if ((flags & ARRAY_JOIN_PRETTIFY) && hash_key->nKeyLength) {
key = php_http_pretty_key(estrndup(hash_key->arKey, hash_key->nKeyLength - 1), hash_key->nKeyLength - 1, 1, 1);
if ((flags & ARRAY_JOIN_PRETTIFY) && hash_key->nKeyLength) {
key = php_http_pretty_key(estrndup(hash_key->arKey, hash_key->nKeyLength - 1), hash_key->nKeyLength - 1, 1, 1);