titanscssc::findImport PHP Method

    public function findImport($url)
    {
        $urls = array();
        // for "normal" scss imports (ignore vanilla css and external requests)
        if (!preg_match('/\\.css|^http:\\/\\/$/', $url)) {
            // try both normal and the _partial filename
            $urls = array($url, preg_replace('/[^\\/]+$/', '_\\0', $url));
        }
        foreach ($this->importPaths as $dir) {
            if (is_string($dir)) {
                // check urls for normal import paths
                foreach ($urls as $full) {
                    $full = $dir . (!empty($dir) && substr($dir, -1) != '/' ? '/' : '') . $full;
                    if ($this->fileExists($file = $full . '.scss') || $this->fileExists($file = $full)) {
                        return $file;
                    }
                }
            } else {
                // check custom callback for import path
                $file = call_user_func($dir, $url, $this);
                if ($file !== null) {
                    return $file;
                }
            }
        }
        return null;
    }