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<?php
namespace Elastica;
use Elastica\Exception\JSONParseException;
/**
* Elastica JSON tools.
*/
class JSON
{
/**
* Parse JSON string to an array.
*
* @link http://php.net/manual/en/function.json-decode.php
* @link http://php.net/manual/en/function.json-last-error.php
*
* @param string $json JSON string to parse
*
* @return array PHP array representation of JSON string
*/
public static function parse(/* inherit from json_decode */)
{
// extract arguments
$args = func_get_args();
// default to decoding into an assoc array
if (sizeof($args) === 1) {
$args[] = true;
}
// run decode
$array = call_user_func_array('json_decode', $args);
// turn errors into exceptions for easier catching
$error = json_last_error();
if ($error !== JSON_ERROR_NONE) {
throw new JSONParseException($error);
}
// output
return $array;
}
/**
* Convert input to JSON string with standard options.
*
* @link http://php.net/manual/en/function.json-encode.php
*
* @param mixed check args for PHP function json_encode
*
* @return string Valid JSON representation of $input
*/
public static function stringify(/* inherit from json_encode */)
{
// extract arguments
$args = func_get_args();
// allow special options value for Elasticsearch compatibility
if (sizeof($args) > 1 && $args[1] === 'JSON_ELASTICSEARCH') {
// Use built in JSON constants if available (php >= 5.4)
$args[1] = defined('JSON_UNESCAPED_UNICODE') ? JSON_UNESCAPED_UNICODE : 256;
}
// run encode and output
return call_user_func_array('json_encode', $args);
}
}
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