protected function _render($data, $indent = 0)
{
if (defined('JSON_PRETTY_PRINT')) {
return json_encode($data, JSON_PRETTY_PRINT);
}
if (count($data) == 0) {
return '[]';
}
$result = '';
foreach ($data as $key => $value) {
$result .= str_repeat(' ', $indent + 1);
$result .= json_encode((string) $key) . ': ';
$isComplex = is_object($value) || is_array($value);
$result .= $isComplex ? $this->_render($value, $indent + 1) : json_encode($value);
$result .= ',' . Data::LE;
}
if (!empty($result)) {
$result = substr($result, 0, -2);
}
$result = '{' . Data::LE . $result;
$result .= Data::LE . str_repeat(' ', $indent) . '}';
return $result;
}