<?php
// ArrayIterator.php
// Created: 2022-02-03
// Updated: 2022-02-03

namespace Index\Collections;

use Iterator;

class ArrayIterator implements Iterator {
    private array $array;
    private bool $wasValid = true;

    public function __construct(array $array) {
        $this->array = $array;
    }

    public function current(): mixed {
        return current($this->array);
    }

    public function key(): mixed {
        return key($this->array);
    }

    public function next(): void {
        $this->wasValid = next($this->array) !== false;
    }

    public function rewind(): void {
        $this->wasValid = reset($this->array) !== false;
    }

    public function valid(): bool {
        return $this->wasValid;
    }
}