PHP去除Html所有标签、空格以及空白

function cutstr_html($string, $sublen){
	$string = strip_tags($string);
	$string = trim($string);
	$string = ereg_replace("	","",$string);
	$string = ereg_replace("
","",$string);
	$string = ereg_replace("
","",$string);
	$string = ereg_replace("
","",$string);
	$string = ereg_replace(" ","",$string);
	return trim($string);
}