<?php

namespace alveolata\json;

// require_once(DIR_ALVEOLATA . '/definitions.php');


/**
 * @param mixed $value
 * @return string
 * @author Christian Fraß <frass@greenscale.de>
 */
function encode(
	$value,
	bool $formatted = false
) : string
{
	$string = json_encode($value, $formatted ? JSON_PRETTY_PRINT : 0);
	if (json_last_error() !== JSON_ERROR_NONE) {
		throw (new \Exception('json not encodable: ' . json_last_error_msg()));
	}
	else {
		return $string;
	}
}


/**
 * @param string $string
 * @return mixed
 * @throws \Exception if not decodable
 * @author Christian Fraß <frass@greenscale.de>
 */
function decode(
	string $string
)
{
	$value = json_decode($string, true);
	if (json_last_error() !== JSON_ERROR_NONE) {
		throw (new \Exception('json not decodable: ' . json_last_error_msg()));
	}
	else {
		return $value;
	}
}