3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php gethostbyaddr($_SERVER['167.206.19.130']); ?>
Output for 5.5.0 - 7.1.0
Notice: Undefined index: 167.206.19.130 in /in/QlIsa on line 2 Warning: gethostbyaddr(): Address is not a valid IPv4 or IPv6 address in /in/QlIsa on line 2
Output for 5.2.3 - 5.4.45
Warning: gethostbyaddr(): Address is not a valid IPv4 or IPv6 address in /in/QlIsa on line 2
Output for 4.4.3 - 5.2.2
<br /> <b>Warning</b>: gethostbyaddr() [<a href='function.gethostbyaddr'>function.gethostbyaddr</a>]: Address is not a valid IPv4 or IPv6 address in <b>/in/QlIsa</b> on line <b>2</b><br />
Output for 4.3.2 - 4.4.2
<br /> <b>Warning</b>: gethostbyaddr(): Address is not a valid IPv4 or IPv6 address in <b>/in/QlIsa</b> on line <b>2</b><br />
Output for 4.3.0 - 4.3.1
<br /> <b>Warning</b>: gethostbyaddr() [<a href='http://www.php.net/function.gethostbyaddr'>function.gethostbyaddr</a>]: Address is not a valid IPv4 or IPv6 address in <b>/in/QlIsa</b> on line <b>2</b><br />