has_post_thumbnail( int|WP_Post $post = null )

Check if post has an image attached.

Parameters

$post

(int|WP_Post) (Optional) Post ID or WP_Post object. Default is global $post.

Default value: null

Return

(bool) Whether the post has an image attached.

Source

File: wp-includes/post-thumbnail-template.php 

function has_post_thumbnail( $post = null ) {
	return (bool) get_post_thumbnail_id( $post );
}

Expand Source Code View on GitHub

Related

Uses

Uses
Uses Description
wp-includes/post-thumbnail-template.php: get_post_thumbnail_id()

Retrieve post thumbnail ID.

Used By

Used By
Used By Description
wp-includes/embed.php: get_oembed_response_data_rich()

Filters the oEmbed response data to return an iframe embed code.
wp-includes/post-template.php: prepend_attachment()

Wrap attachment in paragraph tag before content.
wp-includes/post-template.php: get_post_class()

Retrieves the classes for the post div as an array.

Changelog

Changelog
Version Description
WP-4.4.0 $post can be a post ID or WP_Post object.
WP-2.9.0 Introduced.