Get post excerpt by post id in WordPress

/**
 * Get post excerpt by post ID.
 *
 * @return string
 */
function get_post_excerpt_by_id( $post_id ) {
	global $post;
	$post = get_post( $post_id );
	setup_postdata( $post );
	$the_excerpt = get_the_excerpt();
	wp_reset_postdata();
	return $the_excerpt;
}

1 thought on “Get post excerpt by post id in WordPress”

1. 

   Tom

   December 9, 2016 at 12:16 pm

   As of WordPress v4.5, the excerpt can simply be obtained by calling get_the_excerpt( $post_id );. However there is reported bug, see https://core.trac.wordpress.org/ticket/36934.

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