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<?php $query="select country,admin1,admin2,admin3,admin4 from geoname where geonameid=$id"; $result=$mysqli->query($query); $groups=array(); if(!$result) { die('something wrong with database> ' . $mysqli->error); } $row = $result->fetch_object(); $sql=''; for($i=1;$i<$lvl;$i++) { $admin='admin'.$i; $sql.=$admin.'='.$row->$admin; }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $id in /in/jE9tG on line 2 Warning: Undefined variable $mysqli in /in/jE9tG on line 3 Fatal error: Uncaught Error: Call to a member function query() on null in /in/jE9tG:3 Stack trace: #0 {main} thrown in /in/jE9tG on line 3
Process exited with code 255.

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