zicht / itertools

     * @return \Closure

     * @throws \InvalidArgumentException

     */

    public function reducing($name)

    {

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

        // to the reducing($name, ...$args) structure.

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

        if (is_string($name) && in_array($name, [

                'add',

                'chain',

                'join',

                'max',

                'min',

                'mul',

                'sub',

            ])) {

     * @return \Closure

     * @throws \InvalidArgumentException

     */

    public function filtering($name)

    {

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

        // to the reducing($name, ...$args) structure.

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

        if (is_string($name) && in_array($name, [

                'equals',

                'in',

                'match',

                'not',

                'not_in',

                'type',

            ])) {

            return call_user_func_array(sprintf('\Zicht\Itertools\filters\%s', $name), array_slice(func_get_args(), 1));