Check if it is Localhost or server

Check if it is Localhost or server:

function is_localhost() 

{ 

    $whitelist = array( '127.0.0.1', '::1' ); 

    return in_array( $_SERVER['REMOTE_ADDR'], $whitelist); 

}

just call the function LIke,

$isLocalhost = is_localhost();

echo $isLocalhost;