php_http_arrkey_stringify(&key, NULL);
match = php_http_negotiate_match(key.key->val, key.key->len, supported->val, supported->len, sep_str, sep_len);
if (match > best_match) {
best_match = match;
php_http_arrkey_stringify(&key, NULL);
match = php_http_negotiate_match(key.key->val, key.key->len, supported->val, supported->len, sep_str, sep_len);
if (match > best_match) {
best_match = match;