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run code in 150+ php & hhvm versions
Bugs & Features
<?php $time = microtime(true); $fp = fsockopen("http://www.yahoo.com", 80, $errno, $errstr, 30); print round(microtime(true) - $time, 2);
Output for 5.0.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: fsockopen(): unable to connect to http://www.yahoo.com:80 (Unable to find the socket transport "http" - did you forget to enable it when you configured PHP?) in /in/97JhQ on line 4 0
Output for hhvm-3.10.0 - 3.12.0
0
Output for 4.3.3 - 4.3.4, 4.3.10 - 4.4.9
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/97JhQ on line 4 Warning: fsockopen(): unable to connect to http://www.yahoo.com:80 in /in/97JhQ on line 4 0
Output for 4.3.5 - 4.3.9
Warning: fsockopen(): php_network_getaddresses: gethostbyname failed in /in/97JhQ on line 4 Warning: fsockopen(): unable to connect to http://www.yahoo.com:80 in /in/97JhQ on line 4 0
Output for 4.3.2
Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: System error (is your IPV6 configuration correct? If this error happens all the time, try reconfiguring PHP using --disable-ipv6 option to configure) in /in/97JhQ on line 4 Warning: fsockopen(): unable to connect to http://www.yahoo.com:80 in /in/97JhQ on line 4 0
Output for 4.3.0 - 4.3.1

Process exited with code 139.