array( "roojs1/css-bootstrap/bootstrap.css", "roojs1/css-bootstrap/bootstrap.min.css" ), "roojs1/less/roojs-bootstrap/roojs-bootstrap.less" => array( "roojs1/css-bootstrap/roojs-bootstrap-debug.css", "roojs1/css-bootstrap/roojs-bootstrap.css" ) ); require_once 'HTML/Less.php'; $less = new HTML_Less(); foreach ($files as $src => $file){ if(!file_exists($src)){ echo "{$src} does not exist...\n"; continue; } echo "{$src} exist \n"; // try { // // foreach ($file as $f){ // echo "Compiling - {$src} To {$f}\n"; // // $less->compileFile($src, $f); // } // // } catch (Exception $ex) { // echo "lessphp fatal error: {$ex->getMessage()}\n"; // } }