classes/core/Core.inc.php

<?php

// $Id: Core.inc.php,v 1.24 2008/07/01 01:16:09 asmecher Exp $


class Core {

   function getBaseDir() {
      static $baseDir;

      if (!isset($baseDir)) {
         // Need to change if this file moves from classes/core
         $baseDir = dirname(dirname(dirname(__FILE__)));
      }

      return $baseDir;
   }

   function cleanVar($var) {
      // only process strings that are not UTF-8 already
      if ( !String::isUTF8($var) && Config::getVar('i18n', 'charset_normalization') == 'On' ) {
         import('core.Transcoder');
         $var = strtr($var, array("&amp;" => "&", "&quot" => '"', "&lt;" => "<", "&gt;" => ">"));

         // convert string to HTML entities (numeric and named)
         $trans =& new Transcoder('CP1252', 'HTML-ENTITIES');
         $var = $trans->trans($var);

         // convert UTF-8 entities back to UTF-8 characters
         $trans =& new Transcoder('HTML-ENTITIES', 'UTF-8');
         $var = $trans->trans($var);
      }     

      return trim($var);
   }

   function cleanFileVar($var) {
      return String::regexp_replace('/[^\w\-]/', '', $var);
   }

   function getCurrentDate($ts = null) {
      return date('Y-m-d H:i:s', isset($ts) ? $ts : time());
   }

   function microtime() {
      list($usec, $sec) = explode(' ', microtime());
      return (float)$sec + (float)$usec;
   }

   function serverPHPOS() {
      return PHP_OS;
   }

   function serverPHPVersion() {
      return phpversion();
   }

   function isWindows() {
      return strtolower(substr(Core::serverPHPOS(), 0, 3)) == 'win';
   }
}

?>

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