View file include/gzip.php

<?php
ob_start(9); 
ob_implicit_flush(0); 
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($HTTP_ACCEPT_ENCODING,'gzip') !== false) return "gzip";
return 0; 
} 
function GzDocOut($level=1,$debug=0){ 
$ENCODING = CheckCanGzip(); 
if ($ENCODING){ 
print "\n\n";
$Contents = ob_get_contents();
ob_end_clean(); 
if ($debug){ 
$s = " 
Длина без сжатия: ".strlen($Contents); 
$s .= "
Длина с сжатием: ".strlen(gzcompress($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;
} 
} 
?>