array();
					foreach ($cssgroup as $furl => $fsheet) {
						$cssdata[] = "\n\n/*===============================";
						$cssdata[] = $furl;
						$cssdata[] = "================================================================================*/";
						
						$cssmin = Minify_CSS_Compressor::process($fsheet['data']);
						$cssmin = T3Path::updateUrl($cssmin, T3Path::relativePath($outputurl, dirname($furl)));

						$cssdata[] = $cssmin;
					}

					$cssdata = implode("\n", $cssdata);
					JFile::write($groupfile, $cssdata);
					@chmod($groupfile, 0644);
				}

				$output[$outputurl . '/' . $groupname] = array(
					'mime' => 'text/css',
					'media' => null,
					'attribs' => array()
					);
			}
		}

		//apply the change make change
		$doc->_styleSheets = $output;
	}

 function compileCss($path, $topath = '')
 {
     $app = JFactory::getApplication();
     $theme = $app->getUserState('vars_theme');
     $realpath = realpath(JPATH_ROOT . '/' . $path);
     // check path
     if (!is_file($realpath)) {
         //if (!JPath::check ($realpath)){
         return;
     }
     // Get file content
     $content = JFile::read($realpath);
     // remove comments
     $content = preg_replace('!/\\*[^*]*\\*+([^/][^*]*\\*+)*/!', '', $content);
     // split into array, separated by the import
     $arr = preg_split('#^\\s*@import\\s+"([^"]*)"\\s*;#im', $content, -1, PREG_SPLIT_DELIM_CAPTURE);
     // check and add theme less if not is theme less
     if ($theme && !preg_match('#themes/#', $path)) {
         $themepath = 'themes/' . $theme . '/' . basename($path);
         if (is_file(T3_TEMPLATE_PATH . '/less/' . $themepath)) {
             $arr[] = $themepath;
             $arr[] = '';
         }
     }
     // variables & mixin
     $vars = $this->getVars();
     // add vars
     //$this->setImportDir (array(dirname($realpath), T3_TEMPLATE_PATH.'/less/'));
     $importdirs = array();
     // compile chuck
     $import = false;
     $output = '';
     foreach ($arr as $s) {
         if ($import) {
             $import = false;
             if ($s == 'vars.less') {
                 continue;
             }
             // process import file
             $url = T3Path::cleanPath(dirname($path) . '/' . $s);
             $importcontent = JFile::read(JPATH_ROOT . '/' . $url);
             if (preg_match('#^\\s*@import\\s+"([^"]*)"\\s*;#im', $importcontent)) {
                 $importdirs[] = dirname(JPATH_ROOT . '/' . $url);
             }
             $output .= "#less-file-path{content: \"{$url}\";}\n" . $importcontent . "\n\n";
         } else {
             $import = true;
             $s = trim($s);
             if ($s) {
                 $output .= "#less-file-path{content: \"{$path}\";}\n" . $s . "\n\n";
             }
         }
     }
     $importdirs[] = dirname($realpath);
     $importdirs[] = T3_TEMPLATE_PATH . '/less/';
     $this->setImportDir($importdirs);
     $output = $this->compile($vars . "\n" . $output);
     $arr = preg_split('#^\\s*\\#less-file-path\\s*{\\s*[\\r\\n]*\\s*content:\\s*"([^"]*)";\\s*[\\r\\n]*\\s*}#im', $output, -1, PREG_SPLIT_DELIM_CAPTURE);
     $output = '';
     $file = '';
     $isfile = false;
     foreach ($arr as $s) {
         if ($isfile) {
             $isfile = false;
             $file = $s;
             $relpath = $topath ? T3Path::relativePath(dirname($topath), dirname($file)) : JURI::base(true) . '/' . dirname($file);
         } else {
             $output .= ($file ? T3Path::updateUrl($s, $relpath) : $s) . "\n\n";
             $isfile = true;
         }
     }
     // remove the dupliate clearfix at the beggining if not bootstrap.css file
     if (!preg_match('#bootstrap.less#', $path)) {
         $arr = preg_split('/[\\r?\\n]{2,}/', $output);
         // ignore first one, it's clearfix
         array_shift($arr);
         $output = implode("\n", $arr);
     }
     if ($topath) {
         $tofile = JPATH_ROOT . '/' . $topath;
         if (!is_dir(dirname($tofile))) {
             JFolder::create(dirname($tofile));
         }
         $ret = JFile::write($tofile, $output);
         @chmod($tofile, 0644);
         return $ret;
     }
     return $output;
 }

 /**
  * Parse a less file to get all its overrides before compile
  * @param  string  $path the less file
  */
 public static function parse($path)
 {
     $rtpl_check = '@' . preg_quote(T3_TEMPLATE_REL, '@') . '/@i';
     $rtpl_less_check = '@' . preg_quote(T3_TEMPLATE_REL, '@') . '/less/@i';
     $app = JFactory::getApplication();
     $theme = $app->getUserState('current_theme');
     $dir = $app->getUserState('current_direction');
     $is_rtl = $dir == 'rtl';
     $rel_path = preg_replace($rtpl_check, '', $path);
     $rel_dir = dirname($rel_path);
     // check path
     $realpath = realpath(JPATH_ROOT . '/' . $path);
     if (!is_file($realpath)) {
         return false;
     }
     // get file content
     $content = file_get_contents($realpath);
     //remove vars.less
     $content = preg_replace(self::$rimportvars, '', $content);
     // split into array, separated by the import
     $arr = preg_split(self::$rimport, $content, -1, PREG_SPLIT_DELIM_CAPTURE);
     $arr[] = basename($rel_path);
     $arr[] = '';
     $list = array();
     $rtl_list = array();
     $list[$path] = '';
     $import = false;
     foreach ($arr as $chunk) {
         if ($import) {
             $import = false;
             $import_url = T3Path::cleanPath(T3_TEMPLATE_REL . '/' . $rel_dir . '/' . $chunk);
             // if $url in less folder, get all its overrides
             if (preg_match($rtpl_less_check, $import_url)) {
                 $less_rel_url = preg_replace($rtpl_less_check, '', $import_url);
                 $array = T3Path::getAllPath('less/' . $less_rel_url, true);
                 if ($theme) {
                     $array = array_merge($array, T3Path::getAllPath('less/themes/' . $theme . '/' . $less_rel_url, true));
                 }
                 foreach ($array as $f) {
                     // add file in template only
                     if (preg_match($rtpl_check, $f)) {
                         $list[$f] = T3Path::relativePath(dirname($path), $f);
                     }
                 }
                 // rtl overrides
                 if ($is_rtl) {
                     $array = T3Path::getAllPath('less/rtl/' . $less_rel_url, true);
                     if ($theme) {
                         $array = array_merge($array, T3Path::getAllPath('less/rtl/themes/' . $theme . '/' . $less_rel_url, true));
                     }
                     foreach ($array as $f) {
                         // add file in template only
                         if (preg_match($rtpl_check, $f)) {
                             $rtl_list[$f] = T3Path::relativePath(dirname($path), $f);
                         }
                     }
                 }
             } else {
                 $list[$import_url] = T3Path::cleanPath($chunk);
                 // rtl override
                 if ($is_rtl) {
                     $rtl_url = preg_replace('/\\/less\\//', '/less/rtl/', $import_url);
                     if (is_file(JPATH_ROOT . '/' . $rtl_url)) {
                         $rtl_list[$rtl_url] = T3Path::relativePath(dirname($path), $rtl_url);
                     }
                 }
             }
         } else {
             $import = true;
             $list[$chunk] = false;
         }
     }
     // remove itself
     unset($list[$path]);
     // join rtl
     if ($is_rtl) {
         $list["\n\n#" . self::$krtlsep . "{content: \"separator\";}\n\n"] = false;
         $list = array_merge($list, $rtl_list);
     }
     return $list;
 }

 /**
  *
  * Show thememagic form
  */
 public static function thememagic($path)
 {
     $app = JFactory::getApplication();
     $input = $app->input;
     $isadmin = $app->isAdmin();
     if ($isadmin) {
         $tplparams = T3::getTplParams();
     } else {
         $tplparams = $app->getTemplate(true)->params;
     }
     $url = $isadmin ? JUri::root(true) . '/index.php' : JUri::current();
     $url .= (preg_match('/\\?/', $url) ? '&' : '?') . 'themer=1';
     $url .= $tplparams->get('theme', -1) != -1 ? '&t3style=' . $tplparams->get('theme') : '';
     if ($isadmin) {
         $url .= '&t3tmid=' . $input->getCmd('id');
     }
     $assetspath = T3_TEMPLATE_PATH;
     $themepath = $assetspath . '/less/themes';
     if (!class_exists('JRegistryFormatLESS')) {
         include_once T3_ADMIN_PATH . '/includes/format/less.php';
     }
     $themes = array();
     $jsondata = array();
     //push a default theme
     $tobj = new stdClass();
     $tobj->id = 'base';
     $tobj->title = JText::_('JDEFAULT');
     $themes['base'] = $tobj;
     $varfile = $assetspath . '/less/variables.less';
     if (file_exists($varfile)) {
         $params = new JRegistry();
         $params->loadString(JFile::read($varfile), 'LESS');
         $jsondata['base'] = $params->toArray();
     }
     // if (JFolder::exists($themepath)) {
     foreach (T3Path::getAllPath('/less/themes') as $themepath) {
         $listthemes = JFolder::folders($themepath);
         if (count($listthemes)) {
             foreach ($listthemes as $theme) {
                 //$varsfile = $themepath . '/' . $theme . '/variables-custom.less';
                 //if(file_exists($varsfile)){
                 $tobj = new stdClass();
                 $tobj->id = $theme;
                 $tobj->title = $theme;
                 //check for all less file in theme folder
                 $params = false;
                 $others = JFolder::files($themepath . '/' . $theme, '.less', false, true);
                 foreach ($others as $other) {
                     $otherrel = T3Path::relativePath('less/', str_replace(T3_TEMPLATE_PATH . '/', '', $other));
                     //get those developer custom values
                     if ($other == 'variables.less') {
                         $params = new JRegistry();
                         $params->loadString(JFile::read($themepath . '/' . $theme . '/variables.less'), 'LESS');
                     }
                     if ($other != 'variables-custom.less') {
                         $tobj->{$other} = $otherrel;
                     }
                 }
                 $cparams = new JRegistry();
                 $varsfile = $themepath . '/' . $theme . '/variables.less';
                 if (file_exists($varsfile)) {
                     $cparams->loadString(JFile::read($varsfile), 'LESS');
                 }
                 $varsfile = $themepath . '/' . $theme . '/variables-custom.less';
                 if (file_exists($varsfile)) {
                     $cparams->loadString(JFile::read($varsfile), 'LESS');
                 }
                 if ($params) {
                     foreach ($cparams->toArray() as $key => $value) {
                         $params->set($key, $value);
                     }
                 } else {
                     $params = $cparams;
                 }
                 $themes[$theme] = $tobj;
                 $jsondata[$theme] = $params->toArray();
                 //}
             }
         }
     }
     // get active theme
     $active_theme = $tplparams->get('theme', 'base');
     if (!isset($themes[$active_theme])) {
         $active_theme = 'base';
     }
     $langs = array('addTheme' => JText::_('T3_TM_ASK_ADD_THEME'), 'delTheme' => JText::_('T3_TM_ASK_DEL_THEME'), 'overwriteTheme' => JText::_('T3_TM_ASK_OVERWRITE_THEME'), 'correctName' => JText::_('T3_TM_ASK_CORRECT_NAME'), 'themeExist' => JText::_('T3_TM_EXISTED'), 'saveChange' => JText::_('T3_TM_ASK_SAVE_CHANGED'), 'previewError' => JText::_('T3_TM_PREVIEW_ERROR'), 'unknownError' => JText::_('T3_MSG_UNKNOWN_ERROR'), 'lblCancel' => JText::_('JCANCEL'), 'lblOk' => JText::_('T3_TM_LABEL_OK'), 'lblNo' => JText::_('JNO'), 'lblYes' => JText::_('JYES'), 'lblDefault' => JText::_('JDEFAULT'));
     //Keepalive
     $config = JFactory::getConfig();
     $lifetime = $config->get('lifetime') * 60000;
     $refreshTime = $lifetime <= 60000 ? 30000 : $lifetime - 60000;
     // Refresh time is 1 minute less than the liftime assined in the configuration.php file.
     // The longest refresh period is one hour to prevent integer overflow.
     if ($refreshTime > 3600000 || $refreshTime <= 0) {
         $refreshTime = 3600000;
     }
     $backurl = JFactory::getURI();
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                 }
                 // remember this path when lookup for import
                 if (preg_match($rimport, $importcontent)) {
                     $importdirs[dirname(JPATH_ROOT . '/' . $rtl_url)] = $root . '/' . dirname($rtl_url) . '/';
                 }
                 $rtlcontent .= "\n{$importcontent}\n\n";
                 // rtl theme overwrite
                 if ($theme && strpos($url, 'themes/') === false) {
                     $rtlthemepath = preg_replace($rswitchrtl, '/less/rtl/' . $theme . '/', $url);
                     if (is_file(JPATH_ROOT . '/' . $rtlthemepath)) {
                         // process import file
                         $importcontent = JFile::read(JPATH_ROOT . '/' . $rtlthemepath);
                         $rtlcontent .= "\n{$importcontent}\n\n";
                         $importdirs[dirname(JPATH_ROOT . '/' . $rtlthemepath)] = $root . '/' . dirname($rtlthemepath) . '/';
                     }
                 }
             } else {
                 $import = true;
             }
         }
         // override in template for this file
         $rtlpath = preg_replace($rswitchrtl, '/less/rtl/', $path);
         if (is_file(JPATH_ROOT . '/' . $rtlpath)) {
             // process import file
             $importcontent = JFile::read(JPATH_ROOT . '/' . $rtlpath);
             $rtlcontent .= "\n{$importcontent}\n\n";
             $importdirs[dirname(JPATH_ROOT . '/' . $rtlpath)] = $root . '/' . dirname($rtlpath) . '/';
         }
         // rtl theme
         if ($theme) {
             $rtlthemepath = preg_replace($rswitchrtl, '/less/rtl/' . $theme . '/', $path);
             if (is_file(JPATH_ROOT . '/' . $rtlthemepath)) {
                 // process import file
                 $importcontent = JFile::read(JPATH_ROOT . '/' . $rtlthemepath);
                 $rtlcontent .= "\n{$importcontent}\n\n";
                 $importdirs[dirname(JPATH_ROOT . '/' . $rtlthemepath)] = $root . '/' . dirname($rtlthemepath) . '/';
             }
         }
         if ($rtlcontent) {
             //rtl content will be treat as a new file
             $rtlfile = str_replace('.less', '-rtl.less', $path);
             $output = $output . "\n#{$kfilepath}{content: \"{$rtlfile}\";}\n\n#{$krtlsep}{content: \"separator\";}\n\n{$rtlcontent}\n\n";
         }
     }
     // common place
     $importdirs[T3_TEMPLATE_PATH . '/less'] = T3_TEMPLATE_URL . '/less/';
     // myself
     $importdirs[dirname(JPATH_ROOT . '/' . $path)] = $root . '/' . dirname($path) . '/';
     // compile less to css using lessphp
     $parser->SetImportDirs($importdirs);
     $parser->SetFileInfo(JPATH_ROOT . '/' . $path, $root . '/' . dirname($path) . '/');
     $source = $vars . "\n#{$kvarsep}{content: \"separator\";}\n" . $output;
     $parser->parse($source);
     $output = $parser->getCss();
     //use cssjanus to transform the content
     if ($is_rtl) {
         if ($rtlcontent) {
             $output = preg_split($rsplitbegin . $krtlsep . $rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
             $rtlcontent = isset($output[2]) ? $output[2] : false;
             $output = $output[0];
         }
         T3::import('jacssjanus/ja.cssjanus');
         $output = JACSSJanus::transform($output, true);
         if ($rtlcontent) {
             $output = $output . "\n" . $rtlcontent;
         }
     }
     //update path and store to files
     $split_contents = preg_split($rsplitbegin . $kfilepath . $rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
     $file_contents = array();
     $file = $path;
     //default
     $relpath = JURI::base(true) . '/' . dirname($file);
     $isfile = false;
     foreach ($split_contents as $chunk) {
         if ($isfile) {
             $isfile = false;
             $file = $chunk;
             $relpath = $topath ? T3Path::relativePath($topath, dirname($file)) : JURI::base(true) . '/' . dirname($file);
         } else {
             $file_contents[$file] = (isset($file_contents[$file]) ? $file_contents[$file] : '') . "\n" . ($file ? T3Path::updateUrl($chunk, $relpath) : $chunk) . "\n\n";
             $isfile = true;
         }
     }
     if (!empty($file_contents)) {
         // remove the duplicate clearfix at the beginning
         $split_contents = preg_split($rsplitbegin . $kvarsep . $rsplitend, reset($file_contents));
         // ignore first one, it's clearfix
         if (is_array($split_contents)) {
             array_shift($split_contents);
         }
         $file_contents[key($file_contents)] = implode("\n", $split_contents);
         //output the file to content and add to document
         foreach ($file_contents as $file => $content) {
             $cssfile = $topath . str_replace('/', '.', $file) . '.css';
             JFile::write(JPATH_ROOT . '/' . $cssfile, $content);
             $doc->addStylesheet($root . '/' . $cssfile);
         }
     }
 }

//.........这里部分代码省略.........
                 $import = false;
                 $url = T3Path::cleanPath(dirname($path) . '/' . $s);
                 // ignore vars.less and variables.less if they are in template folder
                 // cause there may have other css less file with the same name (eg. font awesome)
                 if (preg_match($rvarscheck, $url)) {
                     continue;
                 }
                 // process import file
                 $url = preg_replace('/\\/less\\/(themes\\/)?/', '/less/rtl/', $url);
                 if (!is_file(JPATH_ROOT . '/' . $url)) {
                     continue;
                 }
                 // process import file
                 $importcontent = JFile::read(JPATH_ROOT . '/' . $url);
                 if (preg_match($rexcludepath, $url)) {
                     $importcontent = preg_replace($rimportvars, '', $importcontent);
                 }
                 // remember this path when lookup for import
                 if (preg_match($rimport, $importcontent)) {
                     $importdirs[] = dirname(JPATH_ROOT . '/' . $url);
                 }
                 $rtlcontent .= "#{$kfilepath}-rtl{content: \"{$url}\";}\n{$importcontent}\n\n";
             } else {
                 $import = true;
             }
         }
         // override in template for this file
         $rtlpath = preg_replace('/\\/less\\/(themes\\/[^\\/]*\\/)?/', '/less/rtl/', $path);
         if (is_file(JPATH_ROOT . '/' . $rtlpath)) {
             // process import file
             $importcontent = JFile::read(JPATH_ROOT . '/' . $rtlpath);
             $rtlcontent .= "#{$kfilepath}-rtl{content: \"{$rtlpath}\";}\n{$importcontent}\n\n";
         }
         // rtl theme
         if ($theme) {
             $rtlthemepath = preg_replace('/\\/less\\/(themes\\/[^\\/]*\\/)?/', '/less/rtl/' . $theme . '/', $path);
             if (is_file(JPATH_ROOT . '/' . $rtlthemepath)) {
                 // process import file
                 $importcontent = JFile::read(JPATH_ROOT . '/' . $rtlthemepath);
                 $rtlcontent .= "#{$kfilepath}-rtl{content: \"{$rtlthemepath}\";}\n{$importcontent}\n\n";
             }
         }
         if ($rtlcontent) {
             $output = $output . "#{$krtlsep}{content: \"separator\";}\n\n{$rtlcontent}\n\n";
         }
     }
     $importdirs[] = dirname($realpath);
     $importdirs[] = T3_TEMPLATE_PATH . '/less/';
     $this->setImportDir($importdirs);
     $this->setPreserveComments(true);
     $source = $vars . "\n#{$kvarsep}{content: \"separator\";}\n" . $output;
     // compile less to css using lessphp
     $output = $this->compile($source);
     $arr = preg_split($rsplitbegin . $kfilepath . $rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
     $output = '';
     $file = '';
     $isfile = false;
     foreach ($arr as $s) {
         if ($isfile) {
             $isfile = false;
             $file = $s;
             $relpath = $topath ? T3Path::relativePath(dirname($topath), dirname($file)) : JURI::base(true) . '/' . dirname($file);
         } else {
             $output .= ($file ? T3Path::updateUrl($s, $relpath) : $s) . "\n\n";
             $isfile = true;
         }
     }
     // remove the dupliate clearfix at the beggining if not bootstrap.css file
     if (strpos($path, $tpl . '/less/bootstrap.less') === false) {
         $arr = preg_split($rsplitbegin . $kvarsep . $rsplitend, $output);
         // ignore first one, it's clearfix
         if (is_array($arr)) {
             array_shift($arr);
         }
         $output = implode("\n", $arr);
     } else {
         $output = preg_replace($rsplitbegin . $kvarsep . $rsplitend, '', $output);
     }
     if ($is_rtl) {
         if ($rtlcontent) {
             $output = preg_split($rsplitbegin . $krtlsep . $rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
             $rtlcontent = isset($output[2]) ? $output[2] : false;
             $output = $output[0];
         }
         T3::import('jacssjanus/ja.cssjanus');
         $output = JACSSJanus::transform($output, true);
         if ($rtlcontent) {
             $output = $output . "\n" . $rtlcontent;
         }
     }
     //remove comments and clean up
     $output = preg_replace($rcomment, '', $output);
     $output = preg_replace($rspace, "\n\n", $output);
     if ($tofile) {
         $ret = JFile::write($tofile, $output);
         @chmod($tofile, 0644);
         return $ret;
     }
     return $output;
 }

//.........这里部分代码省略.........
                         }
                         $cssgroup['groupname'] = implode('', $groupname);
                         $cssgroup['grouptime'] = $grouptime;
                         $cssgroup['media'] = $media;
                         $cssgroups[] = $cssgroup;
                     }
                     $stylesheets = array($url => $stylesheet);
                     // empty - begin a new group
                     $selcounts = $selcount;
                 } else {
                     $stylesheets[$url] = $stylesheet;
                     $selcounts += $selcount;
                 }
             } else {
                 // first get all the stylsheets up to this point, and get them into
                 // the items array
                 if (count($stylesheets)) {
                     $cssgroup = array();
                     $groupname = array();
                     $grouptime = 0;
                     foreach ($stylesheets as $gurl => $gsheet) {
                         $cssgroup[$gurl] = $gsheet;
                         $groupname[] = $gurl;
                         $ftime = @filemtime($gsheet['path']);
                         if ($ftime > $grouptime) {
                             $grouptime = $ftime;
                         }
                     }
                     $cssgroup['groupname'] = implode('', $groupname);
                     $cssgroup['grouptime'] = $grouptime;
                     $cssgroup['media'] = $media;
                     $cssgroups[] = $cssgroup;
                 }
                 //mark ignore current stylesheet
                 $cssgroup = array($url => $stylesheet, 'ignore' => true);
                 $cssgroups[] = $cssgroup;
                 $stylesheets = array();
                 // empty - begin a new group
             }
         }
         if (count($stylesheets)) {
             $cssgroup = array();
             $groupname = array();
             $grouptime = 0;
             foreach ($stylesheets as $gurl => $gsheet) {
                 $cssgroup[$gurl] = $gsheet;
                 $groupname[] = $gurl;
                 $ftime = @filemtime($gsheet['path']);
                 if ($ftime > $grouptime) {
                     $grouptime = $ftime;
                 }
             }
             $cssgroup['groupname'] = implode('', $groupname);
             $cssgroup['grouptime'] = $grouptime;
             $cssgroup['media'] = $media;
             $cssgroups[] = $cssgroup;
         }
     }
     //======================= Group css ================= //
     $output = array();
     foreach ($cssgroups as $cssgroup) {
         if (isset($cssgroup['ignore'])) {
             unset($cssgroup['ignore']);
             unset($cssgroup['groupname']);
             unset($cssgroup['media']);
             foreach ($cssgroup as $furl => $fsheet) {
                 $output[$furl] = $fsheet;
             }
         } else {
             $rebuildCheck = self::checkRebuild($cssgroup, 'css', $outputpath);
             $media = $cssgroup['media'];
             unset($cssgroup['groupname']);
             unset($cssgroup['grouptime']);
             unset($cssgroup['media']);
             $groupname = $rebuildCheck['filename'];
             if ($rebuildCheck['rebuild']) {
                 $groupfile = $outputpath . '/' . $groupname;
                 $cssdata = array();
                 foreach ($cssgroup as $furl => $fsheet) {
                     $cssdata[] = "\n\n/*===============================";
                     $cssdata[] = $furl;
                     $cssdata[] = "================================================================================*/";
                     $cssmin = self::minifyCss($fsheet['data']);
                     $cssmin = T3Path::updateUrl($cssmin, T3Path::relativePath($outputurl, dirname($furl)));
                     $cssdata[] = $cssmin;
                 }
                 $cssdata = implode("\n", $cssdata);
                 if (!JFile::write($groupfile, $cssdata)) {
                     // cannot write file, ignore minify
                     return false;
                 }
                 $grouptime = @filemtime($groupfile);
                 @chmod($groupfile, 0644);
             }
             $output[$outputurl . '/' . $groupname] = array('mime' => 'text/css', 'media' => $media == 'all' ? NULL : $media, 'attribs' => array());
         }
     }
     //apply the change make change
     $doc->_styleSheets = $output;
 }