Lines Matching refs:null
36 'ssl_cert' => null,
37 'ssl_cert_key' => null,
38 'ssl_cert_passphrase' => null,
55 null,
74 * @param int|null $port
91 if ($transport !== 'unix' && $port === null) {
96 if ($port !== null && $transport !== 'unix') {
122 * @return null|Socket
134 return $socket instanceof Socket ? $socket : null;
141 * @param null $ipAddress
142 * @return null|string
144 public function receive(&$ipAddress = null)
178 * @param int|null $port
256 null,