/**
* Makes all the line items which are children of $line_item taxable (or not).
* Does NOT save the line items
* @param EE_Line_Item $line_item
* @param string $code_substring_for_whitelist if this string is part of the line item's code
* it will be whitelisted (ie, except from becoming taxable)
* @param boolean $taxable
*/
public static function set_line_items_taxable(EE_Line_Item $line_item, $taxable = true, $code_substring_for_whitelist = null)
{
if ($code_substring_for_whitelist !== null) {
$whitelisted = strpos($line_item->code(), $code_substring_for_whitelist) !== false ? true : false;
} else {
$whitelisted = false;
}
if ($line_item->is_line_item() && !$whitelisted) {
$line_item->set_is_taxable($taxable);
}
foreach ($line_item->children() as $child_line_item) {
EEH_Line_Item::set_line_items_taxable($child_line_item, $taxable, $code_substring_for_whitelist);
}
}
