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JsonType.php
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JsonType.php
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<?php
declare(strict_types=1);
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 3.3.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Database\Type;
use Cake\Database\Driver;
use InvalidArgumentException;
use PDO;
/**
* JSON type converter.
*
* Use to convert JSON data between PHP and the database types.
*/
class JsonType extends BaseType implements BatchCastingInterface
{
/**
* @var int
*/
protected int $_encodingOptions = 0;
/**
* Convert a value data into a JSON string
*
* @param mixed $value The value to convert.
* @param \Cake\Database\Driver $driver The driver instance to convert with.
* @return string|null
* @throws \InvalidArgumentException
* @throws \JsonException
*/
public function toDatabase(mixed $value, Driver $driver): ?string
{
if (is_resource($value)) {
throw new InvalidArgumentException('Cannot convert a resource value to JSON');
}
if ($value === null) {
return null;
}
return json_encode($value, JSON_THROW_ON_ERROR | $this->_encodingOptions);
}
/**
* {@inheritDoc}
*
* @param mixed $value The value to convert.
* @param \Cake\Database\Driver $driver The driver instance to convert with.
* @return mixed
*/
public function toPHP(mixed $value, Driver $driver): mixed
{
if (!is_string($value)) {
return null;
}
return json_decode($value, true);
}
/**
* @inheritDoc
*/
public function manyToPHP(array $values, array $fields, Driver $driver): array
{
foreach ($fields as $field) {
if (!isset($values[$field])) {
continue;
}
$values[$field] = json_decode($values[$field], true);
}
return $values;
}
/**
* @inheritDoc
*/
public function toStatement(mixed $value, Driver $driver): int
{
return PDO::PARAM_STR;
}
/**
* Marshals request data into a JSON compatible structure.
*
* @param mixed $value The value to convert.
* @return mixed Converted value.
*/
public function marshal(mixed $value): mixed
{
return $value;
}
/**
* Set json_encode options.
*
* @param int $options Encoding flags. Use JSON_* flags. Set `0` to reset.
* @return $this
* @see https://www.php.net/manual/en/function.json-encode.php
*/
public function setEncodingOptions(int $options)
{
$this->_encodingOptions = $options;
return $this;
}
}