PHP gzip 压缩数据

function ob_gzip($content) { if( !headers_sent() && extension_loaded("zlib") && strstr($_SERVER["HTTP_ACCEPT_ENCODING"],"gzip")) { $content = gzencode($content." \n",9); header("Content-Encoding: gzip"); header("Vary: Accept-Encoding"); header("Content-Length: ".strlen($content)); } return $content; } ob_start('ob_gzip'); echo $content_to_compress; ob_end_flush();