Collection of a core program of PHP thief_PHP tutorial

ob_start(); 
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; 
} 
/* $level = compression level 0-9, 0=none, 9=max */ 
function GzDocOut($level=1,$debug=0){ 
$ENCODING = CheckCanGzip(); 
if ($ENCODING){ 
print "nn"; 
$Contents = ob_get_contents(); 
ob_end_clean(); 
if ($debug){ 
$s = "

Not compress length: ".strlen($Contents); 
$s .= " 
Compressed length: ".strlen(gzcompress($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); 
print $Contents; 
print pack('V',$Crc); 
print pack('V',$Size); 
exit; 
}else{ 
ob_end_flush(); 
exit; 
} 
}  
?>

http://www.bkjia.com/PHPjc/318196.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/318196.htmlTechArticle? ob_start(); ob_implicit_flush(0);aid="more-27"/a functionCheckCanGzip(){ global$HTTP_ACCEPT_ENCODING; if(headers_sent()||connection_timeout()||connection_aborted()){ return0; } if...