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<?php $host = $_SERVER['HTTP_HOST']; preg_match("/[^\.\/]+\.[^\.\/]+$/", $host, $matches); echo "domain name is: {$matches[0]}\n";
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "HTTP_HOST" in /in/DtCBk on line 2 Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/DtCBk on line 3 Warning: Undefined array key 0 in /in/DtCBk on line 4 domain name is:

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