/uploads/include/downmix.inc.php

<?php

function RndString(&$body)

{

	//??????(???????p????????????????????)

	$maxpos = 1024;



	//font ?????

	$fontColor = "#FFFFFF";



	//div span p ???????

	$st1 = chr(mt_rand(ord('A'),ord('Z'))).chr(mt_rand(ord('a'),ord('z'))).chr(mt_rand(ord('a'),ord('z'))).mt_rand(100,999);

	$st2 = chr(mt_rand(ord('A'),ord('Z'))).chr(mt_rand(ord('a'),ord('z'))).chr(mt_rand(ord('a'),ord('z'))).mt_rand(100,999);

	$st3 = chr(mt_rand(ord('A'),ord('Z'))).chr(mt_rand(ord('a'),ord('z'))).chr(mt_rand(ord('a'),ord('z'))).mt_rand(100,999);

	$st4 = chr(mt_rand(ord('A'),ord('Z'))).chr(mt_rand(ord('a'),ord('z'))).chr(mt_rand(ord('a'),ord('z'))).mt_rand(100,999);

	$rndstyle[1]['value'] = ".{$st1} { display:none; }";

	$rndstyle[1]['name'] = $st1;

	$rndstyle[2]['value'] = ".{$st2} { display:none; }";

	$rndstyle[2]['name'] = $st2;

	$rndstyle[3]['value'] = ".{$st3} { display:none; }";

	$rndstyle[3]['name'] = $st3;

	$rndstyle[4]['value'] = ".{$st4} { display:none; }";

	$rndstyle[4]['name'] = $st4;

	$mdd = mt_rand(1,4);

	$rndstyleValue = $rndstyle[$mdd]['value'];

	$rndstyleName = $rndstyle[$mdd]['name'];

	$reString = "<style> $rndstyleValue </style>\r\n";



	//????

	$rndem[1] = 'font';

	$rndem[2] = 'div';

	$rndem[3] = 'span';

	$rndem[4] = 'p';



	//???????

	$fp = fopen(DEDEDATA.'/downmix.data.php','r');

	$start = 0;

	$totalitem = 0;



	while(!feof($fp))

	{

		$v = trim(fgets($fp,128));

		if($start==1)

		{

			if(ereg("#end#",$v))

			{

				break;

			}

			if($v!='')

			{

				$totalitem++; $rndstring[$totalitem] = ereg_replace("#,","",$v);

			}

		}

		if(ereg("#start#",$v))

		{

			$start = 1;

		}

	}

	fclose($fp);



	//?????????

	$bodylen = strlen($body) - 1;

	$prepos = 0;

	for($i=0;$i<=$bodylen;$i++)

	{

		if($i+2 >= $bodylen || $i<50)

		{

			$reString .= $body[$i];

		}

		else

		{

			$ntag = @strtolower($body[$i].$body[$i+1].$body[$i+2]);

			if($ntag=='</p' || ($ntag=='<br' && $i-$prepos>$maxpos) )

			{

				$dd = mt_rand(1,4);

				$emname = $rndem[$dd];

				$dd = mt_rand(1,$totalitem);

				$rnstr = $rndstring[$dd];

				if($emname!='font')

				{

					$rnstr = " <$emname class='$rndstyleName'>$rnstr</$emname> ";

				}

				else

				{

					$rnstr = " <font color='$fontColor'>$rnstr</font> ";

				}

				$reString .= $rnstr.$body[$i];

				$prepos = $i;

			}

			else

			{

				$reString .= $body[$i];

			}

		}

	}

	return $reString;

}//????

?>