/**
  * Make a php file which contain array with installed modules
  */
 function _writeInPHPCache($arModules)
 {
     $compiled = '<?php $arModules = array (';
     $first = true;
     foreach ($arModules as $name) {
         if (!$first) {
             $compiled .= ',';
         }
         $first = false;
         $compiled .= "'{$name}'";
     }
     $compiled .= '); ?>';
     require_once COPIX_UTILS_PATH . 'CopixFile.class.php';
     $objectWriter =& new CopixFile();
     $objectWriter->write(CopixModule::_getCompiledFileName(), $compiled);
 }