<?php
function BBCodeFormat ( $str , $removeTags = FALSE ){
$str = $removeTags ? strip_tags ( $str ) : htmlentities ( $str );
$str = nl2br ( $str );
$pattern = array(
'/\[b\](.*?)\[\/b\]/is' ,
'/\[i\](.*?)\[\/i\]/is' ,
'/\[u\](.*?)\[\/u\]/is' ,
'/\[url\=(.*?)\](.*?)\[\/url\]/is' ,
'/\[url\](.*?)\[\/url\]/is' ,
'/\[align\=(left|center|right)\](.*?)\[\/align\]/is' ,
'/\[img\](.*?)\[\/img\]/is' ,
'/\[mail\=(.*?)\](.*?)\[\/mail\]/is' ,
'/\[mail\](.*?)\[\/mail\]/is' ,
'/\[font\=(.*?)\](.*?)\[\/font\]/is' ,
'/\[size\=(.*?)\](.*?)\[\/size\]/is' ,
'/\[color\=(.*?)\](.*?)\[\/color\]/is' ,
$replace = array(
'<strong>$1</strong>' ,
'<em>$1</em>' ,
'<u>$1</u>' ,
'<a href="$1">$2</a>' ,
'<a href="$1">$1</a>' ,
'<div style="text-align: $1;">$2</div>' ,
'<img src="$1" />' ,
'<a href="mailto:$1">$2</a>' ,
'<a href="mailto:$1">$1</a>' ,
'<span style="font-family: $1;">$2</span>' ,
'<span style="font-size: $1;">$2</span>' ,
'<span style="color: $1;">$2</span>' ,
// Replace Tags
$str = preg_replace ( $pattern , $replace , $str );
// Replace Quotes
$open = '<blockquote>' ;
$close = '</blockquote>' ;
preg_match_all ( '/\[quote\]/i' , $str , $matches );
$opentags = count ( $matches [ '0' ]);
preg_match_all ( '/\[\/quote\]/i' , $str , $matches );
$closetags = count ( $matches [ '0' ]);
$unclosed = $opentags - $closetags ;
$i = 0 ; $i < $unclosed ; $i ++) $str .= '</blockquote>' ;
$str = str_replace ( '[quote]' , $open , $str );
$str = str_replace ( '[/' . 'quote]' , $close , $str );
$str ;
?>
<?php
= "My [color=red]name[/color] is [u][b]Gerhard[/b] [i]Gerome[/i][/u]" ;
BBCodeFormat ( $str );
?>
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