has_post_thumbnail( int|WP_Post $post = null )

Determines whether a post has an image attached.

Description

For more information on this and similar theme functions, check out the Conditional Tags article in the Theme Developer Handbook.

$post

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

Default value: null

(bool) Whether the post has an image attached.

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

Uses
Uses	Description
wp-includes/post-thumbnail-template.php: has_post_thumbnail	Filters whether a post has a post thumbnail.
wp-includes/post-thumbnail-template.php: get_post_thumbnail_id()	Retrieves the post thumbnail ID.
wp-includes/plugin.php: apply_filters()	Calls the callback functions that have been added to a filter hook.

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()	Wraps attachment in paragraph tag before content.
wp-includes/post-template.php: get_post_class()	Retrieves an array of the class names for the post container element.
wp-admin/includes/class-wp-media-list-table.php: WP_Media_List_Table::column_title()	Handles the title column output.

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