34 lines
1.3 KiB
PHP
34 lines
1.3 KiB
PHP
<?php
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// Get user ip
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function getUserIP() {
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$ipaddress = '';
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if (isset($_SERVER['HTTP_CLIENT_IP']))
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$ipaddress = $_SERVER['HTTP_CLIENT_IP'];
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else if(isset($_SERVER['HTTP_X_FORWARDED_FOR']))
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$ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR'];
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else if(isset($_SERVER['HTTP_X_FORWARDED']))
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$ipaddress = $_SERVER['HTTP_X_FORWARDED'];
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else if(isset($_SERVER['HTTP_X_CLUSTER_CLIENT_IP']))
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$ipaddress = $_SERVER['HTTP_X_CLUSTER_CLIENT_IP'];
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else if(isset($_SERVER['HTTP_FORWARDED_FOR']))
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$ipaddress = $_SERVER['HTTP_FORWARDED_FOR'];
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else if(isset($_SERVER['HTTP_FORWARDED']))
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$ipaddress = $_SERVER['HTTP_FORWARDED'];
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else if(isset($_SERVER['REMOTE_ADDR']))
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$ipaddress = $_SERVER['REMOTE_ADDR'];
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else
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$ipaddress = 'UNKNOWN';
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return $ipaddress;
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}
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function makeHash($uid) {
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$ab = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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$s_id = str_split($uid);
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$make_hash = [0,0];
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for($i=0; $i<count($s_id); $i++) $make_hash[0] += $s_id[$i]*($i+$s_id[count($s_id)-1]);
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for($i=0; $i<count($s_id); $i++) $make_hash[1] += $s_id[$i]*($i+$s_id[0]);
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$make_hash = array_map(function($v) use($ab){$chksum = ($v % 26); return $ab[$chksum];}, $make_hash);
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$hash = implode("", $make_hash);
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$result = $hash.$uid;
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return $result;
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} |