Someone

function smile_format ($str) {     $str = htmlentities($str);     $simple_search = array(                 '/(?:^|\s)(:\))(?:\s|$)/is',                                                '/(?:^|\s)(:\()(?:\s|$)/is',                  );     $simple_replace = array( 		'<strong>$1</strong>',		'<em>$1</em>',                );     $str = preg_replace ($simple_search, $simple_replace, $str);     $str = bbcode_quote ($str);     return $str; }