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<?php
declare(strict_types=1);
namespace Aweapi\Openapi;
use Countable;
final class Extensions implements Definition, Countable
{
private $values = [];
public function __construct(iterable $values = [])
foreach ($values as $key => $value) {
// The value can be null, a primitive, an array or an object.
// Can have any valid JSON format value. So must not be filtered.
$this->values[$key] = $value;
}
public function count(): int
return count($this->values);
public function extendValues(?array $properties): ?array
if ($this->count() === 0) {
return $properties;
if (empty($properties)) {
return $this->jsonSerialize();
return $properties + $this->jsonSerialize();
/**
* @return mixed
*/
public function getExtension(string $key)
return $this->values[$key];
public function hasExtension(string $key): bool
return array_key_exists($key, $this->values);
public function jsonSerialize(): array
return $this->values;
aweapi /
openapi-elements
