get_the_post_thumbnail_caption() │ WP 4.6.0

Gets the post thumbnail caption (description).

Use the_post_thumbnail_caption() to display the result.

The caption is specified when editing the image in the admin panel:

Uses: wp_get_attachment_caption()
Used By: the_post_thumbnail_caption()
1 time — 0.001914 sec (very slow) | 50000 times — 0.85 sec (very fast) | PHP 7.0.8, WP 4.6

No Hooks.

Return

String. Post thumbnail caption.

Usage

get_the_post_thumbnail_caption( $post );
$post(int|WP_Post)
Post ID or WP_Post object.
Default: global $post

Examples

0

#1 Get a post thumbnail caption

The function will print an empty string if the thumbnail has no caption. Not confuse thumbnail title and thumbnail caption.

echo get_the_post_thumbnail_caption( 6462 );

Changelog

Since 4.6.0 Introduced.

get_the_post_thumbnail_caption() code WP 6.5.2

wp-includes/post-thumbnail-template.php 
function get_the_post_thumbnail_caption( $post = null ) {
	$post_thumbnail_id = get_post_thumbnail_id( $post );

	if ( ! $post_thumbnail_id ) {
		return '';
	}

	$caption = wp_get_attachment_caption( $post_thumbnail_id );

	if ( ! $caption ) {
		$caption = '';
	}

	return $caption;
}

post_thumbnail image

Thumbnail (images)

Thumbnails