php - Symfony - Get root directory path from custom class -


i declare new class not inherit controller. now, want pull images remote path, , store them in directory. how root path?

class userinfo {     public function getuseravatar($url)     {         $curl = curl_init();         curl_setopt($curl, curlopt_url, $this->m_avatarorigin); // $this->m_avatarorigin remote path pull user avatar.         curl_setopt($curl, curlopt_returntransfer, 1);         curl_setopt($curl, curlopt_header, true);         curl_setopt($curl, curlopt_nobody, false);          $response = curl_exec($curl);         $header = '';         $body = '';          if (curl_getinfo($curl, curlinfo_http_code) == '200') {             $headersize = curl_getinfo($curl, curlinfo_header_size);             $header = substr($response, 0, $headersize);             $body = substr($response, $headersize);         }      curl_close($curl);     $filename = root_path."/../resources/avatar/".$this->m_name.".jpg"; // want "root_path"     file_put_content($filename, $body); }

this class doesn't inherit controller, cannot use function:

$this->get('kernel')->getrootdir();

is there better way let me root directory path?


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