<?php
	function is_wpdb_installed(){
		$mydirname = basename(dirname( dirname( __FILE__ ) )) ;
		$prefix_mod = XOOPS_DB_PREFIX .'_' . preg_replace('/wordpress/','wp',$mydirname) . '_';
		$xoopsDB =& Database::getInstance();
		$sql = "SHOW TABLES LIKE '$prefix_mod%'";
		if ($result = $xoopsDB->queryf($sql)){
			if($xoopsDB->getRowsNum($result))  return true;
		}
		return false;
	}