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Editing: JSON.php

<?php

namespace Rubix\ML\Helpers;

use Rubix\ML\Exceptions\JSONException;

use function json_encode;
use function json_decode;
use function json_last_error;

use const JSON_ERROR_NONE;

/**
 * JSON
 *
 * A helper class providing functions relating to JSON (Javascript Object Notation).
 *
 * @category    Machine Learning
 * @package     Rubix/ML
 * @author      Chris Simpson
 */
class JSON
{
    /**
     * The default maximum stack depth.
     *
     * @var int
     */
    protected const DEFAULT_DEPTH = 512;

/**
     * @var int
     */
    protected const DEFAULT_OPTIONS = 0;

/**
     * Serialize to JSON.
     *
     * @param mixed $value
     * @param int $options
     * @param positive-int $depth
     * @throws JSONException
     * @return string
     */
    public static function encode($value, int $options = self::DEFAULT_OPTIONS, int $depth = self::DEFAULT_DEPTH) : string
    {
        $data = json_encode($value, $options, $depth);

if ($data === false) {
            throw new JSONException(json_last_error());
        }

return $data;
    }

/**
     * Deserialize from JSON.
     *
     * @param string $data
     * @param int $options
     * @param positive-int $depth
     * @throws JSONException
     * @return mixed[]
     */
    public static function decode(string $data, int $options = self::DEFAULT_OPTIONS, int $depth = self::DEFAULT_DEPTH) : array
    {
        $value = json_decode($data, true, $depth, $options);

$code = json_last_error();

if ($code !== JSON_ERROR_NONE) {
            throw new JSONException($code);
        }

return $value;
    }
}

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