phpBB.de

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// [math] and [/math] fuer mathematische Formeln
include("includes/function_bbmath.php");

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<?php

$fp = @fsockopen("tcp://elpra.dyndns.biz", 3000, $errno, $errstr, 3);

if ($fp)
{

	preg_match_all("#\[math:$uid\](.*?)\[/math:$uid\]#si",$text,$tex_matches);


	for ($i=0; $i < count($tex_matches[0]); $i++)
	{
        $pos = strpos($text, $tex_matches[0][$i]);
        $Formel = html_entity_decode($tex_matches[1][$i]);

        $Username = 'herbert';
		$Passwort = 'ichbins';


  		$md5User = md5($Username);                                            //md5 Hash aus Username generieren
  		$md5Passwort = md5($Passwort);                                        //md5 Hash aus Userpasswort generieren
  		$md5EndString = md5($md5User.$md5Passwort);

  		$anfrage = $md5User.$md5Passwort."$".$Formel."$".$md5EndString;               //Anfrage zusammenfügen

		fwrite($fp,$anfrage);

		$laenge = fread($fp, 3);

		$FormelImage = fread($fp, $laenge);



        $url = $FormelImage;

		$alt_latex_formula = htmlentities($latex_formula, ENT_QUOTES);
		$alt_latex_formula = str_replace("\r","
",$alt_latex_formula);
		$alt_latex_formula = str_replace("\n","
",$alt_latex_formula);

        if ($url != false) {
        $text = substr_replace($text, "<img src='".$url."' title='".$alt_latex_formula."' alt='".$alt_latex_formula."' align='absmiddle' border='2'>",$pos,strlen($tex_matches[0][$i]));
        }
        else
        {
            $text = substr_replace($text, "[unparseable or potentially dangerous latex formula]",$pos,strlen($tex_matches[0][$i]));
        }
    }
}

?>

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<?php

if ($HTTP_GET_VARS['mode'] != "reply")
{

....
}