JSON to Wordpress Import

gistfile1.txt

$json = file_get_contents(get_bloginfo('template_directory') . '/posts.json');
$json = json_decode($json);
foreach($json as $post) {
  $my_post = array(
   'post_title'    =>  $post->title,
   'post_date'  => date("Y-m-d", strtotime($post->date)),
   'post_status'   => 'publish',
   'post_type' => 'press',
   'post_author'   => 1
  );
  $new_post_id = wp_insert_post($my_post);
  add_post_meta($new_post_id, 'source', $post->source, true);
  add_post_meta($new_post_id, 'url', $post->url, true);
}