CURLOPT_MUTE 1220 ext/curl/interface.c #if CURLOPT_MUTE != 0 CURLOPT_MUTE 1221 ext/curl/interface.c REGISTER_CURL_CONSTANT(CURLOPT_MUTE); CURLOPT_MUTE 2256 ext/curl/interface.c #if CURLOPT_MUTE != 0 CURLOPT_MUTE 2257 ext/curl/interface.c case CURLOPT_MUTE: