Source

File: wp-includes/class-wp-query.php

public function init() {
		unset( $this->posts );
		unset( $this->query );
		$this->query_vars = array();
		unset( $this->queried_object );
		unset( $this->queried_object_id );
		$this->post_count   = 0;
		$this->current_post = -1;
		$this->in_the_loop  = false;
		unset( $this->request );
		unset( $this->post );
		unset( $this->comments );
		unset( $this->comment );
		$this->comment_count         = 0;
		$this->current_comment       = -1;
		$this->found_posts           = 0;
		$this->max_num_pages         = 0;
		$this->max_num_comment_pages = 0;

		$this->init_query_flags();
	}