Version | Change
--------|-------
-2.1.0 | Added $dns_interface, $dns_local_ip4, $dns_local_ip6 options.
+2.1.0 | Added $dns_interface, $dns_local_ip4, $dns_local_ip6 options, $expect_100_timeout.
## Constants:
Seconds to wait before sending keepalive probes. Available if libcurl is v7.25.0 or more recent.
* int $tcp_keepintvl
Interval in seconds to wait between sending keepalive probes. Available if libcurl is v7.25.0 or more recent.
-
+* bool $tcp_nodelay
+ Disable [Nagle's algotrithm](http://tools.ietf.org/html/rfc896).
+
### Authentication
* string $httpauth
Seconds the complete transfer may take.
* float $connecttimeout
Seconds the connect may take.
+* float $expect_100_timeout
+ Senconds to wait for the server to send a response to "Expect: 100-Continue" before just proceeding with the request. Available if libcurl is v7.36.0 or more recent.
### SSL