sibtracker/system/modules/gzip.php
2019-05-18 13:46:03 +08:00

63 lines
1.6 KiB
PHP

<?php
if(!defined('DATALIFEENGINE'))
{
die("Hacking attempt!");
}
function CheckCanGzip(){
if (headers_sent() || connection_aborted() || !function_exists('ob_gzhandler') || ini_get('zlib.output_compression')) return 0;
if (strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'x-gzip') !== false) return "x-gzip";
if (strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== false) return "gzip";
return 0;
}
function GzipOut($debug=0){
global $config, $Timer, $db, $tpl, $_DOCUMENT_DATE;
$s = "
<!-- Âðåìÿ âûïîëíåíèÿ ñêðèïòà ".$Timer->stop()." ñåêóíä -->
<!-- Âðåìÿ çàòðà÷åííîå íà êîìïèëÿöèþ øàáëîíîâ ".round($tpl->template_parse_time, 5)." ñåêóíä -->
<!-- Âðåìÿ çàòðà÷åííîå íà âûïîëíåíèå MySQL çàïðîñîâ: ".round($db->MySQL_time_taken, 5)." ñåêóíä -->
<!-- Îáùåå êîëè÷åñòâî MySQL çàïðîñîâ ".$db->query_num." -->";
if($_DOCUMENT_DATE)
{
@header ("Last-Modified: " . date('r', $_DOCUMENT_DATE) ." GMT");
}
if ($config['allow_gzip'] != "yes") {if ($debug) echo $s; ob_end_flush(); return;}
$ENCODING = CheckCanGzip();
if ($ENCODING){
$s .= "\n<!-- Äëÿ âûâîäà èñïîëüçîâàëîñü ñæàòèå $ENCODING -->\n";
$Contents = ob_get_contents();
ob_end_clean();
if ($debug){
$s .= "<!-- Îáùèé ðàçìåð ôàéëà: ".strlen($Contents)." áàéò ";
$s .= "Ïîñëå ñæàòèÿ: ".
strlen(gzencode($Contents, 1, FORCE_GZIP)).
" áàéò -->";
$Contents .= $s;
}
header("Content-Encoding: $ENCODING");
$Contents = gzencode($Contents, 1, FORCE_GZIP);
echo $Contents;
exit;
}else{
ob_end_flush();
exit;
}
}
?>