src

function getCode(array $arr, $depth = 0) {
    $depth++;
    $result = '[';
    foreach($arr as $key => $val) {
        if (is_array($val)) {
            $result .= sprintf('%s => %s', getPropertyCode($key), getCode($val, $depth));
        } else {
            $result .= sprintf('%s => %s,', getPropertyCode($key), getPropertyCode($val));
        }
    }
    return sprintf('%s]%s', $result, $depth !== 1 ? ',' : '');
}

function getPropertyCode($property) {
    if (is_string($property)) {
        return sprintf('"%s"', $property);
    } elseif (is_bool($property)) {
        return sprintf('%s', $property ? 'TRUE' : 'FALSE');
    } elseif (is_numeric($property)) {
        return $property;
    } elseif (is_null($property)) {
        return 'NULL';
    } else {
        throw Exception(sprintf('Undefined property type: %s', $property));
    }
}