zicht / itertools

 *

 * @return ChainIterator

 */

function chain()

{

    // note, once we stop supporting php 5.5, we can rewrite the code below

    // to the chain(...$iterables) structure.

    // http://php.net/manual/en/functions.arguments.php#functions.variable-arg-list

    $iterables = array_map(

        function ($iterable) {

            return conversions\mixed_to_iterator($iterable);

        },

        func_get_args()

    );

    $reflectorClass = new \ReflectionClass('\Zicht\Itertools\lib\ChainIterator');

    return $reflectorClass->newInstanceArgs($iterables);

 * @param array|string|\Iterator $iterable Additional $iterable parameters may follow

 * @return ZipIterator

 */

function zip($iterableA)

{

    // note, once we stop supporting php 5.5, we can rewrite the code below

    // to the zip(...$iterables) structure.

    // http://php.net/manual/en/functions.arguments.php#functions.variable-arg-list

    $iterables = array_map(

        function ($iterable) {

            return conversions\mixed_to_iterator($iterable);

        },

        func_get_args()

    );

    $reflectorClass = new \ReflectionClass('\Zicht\Itertools\lib\ZipIterator');

    return $reflectorClass->newInstanceArgs($iterables);