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<?php
 class URL {
 
 function URL($script='') {
 if ($_SERVER['HTTPS'] == 'on') {
 $protocol = 'https';
 } else {
 $protocol = 'http';
 }
 $url = $protocol . '://' . $_SERVER['HTTP_HOST'];
 if ($script) {
 $url .= $script;
 } else {
 $url .= $_SERVER['SCRIPT_NAME'];
 if ($_SERVER['PATH_INFO']) {
 $url .= $_SERVER['PATH_INFO'];
 }
 }
 return $url;
 }
 
 }
 
 ?>
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