49         foreach ($lines as $line) {
50             [$key, $val] = $this->splitLine($line);
180     protected function splitLine($line)  argument
183         $line = preg_replace('/(?<![&\\\\])#.*$/', '', $line);
184         $line = str_replace('\\#', '#', $line);
185         $line = trim($line);
186         if (empty($line)) return ['', ''];
188         $line = preg_split('/\s*:\s*/', $line, 2);
189         $line[0] = strtolower($line[0]);
190         if (!isset($line[1])) $line[1] = '';
192         return $line;
277      * @param string $line
280     protected function parseValues($line)  argument
286         $len = strlen($line);
288             if ($line[$i] === '"') {
295                     if (isset($line[$i + 1]) && $line[$i + 1] === '"') {
308             } elseif ($line[$i] === ',') {
321             $value .= $line[$i];
332      * @param string $line
335     protected function parseClasses($line)  argument
337         $classes = $this->parseValues($line);