BBCode for author description

i found an way..
but need to make this as a plugin.. anybody can help me to create a plugin for this?

open: wp-includes/author-template.php
Replace

function the_author_description() {
	echo get_the_author_description();
}

with

function the_author_description() {
	echo bbcode(get_the_author_description());
}

save send back to server

open: ur themefolder/author.php

replace: <?php echo $curauth->user_description; ?>
with: <?php echo bbcode($curauth->user_description); ?>

open: wp-includes/functions.php
add in the last line before the ?>

function bbcode($sText)
{
   $sTagArray['B)'] = array('tag'=>'XX');
   $sTagArray['o}o'] = array('tag'=>'XX');
   $sTagArray['br'] = array('tag'=>'<br />');
   $sTagArray['hr'] = array('tag'=>'<hr>');

   $atagArray['img'] = array('open'=>'<img src="','close'=>'">');
   $atagArray['IMG'] = array('open'=>'<img src="','close'=>'">');
   $atagArray['b'] = array('open'=>'<b>', 'close'=>'</b>');
   $atagArray['B'] = array('open'=>'<b>', 'close'=>'</b>');
   $atagArray['i'] = array('open'=>'<i>', 'close'=>'</i>');
   $atagArray['u'] = array('open'=>'<u>', 'close'=>'</u>');
   $atagArray['url'] = array('open'=>'<a href="', 'close'=>'" target="_blank">\\1</a>');
   $atagArray['URL'] = array('open'=>'<a href="', 'close'=>'" target="_blank">\\1</a>');
   $atagArray['email'] = array('open'=>'<a href="mailto:', 'close'=>'">\\1</a>');
   $atagArray['url=(.*)'] = array('open'=>'<a href="', 'close'=>'" target="_blank">\\2</a>');
   $atagArray['URL=(.*)'] = array('open'=>'<a href="', 'close'=>'" target="_blank">\\2</a>');
   $atagArray['email=(.*)'] = array('open'=>'<a href="mailto:', 'close'=>'">\\2</a>');
   $atagArray['color=(.*)'] = array('open'=>'<font color="', 'close'=>'">\\2</font>');
   $atagArray['size=(.*)'] = array('open'=>'<font size="', 'close'=>'">\\2</font>');
   $atagArray['font=(.*)'] = array('open'=>'<font face="', 'close'=>'">\\2</font>');

   foreach ($atagArray as $stagName => $replace)
   {
       $tagEnd = preg_replace("/\W/sUi", "", $stagName);

       $sText = preg_replace(
           "|\[$stagName\](.*)\[/$tagEnd\]|sUi",
           "$replace[open]\\1$replace[close]",
           $sText
       );
   }

   foreach ($sTagArray as $stagName => $replace)
   {
       if (eregi("[)(#$]", $stagName))
       {
           $stagNameNew = preg_replace("#([\)\(\$\#])#", "\\ \\1", $stagName);
           $stagNameNew = preg_replace("#( +)#", "", $stagNameNew);
           $sTagArray[ $stagNameNew ] = array('tag' => $replace['tag']);
           unset($sTagArray[ $stagName ]);
       }
   }

   foreach ($sTagArray as $stagName => $replace)
   {
       $sText= preg_replace("|\[$stagName\]|sUi", "$replace[tag]", $sText);
   }

   return $sText;
}

done ??

now, need to improve this as a plugin..

Hi!

I want to know how to insert this function in the function file of a wordpress theme so that we can use it…

Thanks!