+foreach ($files as $src => $file){
+
+ $css = "{$file['baseDir']}/{$file['name']}";
+
+ if(!file_exists($css)){
+ continue;
+ }
+
+ $dir = "{$file['baseDir']}/{$file['sourceMapRootpath']}";
+
+ $variable = "{$dir}variables.less";
+
+ if(file_exists($variable) && filemtime("{$dir}variables.less") > filemtime($css)){
+ continue;
+ }
+
+ $isLatest = true;
+
+ foreach(scandir($dir) as $f) {
+
+ if (!strlen($f) || $f[0] == '.') {
+ continue;
+ }
+
+ $less = "{$dir}{$f}";
+
+ if(filemtime($less) > filemtime($css)){
+ $isLatest = false;
+ break;
+ }
+ }
+
+ if($isLatest){
+ echo "{$css} already up-to-date \n";
+ unset($files[$src]);
+ }
+
+}
+