<?

$template = "This is some plain text [#htmlBlock=345:leftNav] and some more text";

$htmlBlock = array("/\[#htmlBlock=(.*?):(.*?)\]/is" => $query->htmlBlock($websiteID, '$1'));

$template = preg_replace(array_keys($htmlBlock), array_values($htmlBlock), $template);

echo $template;


// $query->htmlBlock($websiteID, '$1') should be $query->htmlBlock($websiteID, 345);

?>