Verite Timeline JSON controller for JSON API WordPress Plugin

timeline.php

<?php

/*

	JSON Controller for JSON API WordPress Plugin to return posts in Timeline format for Verite Timeline WordPress Plugin

	Author: Miguel Peixe
	Reference: http://wordpress.org/support/topic/plugin-verite-timeline-getting-wordpress-posts-into-timeline


	Usage:
	http://example.com/api/timeline/category_posts/?category_id=123&post_type=timeline&amount=10&main_post_id=456

	Default values:
	category_id = null
	post_type = 'post'
	amount = -1 (all posts)
	main_post_id = first post from query, ordered by date in ascending order (the main post should be an introduction to the timeline being viewed)

	Content values can be changed to support custom post meta for enhanced usage.

	Shortcode: [timeline src="http://example.com/api/timeline/category_posts/?category_id=123"]

*/

class JSON_API_Timeline_Controller {

	public function category_posts() {
		global $json_api;
		$json = array();

		// get attributes
		$category_id = $json_api->query->category_id;
		$post_type = $json_api->query->post_type;
		$amount = $json_api->query->amount;
		$main_post_id = $json_api->query->main_post_id;

		if(!$post_type) $post_type = 'post';
		if(!$amount) $amount = -1;

		$posts = get_posts(array('post_type' => $post_type, 'numberposts' => $amount, 'category' => $category_id, 'orderby' => 'post_date', 'order' => 'DESC'));

		if($main_post_id) $main_post = get_post($main_post_id);
		else  {
			$main_post = $posts[0];
			unset($posts[0]);
		}

		if($main_post) {

			// setting first (main) post

			$json['timeline'] = array();

			$json['timeline']['headline'] = $main_post->post_title;
			$json['timeline']['type'] = 'default';
			$json['timeline']['startDate'] = date('Y,m,d', strtotime($main_post->post_date));
			$json['timeline']['text'] = $main_post->post_excerpt;

			// example of media asset using the post thumbnail
			if(has_post_thumbnail($main_post->ID)) {

				$thumbnail_id = get_post_thumbnail_id($main_post->ID);
				$thumbnail_src = wp_get_attachment_image_src($thumbnail_id, 'medium');
				$json['timeline']['asset']['media'] = $thumbnail_src[0];
				
			}

			if($posts) {
				$json['timeline']['date'] = array();
				$i = 0;
				foreach($posts as $post) {

					$json['timeline']['date'][$i]['startDate'] = date('Y,m,d', strtotime($post->post_date));
					$json['timeline']['date'][$i]['endDate'] = date('Y,m,d', strtotime($post->post_date));
					$json['timeline']['date'][$i]['headline'] = $post->post_title;
					$json['timeline']['date'][$i]['text'] = $post->post_excerpt;

					// example of media asset using the post thumbnail
					if(has_post_thumbnail($post->ID)) {

						$thumbnail_id = get_post_thumbnail_id($post->ID);
						$thumbnail_src = wp_get_attachment_image_src($thumbnail_id, 'medium');

						$json['timeline']['date'][$i]['asset']['media'] = $thumbnail_src[0];

					}

					$i++;

				}

				return $json;

			} else return 'Posts not found';

		} else return 'Main post not found';

	}

}

?>

Can i fetch it this way.

$json['timeline']['content'] = $main_post->post_content;