More Marshalers about marshal HOT 2 CLOSED

function doctrineReference($em, $on) {
    return function($data) use ($em, $on) {
        return Util\reduce($data, function($acc, $v, $k) use ($em, $on) {
            if (array_key_exists($k, $on) && !$v instanceof $on[$k]) {
                $v = $em->getReference($on[$k], $v);
            }
            $acc[$k] = $v;
            return $acc;
        }, []);
    };
}

function only($fields) {
    return filter(function($v, $k) use ($fields) {
        return in_array($k, $fields);
    });
}

function filter($filter) {
    return function($data) use ($filter) {
        return Util\reduce($data, function($acc, $v, $k) use ($filter) {
            if ($filter($v, $k)) {
                $acc[$k] = $v;
            }
            return $acc;
        }, []);
    };
}

function except($fields) {
    return filter(function($v, $k) use ($fields) {
        return !in_array($k, $fields);
    });
}

function valueMap($map) {
    return function($data) use ($map) {
        return Util\reduce($data, function($acc, $v, $k) use ($map) {
            $acc[$k] = $map($v, $k);
            return $acc;
        }, []);
    };
}

function dates($format = 'r') {
    return function($data) use ($map) {
        return Util\reduce($data, function($acc, $v, $k) use ($map) {
            $acc[$k] = $map($v, $k);
            return $acc;
        }, []);
    };
}

function objectVars() {
    return 'get_object_vars';
}