Question:For knowing the path of the URL__ 

A <?php printf("your IP address:%s",$_SERVER['REQUEST_URI']); ?> 
B printf("your IP address:%s",$_SERVER['HTTP_USER_AGENT']); 
C printf("your IP address:%s",$_SERVER['HTTP_HOST']); 
D printf("your IP address:%s",$_SERVER['HTTP_USER_ACCEPT]); 

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