$it = preg_replace("`\[img](.*?)\[/img\]`si","<img src=$1 />", $it); $it = preg_replace("`\[b](.*?)\[/b\]`si","<b>$1</b>", $it); $it = preg_replace("`\[i](.*?)\[/i\]`si","<i>$1</i>", $it);
