Rewriter.php

//RewriteCond %{REQUEST_URI} !^/index\.php.* [NC]
//RewriteRule ^(.*)$ /index.php

//RewriteCond %{REQUEST_URI} ^/site [NC]
//RewriteRule site index.php


if ( isset($_SERVER['REDIRECT_URL']) ) {
  // REDIRECT_URL - PHP_SELF
  // http://localhost/test/ym/something/or/other?woot=1
  // '/test/ym/something/or/other' - '/test/index.php'
  $path = $_SERVER['REDIRECT_URL'];
  $find = $_SERVER['PHP_SELF'];
  $pos = strrpos($find,'/');

  if ( $pos != '' ){
    $find = substr($find, 0, $pos);
    $pos = strpos( $path, $find );
    $path = substr( $path, $pos+strlen($find) );
  }
}
elseif( isset($_SERVER['PATH_INFO']) ) {
    // PATH_INFO
    // http://localhost/test/index.php/ym/something/or/other?woot=1
    // '/ym/something/or/other'
    $path = $_SERVER['PATH_INFO'];
}
else {
  $path = '';
}

$path = explode('/',ltrim($path,'/'));