Selecting a header when when main_page=product_info

[borillion_star]

Im trying to select change the header of the store when the browser in a product's info page, but it does not seem to be working the way I have it coded... I think there is something wrong with the line if (in_array($current_page_base,explode(",'product_info')) )

Thanks for helping


//selects products header, when products_info is called.
if (in_array($current_page_base,explode(",'product_info')) ) {
require($template->get_template_dir('tpl_product_header.php',DIR_WS_TEMPLATE, $current_page_base,'common'). '/tpl_product_header.php');}
else
require($template->get_template_dir('tpl_header.php',DIR_WS_TEMPLATE, $current_page_base,'common'). '/tpl_header.php');