have_posts()　WP_Queryクラスのメソッド　WordPress関数

<?php	
        public function have_posts() {
	                if ( $this->current_post + 1 < $this->post_count ) {
	                        return true;
	                } elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) {
	                        /**
	                         * Fires once the loop has ended.
	                         *
	                         * @since 2.0.0
	                         *
	                         * @param WP_Query $this The WP_Query instance (passed by reference).
	                         */
	                        do_action_ref_array( 'loop_end', array( &$this ) );
	                        // Do some cleaning up after the loop
	                        $this->rewind_posts();
	                } elseif ( 0 === $this->post_count ) {
	                        /**
	                         * Fires if no results are found in a post query.
	                         *
	                         * @since 4.9.0
	                         *
	                         * @param WP_Query $this The WP_Query instance.
	                         */
	                        do_action( 'loop_no_results', $this );
	                }
	
	                $this->in_the_loop = false;
	                return false;
	        }
?>