Flarum\Asset\LessCompiler::compile PHP Method

    public function compile()
    {
        if (!count($this->files) || !count($this->strings)) {
            return;
        }
        ini_set('xdebug.max_nesting_level', 200);
        $parser = new Less_Parser(['compress' => true, 'cache_dir' => $this->cachePath, 'import_dirs' => [base_path() . '/vendor/components/font-awesome/less' => '']]);
        try {
            foreach ($this->files as $file) {
                $parser->parseFile($file);
            }
            foreach ($this->strings as $callback) {
                $parser->parse($callback());
            }
            return $parser->getCss();
        } catch (Less_Exception_Parser $e) {
            // TODO: log an error somewhere?
        }
    }