voku / Arrayy

     * @return static

     *                <p>(Mutable) Return this Arrayy object.</p>

     */

    public function uasort($function): self

    {

        if (!\is_callable($function)) {

            throw new \InvalidArgumentException('Passed function must be callable');

        }

        $this->generatorToArray();

        \uasort($this->array, $function);

        return $this;

    }

    /**

     * Sort the entries by keys using a user-defined comparison function.

     *

     * @param callable $function

     * @return static

     *                <p>(Mutable) Return this Arrayy object.</p>

     */

    public function customSortKeys($function): self

    {

        if (\is_callable($function) === false) {

            throw new \InvalidArgumentException('Passed function must be callable');

        }

        $this->generatorToArray();

        \uksort($this->array, $function);

        return $this;

    }

    /**

     * Custom sort by value via "usort".

     *

     * @see http://php.net/manual/en/function.usort.php

     * @return static

     *                <p>(Mutable) Return this Arrayy object.</p>

     */

    public function customSortValues($function): self

    {

        if (\is_callable($function) === false) {

            throw new \InvalidArgumentException('Passed function must be callable');

        }

        $this->generatorToArray();

        \usort($this->array, $function);

        return $this;

    }

    /**

     * Delete the given key or keys.

     *

     * @param int|int[]|string|string[] $keyOrKeys