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  1. <?php
  2.  
  3. /**
  4.  * FILE: Detector.php
  5.  *
  6.  * @AUTHOR: LTD shalvasoft
  7.  * @AUTHOR: Shalva Kvaratskhelia
  8.  * PROJECT: Georgia Express
  9.  * VERSION: 1.0.0
  10.  */
  11.  
  12.     class Detector{
  13.  
  14.         /**
  15.          * @return string
  16.          */
  17.         public static function getProtocol(){
  18.             if(isset($_SERVER['REQUEST_SCHEME'])) {
  19.                 return $_SERVER['REQUEST_SCHEME'];
  20.             }else{
  21.                 $isSecure = false;
  22.                 if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {
  23.                     $isSecure = true;
  24.                 }
  25.                 elseif (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https' || !empty($_SERVER['HTTP_X_FORWARDED_SSL']) && $_SERVER['HTTP_X_FORWARDED_SSL'] == 'on') {
  26.                     $isSecure = true;
  27.                 }
  28.                 return $isSecure ? 'https' : 'http';
  29.             }
  30.         }
  31.  
  32.         /**
  33.          * @param bool|false $allowProxy
  34.          * @return string
  35.          */
  36.         public static function getLocalHost($allowProxy = false){
  37.             if (true === $allowProxy) {
  38.                 if (isset($_SERVER['HTTP_X_FORWARDED_HOST'])
  39.                     && !empty($_SERVER['HTTP_X_FORWARDED_HOST'])) {
  40.                     $host = $_SERVER['HTTP_X_FORWARDED_HOST'];
  41.                     if (strpos($host, ',') !== false) {
  42.                         $hosts = explode(',', $host);
  43.                         $host = trim(array_pop($hosts));
  44.                     }
  45.                     if (!empty($host)) {
  46.                         return $host;
  47.                     }
  48.                 }
  49.             }
  50.             if (isset($_SERVER['HTTP_HOST']) && !empty($_SERVER['HTTP_HOST'])) {
  51.                 if (isset($_SERVER['SERVER_PORT'])) {
  52.                     $portStr = ':' . $_SERVER['SERVER_PORT'];
  53.                     if (substr($_SERVER['HTTP_HOST'], 0 - strlen($portStr),
  54.                             strlen($portStr)) == $portStr) {
  55.                         return substr($_SERVER['HTTP_HOST'], 0, 0-strlen($portStr));
  56.                     }
  57.                 }
  58.                 return $_SERVER['HTTP_HOST'];
  59.             }
  60.             if (!isset($_SERVER['SERVER_NAME']) || !isset($_SERVER['SERVER_PORT'])) {
  61.                 return '';
  62.             }
  63.             return $_SERVER['SERVER_NAME'];
  64.         }
  65.  
  66.         /**
  67.          * @return bool
  68.          */
  69.         public static function getHttps() {
  70.             $https = null;
  71.             if (isset($_SERVER['HTTPS'])) {
  72.                 $https = strtolower($_SERVER['HTTPS']);
  73.                 if ($https == 'on' || $https == '1') {
  74.                     return true;
  75.                 }
  76.             }
  77.             if (isset($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
  78.                 $https = strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']);
  79.                 if ($https == 'https') {
  80.                     return true;
  81.                 }
  82.             }
  83.             if (isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == '443') {
  84.                 return true;
  85.             }
  86.             return false;
  87.         }
  88.     }
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https://ideone.com/n7MAfg
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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