[WordPress] Extended WP_Query implements Iterator

HOWTOUSE.md

<?php
$args = ['post_type' => 'post'];
foreach((new Iterative_WP_Query($args)) as $post_id => $post) {
	echo get_the_title($post_id);
}

iterative-wp-query.php

<?php
/*
Plugin Name: Iterative WP_Query
Author: Takuro Hishikawa
Version: 0.1
Author URI: http://notnil-creative.com
*/

class Iterative_WP_Query extends WP_Query implements Iterator
{
    public function current()
    {
        return $this->post = $this->posts[$this->current_post];
    }

    public function next()
    {
        $this->current_post++;
    }

    public function key()
    {
        return $this->posts[$this->current_post]->ID;
    }

    public function valid()
    {
        return isset($this->posts[$this->current_post]);
    }

    public function rewind()
    {
        $this->current_post = 0;
    }
}