public function compile() { // go on even if user "stops" the script by closing the browser, closing the terminal etc. ignore_user_abort(true); // set script running time to unlimited set_time_limit(0); $root_dir = $this->root_dir; $scss_compiler = new Compiler(); $scss_compiler->setNumberPrecision(10); $scss_compiler->stripComments = $this->strip_comments; $scss_compiler->addImportPath(function ($path) use($root_dir) { $path = $root_dir . $path . '.scss'; $path_parts = pathinfo($path); $underscore_file = $path_parts['dirname'] . '/_' . $path_parts['basename']; if (file_exists($underscore_file)) { $path = $underscore_file; } if (!file_exists($path)) { return null; } return $path; }); // set the path to your to-be-imported mixins. please note: custom paths are coming up on future releases! //$scss_compiler->setImportPaths($scss_folder); // set css formatting (normal, nested or minimized), @see http://leafo.net/scssphp/docs/#output_formatting $scss_compiler->setFormatter($this->formatter); // get .scss's content, put it into $string_sass $string_sass = ''; if (is_array($this->scss_file)) { foreach ($this->scss_file as $scss_file) { $string_sass .= file_get_contents($scss_file); } } else { $string_sass = file_get_contents($this->scss_file); } // try/catch block to prevent script stopping when scss compiler throws an error try { // compile this SASS code to CSS $string_css = $scss_compiler->compile($string_sass) . "\n"; // $string_css = csscrush_string($string_css, $options = array('minify' => true)); // write CSS into file with the same filename, but .css extension file_put_contents($this->css_file, $string_css); } catch (Exception $e) { // here we could put the exception message, but who cares ... echo $e->getMessage(); exit; } }