"UTF-8 var_dump()" for DOS

gistfile1.aw

<?php

function varDump($str) { 
	if (PHP_OS == "WIN32" || PHP_OS == "WINNT") { 
		ob_start(); 
		var_dump($str); 
		$str = ob_get_contents(); 
		ob_end_clean(); 
		
		echo mb_convert_encoding($str, "SJIS", "UTF-8"); 
	} else { 
		var_dump($str); 
	} 
}