使用 php4 加速 web 传输

金光

  ** Filename......: gzdoc.php ** Last changed..: 25/08/2000 ** Requirments...: PHP4 >= 4.0.1 ** PHP was
configured with --with-zlib[=DIR] ** Notes.........: Dynamic Content Acceleration compresses ** the data
transmission data on the fly ** code by sun jin hu (catoc)  ** Most newer browsers since 1998/1999 have ** been
equipped to support the HTTP 1.1 ** standard known as content-encoding. ** Essentially the browser indicates to
the ** server that it can accept content encoding ** and if the server is capable it will then ** compress the
data and transmit it. The ** browser decompresses it and then renders ** the page. ** Useage........: ** No space
before the beginning of the first ' ** | ** |... the page ... ** | ** | ** -------------End of file-----------
***************************************/ ob_start(); ob_implicit_flush(0); function GetHeader(){ $headers =
getallheaders(); while (list($header, $value) = each($headers)) { $Message .= $header: $valuen; } return
$Message; } function CheckCanGzip(){ global $HTTP_ACCEPT_ENCODING, $PHP_SELF, $Wget, $REMOTE_ADDR, $S_UserName;
if (connection_timeout() || connection_aborted()){ return 0; } if ((strpos('catoc'.$HTTP_ACCEPT_ENCODING,
'gzip')) || $Wget == 'Y'){ if (strpos('catoc'.$HTTP_ACCEPT_ENCODING, 'x-gzip')){ $ENCODING = x-gzip; $Error_Msg =
str_replace('','',GetHeader()); $Error_Msg .= Time: .date(Y-m-d H:i:s).n; $Error_Msg .= Remote-Address: .
$REMOTE_ADDR.n; //mail('your@none.net', User have x-gzip output in file $PHP_SELF!!!, $Error_Msg); }else{
$ENCODING = gzip; } return $ENCODING; }else{ return 0; } } function GzDocOut(){ global $PHP_SELF, $CatocGz,
$REMOTE_ADDR, $S_UserName; $ENCODING = CheckCanGzip(); if ($ENCODING){ print nn; $Contents = ob_get_contents();
ob_end_clean(); if ($CatocGz == 'Y'){ print Not compress lenth: .strlen($Contents).; print Compressed lenth:
.strlen(gzcompress($Contents)).; exit; }else{ header(Content-Encoding: $ENCODING); } print pack
('cccccccc',0x1f,0x8b,0x08,0x00,0x00,0x00,0x00,0x00); $Size = strlen($Contents); $Crc = crc32($Contents);
$Contents = gzcompress($Contents); $Contents = substr($Contents, 0, strlen($Contents) - 4); print $Contents;
print pack('V',$Crc); print pack('V',$Size); exit; }else{ ob_end_flush(); $Error_Msg = str_replace
('','',GetHeader()); $Error_Msg .= Time: .date(Y-m-d H:i:s).n; $Error_Msg .= Remote-Address: .$REMOTE_ADDR.n;
//mail('your@none.net', User can not use gzip output in file $PHP_SELF!!!, $Error_Msg); exit; } } ?>  


转自：  http://edu.chinaz.com

金光

  ** Filename......: gzdoc.php ** Last changed..: 25/08/2000 ** Requirments...: PHP4 >= 4.0.1 ** PHP was
configured with --with-zlib[=DIR] ** Notes.........: Dynamic Content Acceleration compresses ** the data
transmission data on the fly ** code by sun jin hu (catoc)  ** Most newer browsers since 1998/1999 have ** been
equipped to support the HTTP 1.1 ** standard known as content-encoding. ** Essentially the browser indicates to
the ** server that it can accept content encoding ** and if the server is capable it will then ** compress the
data and transmit it. The ** browser decompresses it and then renders ** the page. ** Useage........: ** No space
before the beginning of the first ' ** | ** |... the page ... ** | ** | ** -------------End of file-----------
***************************************/ ob_start(); ob_implicit_flush(0); function GetHeader(){ $headers =
getallheaders(); while (list($header, $value) = each($headers)) { $Message .= $header: $valuen; } return
$Message; } function CheckCanGzip(){ global $HTTP_ACCEPT_ENCODING, $PHP_SELF, $Wget, $REMOTE_ADDR, $S_UserName;
if (connection_timeout() || connection_aborted()){ return 0; } if ((strpos('catoc'.$HTTP_ACCEPT_ENCODING,
'gzip')) || $Wget == 'Y'){ if (strpos('catoc'.$HTTP_ACCEPT_ENCODING, 'x-gzip')){ $ENCODING = x-gzip; $Error_Msg =
str_replace('','',GetHeader()); $Error_Msg .= Time: .date(Y-m-d H:i:s).n; $Error_Msg .= Remote-Address: .
$REMOTE_ADDR.n; //mail('your@none.net', User have x-gzip output in file $PHP_SELF!!!, $Error_Msg); }else{
$ENCODING = gzip; } return $ENCODING; }else{ return 0; } } function GzDocOut(){ global $PHP_SELF, $CatocGz,
$REMOTE_ADDR, $S_UserName; $ENCODING = CheckCanGzip(); if ($ENCODING){ print nn; $Contents = ob_get_contents();
ob_end_clean(); if ($CatocGz == 'Y'){ print Not compress lenth: .strlen($Contents).; print Compressed lenth:
.strlen(gzcompress($Contents)).; exit; }else{ header(Content-Encoding: $ENCODING); } print pack
('cccccccc',0x1f,0x8b,0x08,0x00,0x00,0x00,0x00,0x00); $Size = strlen($Contents); $Crc = crc32($Contents);
$Contents = gzcompress($Contents); $Contents = substr($Contents, 0, strlen($Contents) - 4); print $Contents;
print pack('V',$Crc); print pack('V',$Size); exit; }else{ ob_end_flush(); $Error_Msg = str_replace
('','',GetHeader()); $Error_Msg .= Time: .date(Y-m-d H:i:s).n; $Error_Msg .= Remote-Address: .$REMOTE_ADDR.n;
//mail('your@none.net', User can not use gzip output in file $PHP_SELF!!!, $Error_Msg); exit; } } ?>  


转自：  http://edu.chinaz.com