API docs:
https://api.drupal.org/api/drupal/core!modules!serialization!src!Encoder!JsonEncoder.php/11.3.x
Location: /core/modules/serialization/src/Encoder/JsonEncoder.php
namespace Drupal\serialization\Encoder;
use Symfony\Component\Serializer\Encoder\JsonDecode;
use Symfony\Component\Serializer\Encoder\JsonEncode;
use Symfony\Component\Serializer\Encoder\JsonEncoder as BaseJsonEncoder;
/**
* Adds 'ajax' to the supported content types of the JSON encoder.
*
* @internal
* This encoder should not be used directly. Rather, use the `serializer`
* service.
*/
class JsonEncoder extends BaseJsonEncoder {
/**
* The formats that this Encoder supports.
*
* @var array
*/
protected static $format = ['json', 'ajax'];
/**
* {@inheritdoc}
*/
public function __construct(?JsonEncode $encodingImpl = NULL, ?JsonDecode $decodingImpl = NULL) {
// Encode <, >, ', &, and " for RFC4627-compliant JSON, which may also be
// embedded into HTML.
// @see \Symfony\Component\HttpFoundation\JsonResponse
// Additionally, substitute invalid UTF-8 sequences to ensure control
// characters and malformed data are properly handled.
// @see https://www.drupal.org/project/drupal/issues/3549107
$json_encoding_options = JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT | JSON_INVALID_UTF8_SUBSTITUTE;
$this->encodingImpl = $encodingImpl ?: new JsonEncode([JsonEncode::OPTIONS => $json_encoding_options]);
$this->decodingImpl = $decodingImpl ?: new JsonDecode([JsonDecode::ASSOCIATIVE => TRUE]);
}
/**
* {@inheritdoc}
*/
public function supportsEncoding(string $format, array $context = []): bool {
return in_array($format, static::$format);
}
/**
* {@inheritdoc}
*/
public function supportsDecoding(string $format, array $context = []): bool {
return in_array($format, static::$format);
}
}