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<?php

##

## this file name is 'func.globals.php'

##

## globlas functions

##

## [author]

##  - Chilbong Kim<san2(at)linuxchannel.net>

##

## [changes]

##  - 2013.02.25 : bug fixed $_SERVER['_URI']

##  - 2005.09.14 : bug fixed $_SERVER['_URI']

##  - 2005.02.28 : add $_SERVER['_BUI']

##  - 2003.07.02 : realuri() bug fixed

##  - 2003.03.17 : realuri() bug fixed

##  - 2003.03.06 : new build

##

## [references]

##

## [usage]

##

## [example]

##



## if you using the PHP/4.0.x

## http://www.php.net/ChangeLog-4.php

##

function _globals()

{

  global $_SERVER; // add user vars for 4.0.x



  if(preg_match('/^4\.0/',PHP_VERSION))

  {

    $GLOBALS['_SERVER'] = array_merge($GLOBALS['HTTP_SERVER_VARS'],$_SERVER);

    $GLOBALS['_GET'] = $GLOBALS['HTTP_GET_VARS'];

    $GLOBALS['_POST'] = $GLOBALS['HTTP_POST_VARS'];

    $GLOBALS['_COOKIE'] = $GLOBALS['HTTP_COOKIE_VARS'];

    $GLOBALS['_SESSION'] = $GLOBALS['HTTP_SESSION_VARS'];

    $GLOBALS['_ENV'] = $GLOBALS['HTTP_ENV_VARS'];

    $GLOBALS['_FILES'] = $GLOBALS['HTTP_POST_FILES']; // ???

    $GLOBALS['_REQUEST'] = array_merge($_GET,$_COOKIE);

  }

}



## this alias

##

function _global()

{

  return _globals();

}



## get $_SERVER['_URI'] and $_SERVER['_PHP_SELF'] (for includes)

##

function realuri($_OPWD)

{

  global $_SERVER; // add user vars for 4.0.x



  if(!$_SERVER) _globals(); // re-check PHP version



  $GLOBALS['_SERVER']['_PWD'] = $_PWD = realpath($_OPWD); // it's override

  $GLOBALS['_SERVER']['_PHP_SELF'] = $_SERVER['SCRIPT_NAME'];

  $GLOBALS['_SERVER']['_SURI'] = preg_replace(';index\.(?:php|php4)$;i','',$_SERVER['SCRIPT_NAME']);



  if($_SERVER['_URI']) return; // it's not override



  ## for system account user

  ##

  if(preg_match(';^/~;',$_SERVER['REQUEST_URI']))

  {

    $_S['_SNAME'] = realpath($_SERVER['SCRIPT_FILENAME']);

    $_S['_FNAME'] = preg_replace(';^/~[^/]+;','',$_SERVER['SCRIPT_NAME']);

    $_S['_UURI'] = str_replace($_S['_FNAME'],'',$_SERVER['SCRIPT_NAME']);

    $_S['_DOCUMENT_ROOT'] = str_replace($_S['_FNAME'],'',$_S['_SNAME']);

    $_S['_DOCUMENT_PATH'] = str_replace($_S['_DOCUMENT_ROOT'],'',$_PWD);

    $_URI = $_S['_UURI'] . $_S['_DOCUMENT_PATH'];

  }

  else

  {

    $_SERVER['DOCUMENT_ROOT'] = preg_replace(';/+$;','',$_SERVER['DOCUMENT_ROOT']); // rtrim(/)

    if(preg_match(';^'.$_SERVER['DOCUMENT_ROOT'].';',$_PWD))

    {

        $_URI = str_replace($_SERVER['DOCUMENT_ROOT'],'',$_PWD);

    }

    else if(preg_match(';^'.$_PWD.';',$_OPWD)) // symbolic link match, san2@2013.02.25

    {

        $_URI = preg_replace(';^'.$_PWD.';','',$_OPWD);

        $_URI = $_URI ? dirname(realpath($_URI)) : '';

    }

    else // may be

    {

        $_URI = str_replace($_SERVER['DOCUMENT_ROOT'],'',$_SERVER['SCRIPT_FILENAME']);

        $_URI = dirname($_URI);

    }

  }



  ## patch san2@2005.09.14

  ##

  $GLOBALS['_SERVER']['_URI'] = preg_replace(array(';^/+;',';^/$;'),array('/',''),$_URI); // it's not override

  $GLOBALS['_SERVER']['_BUI'] = dirname($_SERVER['SCRIPT_NAME']); // base uri

}



?>