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<?php $parts=explode('.',$_SERVER['HTTP_HOST']); if(isset($parts[2]) && !empty($parts[2])) { switch($parts[2]) { case 'nl': echo "404"; break; } }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "HTTP_HOST" in /in/4TKNT on line 3 Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in /in/4TKNT on line 3

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