private static function checkJsonError()
{
switch ($err = json_last_error()) {
case JSON_ERROR_NONE:
return;
break;
case JSON_ERROR_DEPTH:
$msg = 'Maximum stack depth exceeded';
break;
case JSON_ERROR_STATE_MISMATCH:
$msg = 'Underflow or the modes mismatch';
break;
case JSON_ERROR_CTRL_CHAR:
$msg = 'Unexpected control character found';
break;
case JSON_ERROR_SYNTAX:
$msg = 'Syntax error, malformed JSON';
break;
case JSON_ERROR_UTF8:
$msg = 'Malformed UTF-8 characters, possibly incorrectly encoded';
break;
default:
$msg = 'Unknown error';
break;
}
throw new \Exception("JSON error ({$err}): {$msg}");
}