vb.org Archive - text direction hack in the middle of posts?

in a forum i noticed some users write in a language which is the default language of the forum, and if they want to write in different language which has different direction they such as this http://www.nameclub.com/forum2/thread1235.html they write in arabic its RTL, if someone uses the English post it will be LTR

in phpbb there is a hack where if you write arabic the forum automatically makes that text RTL in the same post and if its english it keeps it LTR (default) sample at http://ubuntume.com/forums/ftopic229.php, phpbb hack as follow (originally from http://forum.oujdacity.net/support-i...rum-t2541.html the page in fresh you can find an english translation at this url)

Code:

##############################################################  

## MOD Title: arabic AutoDIR   

## Author : Alaa-eddine KADDOURI 

## Web site : http://www.oujdacity.net 

##############################################################  

#  

#-----[ OPEN ]------------------------------------------  

# 

viewtopic.php 

 

#  

#-----[ FIND ]------------------------------------------  

# 

$row_color = ( !($i % 2) ) ? $theme['td_color1'] : $theme['td_color2']; 

$row_class = ( !($i % 2) ) ? $theme['td_class1'] : $theme['td_class2']; 

 

#  

#-----[ ADD AFTER ]------------------------------------------  

# 

 

$coef = 2;  

$message = str_replace("<br />", "&nbsp;<br />", $message); 

$parts = explode("<br />", $message); 

$cc = count($parts); 

 

$message = "";   

 

for ($ii = 0; $ii < $cc; $ii++) 

{ 

        $text = strip_tags($parts[$ii]); 

        $cleanText = ereg_replace ("[a-zA-Z]", "", $text); 

 

        if (strlen($cleanText)*$coef < strlen($text)) 

              $align="direction:ltr;"; 

        else  

              $align="direction:rtl;"; 

        

        $message .= "<div style=\"$align\">".$parts[$ii]."</div>"; 

} 

#  

#-----[ SAVE/CLOSE ALL FILES ]------------------------------------------  

# 

##############################################################  

# 

# EoM

and

Code:

/////////////////////////////////////////////////// 

// Auteur : Alaa-eddine KADDOURI 

// 

// Extrait de oujdacity_functions.php 

// 

// 

function isLatin($str, $coef) 

{   

  $rg = ereg_replace ("[A-Za-z]", "", $str); 

  if (strlen($rg)*$coef < strlen($str)) return true; 

  return false; 

}

how do you think we can do the above on vbulletin ?

Thank you.

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