Get excerpt outside the loop based on id

getExcerpt

Method 1:

function get_excerpt_outside_loop($post_id) {

    $post_excerpt = get_page($post_id) -> post_excerpt;

    echo $post_excerpt;

}


Method 2:

function webspec_get_the_excerpt($post_id) {

      global $post;  
      $save_post = $post;
      $post = get_post($post_id);
      setup_postdata( $post ); // hello
      $output = get_the_excerpt();
      $post = $save_post;
      return $output;

}