|
|
ob_start();
ob_implicit_flush(0);<a id="more-27"></a>
function CheckCanGzip(){
global $HTTP_ACCEPT_ENCODING;
if (headers_sent() || connection_timeout() || connection_aborted()){
return 0;
}
if (strpos($HTTP_ACCEPT_ENCODING, 'x-gzip') !== false) return "x-gzip";
if (strpos($HTTP_ACCEPT_ENCODING,'gzip') !== false) return "gzip";
return 0;
}
/* $level = compression level 0-9, 0=none, 9=max */
function GzDocOut($level=1,$debug=0){
$ENCODING = CheckCanGzip();
if ($ENCODING){
print "/n<!-- Use compress $ENCODING -->/n";
$Contents = ob_get_contents();
ob_end_clean();
if ($debug){
$s = "<p>Not compress length: ".strlen($Contents);
$s .= "
Compressed length: ".strlen(gzcompress($Contents,$level));
$Contents .= $s;
}
header("Content-Encoding: $ENCODING");
print "/x1f/x8b/x08/x00/x00/x00/x00/x00";
$Size = strlen($Contents);
$Crc = crc32($Contents);
$Contents = gzcompress($Contents,$level);
$Contents = substr($Contents, 0, strlen($Contents) - 4);
print $Contents;
print pack('V',$Crc);
print pack('V',$Size);
exit;
}else{
ob_end_flush();
exit;
}
}
?>
php技術(shù)：收藏的一個(gè)php小偷的核心程序，轉(zhuǎn)載需保留來源！
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