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run code in 150+ php & hhvm versions
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<?php function getHostIp($host) { $ip = gethostbyname($host); if ($ip == $host) { return false; } return $ip; } var_dump(getHostIp('homeserver.djekl.co.uk'));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(false)