<?php



function bbcode($text){



$bbcode = array(



'/\[i\](.+)\[\/i\]/isU' => '<em>$1</em>',



'/\[b\](.+)\[\/b\]/isU' => '<strong>$1</strong>',







'/\[sub\](.+)\[\/sub\]/isU' => '<sub>$1</sub>',



'/\[sup\](.+)\[\/sup\]/isU' => '<sup>$1</sup>',



'/\[del\](.+)\[\/del\]/isU' => '<del>$1</del>',



'/\[u\](.+)\[\/u\]/isU' => '<span style="text-decoration:underline;">$1</span>',



'/\[big\](.+)\[\/big\]/isU' => '<span style="font-size:large;">$1</span>',



'/\[small\](.+)\[\/small\]/isU' => '<span style="font-size:small;">$1</span>',



'/\[code\](.+)\[\/code\]/isU' => '<code>$1</code>',



'/\[red\](.+)\[\/red\]/isU' => '<span style="color:#ff0000;">$1</span>',



'/\[yellow\](.+)\[\/yellow\]/isU' => '<span style="color:#ffff22;">$1</span>',



'/\[green\](.+)\[\/green\]/isU' => '<span style="color:#00bb00;">$1</span>',



'/\[blue\](.+)\[\/blue\]/isU' => '<span style="color:#0000bb;">$1</span>',



'/\[white\](.+)\[\/white\]/isU' => '<span style="color:#ffffff;">$1</span>',



'/\[size=([0-9]+)\](.+)\[\/size\]/isU' => '<span style="font-size:$1px;">$2</span>',



'#\[color=(\#[0-9A-F]{3,6}|[a-z\-]+)\](.*)\[/color\]#isU' => '<span style="color: \\1">\\2</span>',



'#\[align=(left|right|center)\](.*)\[/align\]#isU' => '<p style="text-align: \\1">\\2</p>');



return preg_replace(array_keys($bbcode), array_values($bbcode), $text);



}







?>