Classic full PHP Get URL parameters with domain name code

if (!isset ($_server[' Request_uri ')) {
$_server[' Request_uri '] = substr ($_server[' argv '][0],strpos ($_server[' argv '][0 '), '; ') + 1);
}

/*
+-------------------------------------------
+ fix:success
+-------------------------------------------
*/
if ($_server[' Request_uri ']) {

/*
+---------------------------------------
+ Check True String
+---------------------------------------
*/
if (Strpos (Strtolower ($urlconf [' domains ']), ' http://') = = False) {
$URI _config_length = strlen ($urlconf [' domains ']. $urlconf [' Default ']) + 1;
$URI _quested_length = strlen ($_server[' Request_uri '));
$_server[' Request_uri '] = substr ($_server[' Request_uri '), $URI _config_length, ($URI _quested_length-$URI _config_ LENGTH));
}else{
$URI _config_length = $urlconf [' domains ']. $urlconf [' Default ']. ' /';
$URI _quested_length = ' http://'. ($_server[' Http_host ']? $_server[' Http_host ']: $_server[' server_name ']). $_server[' Request_uri '];
$_server[' Request_uri ' = Str_replace ($URI _config_length, ', $URI _quested_length);
}
$_server[' Request_uri '] = str_replace ($urlconf [' extents '], ', $_server[' Request_uri ']);

/*
+---------------------------------------
+ Rewrite URI variables
+---------------------------------------
*/
$URI _requested_variables = explode ('/', $_server[' Request_uri ']);
if ($URI _requested_variables[' 0 ']) {
$action = $URI _requested_variables[' 0 '];
if ($URI _requested_variables[' 1 ']) {
$option = $URI _requested_variables[' 1 '];
if ($URI _requested_variables[' 2 ']) {
$extent = $URI _requested_variables[' 2 '];
if ($action = = ' Display ') {
$info = $extent;
//}
if ($URI _requested_variables[' 3 ']) {
$info = $URI _requested_variables[' 3 '];
}
}else{
$extent = $info = ';
}
}else{
$option = $extent = $info = ';
}
}else{
$action = $option = $extent = $info = ';
}
}