ob_start();
ob_implicit_flush(0);
関数 CheckCanGzip(){
グローバル $HTTP_ACCEPT_ENCODING;
if (headers_sent() || connection_timeout() || connection_aborted()){
return 0;
}
if (strpos($HTTP_ACCEPT_ENCODING, 'x-gzip') !== false) return "x-gzip";
if (strpos($HTTP_ACCEPT_ENCODING,'gzip') !== false) return "gzip";
0 を返す;
}
/* $level = 圧縮レベル 0-9、0=なし、9=最大 */
function GzDocOut($level=1,$debug=0){
$ENCODING = CheckCanGzip();
if ($ENCODING){
print "nn";
$Contents = ob_get_contents();
ob_end_clean();
if ($debug){
$s = "
長さを圧縮しません: ".strlen($Contents);
$s .= "
圧縮された長さ: ".strlen(gzcompress($Contents,$level));
$Contents .= $s;
}
header("Content-Encoding: $ENCODING");
print "x1fx8bx08x00x00x00x00x00";
$Size = strlen($Contents);
$Crc = crc32($Contents);
$Contents = gzcompress($Contents,$level);
$Contents = substr($Contents, 0, strlen($Contents) - 4);
$Contents を印刷;
print pack('V',$Crc);
print pack('V',$Size);
終了;
}else{
ob_end_flush();
終了;
}
}
?>