function compress_html($string) {
$string = str_replace("\r\n",'',$string); //清除换行符
$string = str_replace("\n",$string); //清除换行符
$string = str_replace("\t",$string); //清除制表符
$pattern = array (
"/> *([^ ]*) *</",//去掉注释标记
"/[\s]+/","/<!--[\\w\\W\r\\n]*?-->/","/\" /","/ \"/","'/\*[^*]*\*/'"
);
$replace = array (
">\\1<"," ","","\"",""
);
return preg_replace($pattern,$replace,$string);
}