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Code Duplication    Length = 3-3 lines in 3 locations

classes/Request.php 3 locations

@@ 135-137 (lines=3) @@
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   */
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  public static function host($with_protocol=true){
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    switch(true){
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      case !empty($_SERVER['HTTP_X_FORWARDED_HOST']) :
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        $host = trim(substr(strrchr($_SERVER['HTTP_X_FORWARDED_HOST'],','),1) ?: $_SERVER['HTTP_X_FORWARDED_HOST']);
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      break;
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      case !empty($_SERVER['HTTP_HOST'])    : $host = $_SERVER['HTTP_HOST'];   break;
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      case !empty($_SERVER['SERVER_NAME'])  : $host = $_SERVER['SERVER_NAME']; break;
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      case !empty($_SERVER['HOSTNAME'])     : $host = $_SERVER['HOSTNAME'];    break;
@@ 216-218 (lines=3) @@
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   */
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  public static function IP(){
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   switch(true){
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     case !empty($_SERVER['HTTP_X_FORWARDED_FOR']):
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       $ip = trim(substr(strrchr($_SERVER['HTTP_X_FORWARDED_FOR'],','),1) ?: $_SERVER['HTTP_X_FORWARDED_FOR']);
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     break;
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     case !empty($_SERVER['HTTP_X_FORWARDED_HOST']):
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       $ip = trim(substr(strrchr($_SERVER['HTTP_X_FORWARDED_HOST'],','),1) ?: $_SERVER['HTTP_X_FORWARDED_HOST']);
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     break;
@@ 219-221 (lines=3) @@
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     case !empty($_SERVER['HTTP_X_FORWARDED_FOR']):
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       $ip = trim(substr(strrchr($_SERVER['HTTP_X_FORWARDED_FOR'],','),1) ?: $_SERVER['HTTP_X_FORWARDED_FOR']);
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     break;
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     case !empty($_SERVER['HTTP_X_FORWARDED_HOST']):
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       $ip = trim(substr(strrchr($_SERVER['HTTP_X_FORWARDED_HOST'],','),1) ?: $_SERVER['HTTP_X_FORWARDED_HOST']);
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     break;
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     case !empty($_SERVER['REMOTE_ADDR']):    $ip = $_SERVER['REMOTE_ADDR']; break;
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     case !empty($_SERVER['HTTP_CLIENT_IP']): $ip = $_SERVER['HTTP_CLIENT_IP']; break;
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     default:                                 $ip = ''; break;