FM / wp-includes

/home/alixis5/sellotalent.com/V01/wp-includes/

/home/alixis5/sellotalent.com/V01/wp-includes

Name	Size	Mode	Actions
assets/	-	0755	rm
block-bindings/	-	0755	rm
block-patterns/	-	0755	rm
block-supports/	-	0755	rm
blocks/	-	0755	rm
certificates/	-	0755	rm
css/	-	0755	rm
customize/	-	0755	rm
fonts/	-	0755	rm
html-api/	-	0755	rm
ID3/	-	0755	rm
images/	-	0755	rm
interactivity-api/	-	0755	rm
IXR/	-	0755	rm
js/	-	0755	rm
l10n/	-	0755	rm
php-compat/	-	0755	rm
PHPMailer/	-	0755	rm
pomo/	-	0755	rm
Requests/	-	0755	rm
rest-api/	-	0755	rm
SimplePie/	-	0755	rm
sitemaps/	-	0755	rm
sodium_compat/	-	0755	rm
style-engine/	-	0755	rm
Text/	-	0755	rm
theme-compat/	-	0755	rm
widgets/	-	0755	rm
admin-bar.php	37106	0644	edit dl rm
atomlib.php	12078	0644	edit dl rm
author-template.php	18951	0644	edit dl rm
block-bindings.php	5594	0644	edit dl rm
block-editor.php	28797	0644	edit dl rm
block-i18n.json	316	0644	edit dl rm
block-patterns.php	13213	0644	edit dl rm
block-template-utils.php	61907	0644	edit dl rm
block-template.php	15356	0644	edit dl rm
blocks.php	113051	0644	edit dl rm
bookmark-template.php	12768	0644	edit dl rm
bookmark.php	15427	0644	edit dl rm
cache-compat.php	5969	0644	edit dl rm
cache.php	13474	0644	edit dl rm
canonical.php	34523	0644	edit dl rm
capabilities.php	42718	0644	edit dl rm
category-template.php	57003	0644	edit dl rm
category.php	12829	0644	edit dl rm
class-avif-info.php	29615	0644	edit dl rm
class-feed.php	539	0644	edit dl rm
class-http.php	367	0644	edit dl rm
class-IXR.php	2616	0644	edit dl rm
class-json.php	43684	0644	edit dl rm
class-oembed.php	401	0644	edit dl rm
class-phpass.php	6771	0644	edit dl rm
class-phpmailer.php	664	0644	edit dl rm
class-pop3.php	21121	0644	edit dl rm
class-requests.php	2237	0644	edit dl rm
class-simplepie.php	453	0644	edit dl rm
class-smtp.php	457	0644	edit dl rm
class-snoopy.php	37715	0644	edit dl rm
class-walker-category-dropdown.php	2469	0644	edit dl rm
class-walker-category.php	8477	0644	edit dl rm
class-walker-comment.php	14221	0644	edit dl rm
class-walker-nav-menu.php	12044	0644	edit dl rm
class-walker-page-dropdown.php	2710	0644	edit dl rm
class-walker-page.php	7612	0644	edit dl rm
class-wp-admin-bar.php	17874	0644	edit dl rm
class-wp-ajax-response.php	5266	0644	edit dl rm
class-wp-application-passwords.php	17099	0644	edit dl rm
class-wp-block-bindings-registry.php	8463	0644	edit dl rm
class-wp-block-bindings-source.php	2992	0644	edit dl rm
class-wp-block-editor-context.php	1350	0644	edit dl rm
class-wp-block-list.php	4757	0644	edit dl rm
class-wp-block-metadata-registry.php	11895	0644	edit dl rm
class-wp-block-parser-block.php	2555	0644	edit dl rm
class-wp-block-parser-frame.php	2017	0644	edit dl rm
class-wp-block-parser.php	11532	0644	edit dl rm
class-wp-block-pattern-categories-registry.php	5371	0644	edit dl rm
class-wp-block-patterns-registry.php	10783	0644	edit dl rm
class-wp-block-styles-registry.php	6403	0644	edit dl rm
class-wp-block-supports.php	5626	0644	edit dl rm
class-wp-block-template.php	2033	0644	edit dl rm
class-wp-block-templates-registry.php	7231	0644	edit dl rm
class-wp-block-type-registry.php	5013	0644	edit dl rm
class-wp-block-type.php	17265	0644	edit dl rm
class-wp-block.php	23041	0644	edit dl rm
class-wp-classic-to-block-menu-converter.php	4088	0644	edit dl rm
class-wp-comment-query.php	48395	0644	edit dl rm
class-wp-comment.php	9437	0644	edit dl rm
class-wp-customize-control.php	25851	0644	edit dl rm
class-wp-customize-manager.php	202593	0644	edit dl rm
class-wp-customize-nav-menus.php	57660	0644	edit dl rm
class-wp-customize-panel.php	10710	0644	edit dl rm
class-wp-customize-section.php	11209	0644	edit dl rm
class-wp-customize-setting.php	29962	0644	edit dl rm
class-wp-customize-widgets.php	72210	0644	edit dl rm
class-wp-date-query.php	35732	0644	edit dl rm
class-wp-dependencies.php	15139	0644	edit dl rm
class-wp-dependency.php	2627	0644	edit dl rm
class-wp-duotone.php	40783	0644	edit dl rm
class-wp-editor.php	72335	0644	edit dl rm
class-wp-embed.php	15931	0644	edit dl rm
class-wp-error.php	7502	0644	edit dl rm
class-wp-exception.php	253	0644	edit dl rm
class-wp-fatal-error-handler.php	8150	0644	edit dl rm
class-wp-feed-cache-transient.php	3176	0644	edit dl rm
class-wp-feed-cache.php	969	0644	edit dl rm
class-wp-hook.php	16000	0644	edit dl rm
class-wp-http-cookie.php	7389	0644	edit dl rm
class-wp-http-curl.php	12541	0644	edit dl rm
class-wp-http-encoding.php	6689	0644	edit dl rm
class-wp-http-ixr-client.php	3501	0644	edit dl rm
class-wp-http-proxy.php	5980	0644	edit dl rm
class-wp-http-requests-hooks.php	2022	0644	edit dl rm
class-wp-http-requests-response.php	4400	0644	edit dl rm
class-wp-http-response.php	2977	0644	edit dl rm
class-wp-http-streams.php	16859	0644	edit dl rm
class-wp-http.php	41579	0644	edit dl rm
class-wp-image-editor-gd.php	20162	0644	edit dl rm
class-wp-image-editor-imagick.php	34735	0644	edit dl rm
class-wp-image-editor.php	17527	0644	edit dl rm
class-wp-list-util.php	7443	0644	edit dl rm
class-wp-locale-switcher.php	6776	0644	edit dl rm
class-wp-locale.php	16883	0644	edit dl rm
class-wp-matchesmapregex.php	1828	0644	edit dl rm
class-wp-meta-query.php	30531	0644	edit dl rm
class-wp-metadata-lazyloader.php	6833	0644	edit dl rm
class-wp-navigation-fallback.php	9211	0644	edit dl rm
class-wp-network-query.php	19857	0644	edit dl rm
class-wp-network.php	12296	0644	edit dl rm
class-wp-object-cache.php	17524	0644	edit dl rm
class-wp-oembed-controller.php	6905	0644	edit dl rm
class-wp-oembed.php	31606	0644	edit dl rm
class-wp-paused-extensions-storage.php	5111	0644	edit dl rm
class-wp-phpmailer.php	3802	0644	edit dl rm
class-wp-plugin-dependencies.php	25315	0644	edit dl rm
class-wp-post-type.php	30680	0644	edit dl rm
class-wp-post.php	6488	0644	edit dl rm
class-wp-query.php	158023	0644	edit dl rm
class-wp-recovery-mode-cookie-service.php	6877	0644	edit dl rm
class-wp-recovery-mode-email-service.php	11183	0644	edit dl rm
class-wp-recovery-mode-key-service.php	4884	0644	edit dl rm
class-wp-recovery-mode-link-service.php	3463	0644	edit dl rm
class-wp-recovery-mode.php	11453	0644	edit dl rm
class-wp-rewrite.php	63688	0644	edit dl rm
class-wp-role.php	2523	0644	edit dl rm
class-wp-roles.php	8586	0644	edit dl rm
class-wp-script-modules.php	19463	0644	edit dl rm
class-wp-scripts.php	28344	0644	edit dl rm
class-wp-session-tokens.php	7319	0644	edit dl rm
class-wp-simplepie-file.php	3408	0644	edit dl rm
class-wp-simplepie-sanitize-kses.php	1910	0644	edit dl rm
class-wp-site-query.php	31625	0644	edit dl rm
class-wp-site.php	7454	0644	edit dl rm
class-wp-speculation-rules.php	7527	0644	edit dl rm
class-wp-styles.php	11010	0644	edit dl rm
class-wp-tax-query.php	19555	0644	edit dl rm
class-wp-taxonomy.php	18559	0644	edit dl rm
class-wp-term-query.php	40869	0644	edit dl rm
class-wp-term.php	5298	0644	edit dl rm
class-wp-text-diff-renderer-inline.php	979	0644	edit dl rm
class-wp-text-diff-renderer-table.php	18880	0644	edit dl rm
class-wp-textdomain-registry.php	10481	0644	edit dl rm
class-wp-theme-json-data.php	1809	0644	edit dl rm
class-wp-theme-json-resolver.php	35738	0644	edit dl rm
class-wp-theme-json-schema.php	7367	0644	edit dl rm
class-wp-theme-json.php	163545	0644	edit dl rm
class-wp-theme.php	65810	0644	edit dl rm
class-wp-token-map.php	28618	0644	edit dl rm
class-wp-url-pattern-prefixer.php	4802	0644	edit dl rm
class-wp-user-meta-session-tokens.php	2990	0644	edit dl rm
class-wp-user-query.php	43655	0644	edit dl rm
class-wp-user-request.php	2305	0644	edit dl rm
class-wp-user.php	22994	0644	edit dl rm
class-wp-walker.php	13322	0644	edit dl rm
class-wp-widget-factory.php	3347	0644	edit dl rm
class-wp-widget.php	18429	0644	edit dl rm
class-wp-xmlrpc-server.php	215444	0644	edit dl rm
class-wp.php	26318	0644	edit dl rm
class-wpdb.php	118284	0644	edit dl rm
class.wp-dependencies.php	373	0644	edit dl rm
class.wp-scripts.php	343	0644	edit dl rm
class.wp-styles.php	338	0644	edit dl rm
comment-template.php	103104	0644	edit dl rm
comment.php	131547	0644	edit dl rm
compat.php	16376	0644	edit dl rm
cron.php	42658	0644	edit dl rm
date.php	400	0644	edit dl rm
default-constants.php	11365	0644	edit dl rm
default-filters.php	36697	0644	edit dl rm
default-widgets.php	2295	0644	edit dl rm
deprecated.php	191563	0644	edit dl rm
embed-template.php	338	0644	edit dl rm
embed.php	38172	0644	edit dl rm
error-protection.php	4121	0644	edit dl rm
feed-atom-comments.php	5504	0644	edit dl rm
feed-atom.php	3121	0644	edit dl rm
feed-rdf.php	2668	0644	edit dl rm
feed-rss.php	1189	0644	edit dl rm
feed-rss2-comments.php	4136	0644	edit dl rm
feed-rss2.php	3799	0644	edit dl rm
feed.php	23411	0644	edit dl rm
fonts.php	9751	0644	edit dl rm
formatting.php	342921	0644	edit dl rm
functions.php	287546	0644	edit dl rm
functions.wp-scripts.php	14558	0644	edit dl rm
functions.wp-styles.php	8583	0644	edit dl rm
general-template.php	172498	0644	edit dl rm
global-styles-and-settings.php	21261	0644	edit dl rm
http.php	25312	0644	edit dl rm
https-detection.php	5857	0644	edit dl rm
https-migration.php	4741	0644	edit dl rm
kses.php	74472	0644	edit dl rm
l10n.php	68530	0644	edit dl rm
link-template.php	157801	0644	edit dl rm
load.php	56440	0644	edit dl rm
locale.php	162	0644	edit dl rm
media-template.php	63060	0644	edit dl rm
media.php	220496	0644	edit dl rm
meta.php	65243	0644	edit dl rm
ms-blogs.php	25845	0644	edit dl rm
ms-default-constants.php	4921	0644	edit dl rm
ms-default-filters.php	6636	0644	edit dl rm
ms-deprecated.php	21759	0644	edit dl rm
ms-files.php	2744	0644	edit dl rm
ms-functions.php	91582	0644	edit dl rm
ms-load.php	19883	0644	edit dl rm
ms-network.php	3782	0644	edit dl rm
ms-settings.php	4197	0644	edit dl rm
ms-site.php	41320	0644	edit dl rm
nav-menu-template.php	25990	0644	edit dl rm
nav-menu.php	44373	0644	edit dl rm
option.php	103065	0644	edit dl rm
pluggable-deprecated.php	6324	0644	edit dl rm
pluggable.php	122700	0644	edit dl rm
plugin.php	35465	0644	edit dl rm
post-formats.php	7102	0644	edit dl rm
post-template.php	68648	0644	edit dl rm
post-thumbnail-template.php	10879	0644	edit dl rm
post.php	291712	0644	edit dl rm
query.php	37035	0644	edit dl rm
registration-functions.php	200	0644	edit dl rm
registration.php	200	0644	edit dl rm
rest-api.php	100257	0644	edit dl rm
revision.php	30741	0644	edit dl rm
rewrite.php	19541	0644	edit dl rm
robots-template.php	5185	0644	edit dl rm
rss-functions.php	255	0644	edit dl rm
rss.php	23113	0644	edit dl rm
script-loader.php	133262	0644	edit dl rm
script-modules.php	7712	0644	edit dl rm
session.php	258	0644	edit dl rm
shortcodes.php	24051	0644	edit dl rm
sitemaps.php	3238	0644	edit dl rm
speculative-loading.php	8558	0644	edit dl rm
spl-autoload-compat.php	441	0644	edit dl rm
style-engine.php	7563	0644	edit dl rm
taxonomy.php	176227	0644	edit dl rm
template-canvas.php	544	0644	edit dl rm
template-loader.php	3012	0644	edit dl rm
template.php	24154	0644	edit dl rm
theme-i18n.json	1526	0644	edit dl rm
theme-previews.php	2832	0644	edit dl rm
theme-templates.php	6238	0644	edit dl rm
theme.json	8704	0644	edit dl rm
theme.php	134303	0644	edit dl rm
update.php	37503	0644	edit dl rm
user.php	175823	0644	edit dl rm
vars.php	6562	0644	edit dl rm
version.php	1090	0644	edit dl rm
widgets.php	70719	0644	edit dl rm
wp-db.php	445	0644	edit dl rm
wp-diff.php	799	0644	edit dl rm

Edit: /home/alixis5/sellotalent.com/V01/wp-includes/post-thumbnail-template.php (10879B)

<?php
/**
 * WordPress Post Thumbnail Template Functions.
 *
 * Support for post thumbnails.
 * Theme's functions.php must call add_theme_support( 'post-thumbnails' ) to use these.
 *
 * @package WordPress
 * @subpackage Template
 */

/**
 * Determines whether a post has an image attached.
 *
 * For more information on this and similar theme functions, check out
 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
 * Conditional Tags} article in the Theme Developer Handbook.
 *
 * @since 2.9.0
 * @since 4.4.0 `$post` can be a post ID or WP_Post object.
 *
 * @param int|WP_Post|null $post Optional. Post ID or WP_Post object. Default is global `$post`.
 * @return bool Whether the post has an image attached.
 */
function has_post_thumbnail( $post = null ) {
	$thumbnail_id  = get_post_thumbnail_id( $post );
	$has_thumbnail = (bool) $thumbnail_id;

/**
	 * Filters whether a post has a post thumbnail.
	 *
	 * @since 5.1.0
	 *
	 * @param bool             $has_thumbnail true if the post has a post thumbnail, otherwise false.
	 * @param int|WP_Post|null $post          Post ID or WP_Post object. Default is global `$post`.
	 * @param int|false        $thumbnail_id  Post thumbnail ID or false if the post does not exist.
	 */
	return (bool) apply_filters( 'has_post_thumbnail', $has_thumbnail, $post, $thumbnail_id );
}

/**
 * Retrieves the post thumbnail ID.
 *
 * @since 2.9.0
 * @since 4.4.0 `$post` can be a post ID or WP_Post object.
 * @since 5.5.0 The return value for a non-existing post
 *              was changed to false instead of an empty string.
 *
 * @param int|WP_Post|null $post Optional. Post ID or WP_Post object. Default is global `$post`.
 * @return int|false Post thumbnail ID (which can be 0 if the thumbnail is not set),
 *                   or false if the post does not exist.
 */
function get_post_thumbnail_id( $post = null ) {
	$post = get_post( $post );

if ( ! $post ) {
		return false;
	}

$thumbnail_id = (int) get_post_meta( $post->ID, '_thumbnail_id', true );

/**
	 * Filters the post thumbnail ID.
	 *
	 * @since 5.9.0
	 *
	 * @param int|false        $thumbnail_id Post thumbnail ID or false if the post does not exist.
	 * @param int|WP_Post|null $post         Post ID or WP_Post object. Default is global `$post`.
	 */
	return (int) apply_filters( 'post_thumbnail_id', $thumbnail_id, $post );
}

/**
 * Displays the post thumbnail.
 *
 * When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' image size
 * is registered, which differs from the 'thumbnail' image size managed via the
 * Settings > Media screen.
 *
 * When using the_post_thumbnail() or related functions, the 'post-thumbnail' image
 * size is used by default, though a different size can be specified instead as needed.
 *
 * @since 2.9.0
 *
 * @see get_the_post_thumbnail()
 *
 * @param string|int[] $size Optional. Image size. Accepts any registered image size name, or an array of
 *                           width and height values in pixels (in that order). Default 'post-thumbnail'.
 * @param string|array $attr Optional. Query string or array of attributes. Default empty.
 */
function the_post_thumbnail( $size = 'post-thumbnail', $attr = '' ) {
	echo get_the_post_thumbnail( null, $size, $attr );
}

/**
 * Updates cache for thumbnails in the current loop.
 *
 * @since 3.2.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param WP_Query|null $wp_query Optional. A WP_Query instance. Defaults to the $wp_query global.
 */
function update_post_thumbnail_cache( $wp_query = null ) {
	if ( ! $wp_query ) {
		$wp_query = $GLOBALS['wp_query'];
	}

if ( $wp_query->thumbnails_cached ) {
		return;
	}

$thumb_ids = array();

/*
	 * $wp_query may contain an array of post objects or post IDs.
	 *
	 * This ensures the cache is primed for all post objects to avoid
	 * `get_post()` calls in `get_the_post_thumbnail()` triggering an
	 * additional database call for each post.
	 */
	$parent_post_ids = array();
	foreach ( $wp_query->posts as $post ) {
		if ( $post instanceof WP_Post ) {
			$parent_post_ids[] = $post->ID;
		} elseif ( is_int( $post ) ) {
			$parent_post_ids[] = $post;
		}
	}
	_prime_post_caches( $parent_post_ids, false, true );

foreach ( $wp_query->posts as $post ) {
		$id = get_post_thumbnail_id( $post );
		if ( $id ) {
			$thumb_ids[] = $id;
		}
	}

if ( ! empty( $thumb_ids ) ) {
		_prime_post_caches( $thumb_ids, false, true );
	}

$wp_query->thumbnails_cached = true;
}

/**
 * Retrieves the post thumbnail.
 *
 * When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' image size
 * is registered, which differs from the 'thumbnail' image size managed via the
 * Settings > Media screen.
 *
 * When using the_post_thumbnail() or related functions, the 'post-thumbnail' image
 * size is used by default, though a different size can be specified instead as needed.
 *
 * @since 2.9.0
 * @since 4.4.0 `$post` can be a post ID or WP_Post object.
 *
 * @param int|WP_Post|null $post Optional. Post ID or WP_Post object.  Default is global `$post`.
 * @param string|int[]     $size Optional. Image size. Accepts any registered image size name, or an array of
 *                               width and height values in pixels (in that order). Default 'post-thumbnail'.
 * @param string|array     $attr Optional. Query string or array of attributes. Default empty.
 * @return string The post thumbnail image tag.
 */
function get_the_post_thumbnail( $post = null, $size = 'post-thumbnail', $attr = '' ) {
	$post = get_post( $post );

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

$post_thumbnail_id = get_post_thumbnail_id( $post );

/**
	 * Filters the post thumbnail size.
	 *
	 * @since 2.9.0
	 * @since 4.9.0 Added the `$post_id` parameter.
	 *
	 * @param string|int[] $size    Requested image size. Can be any registered image size name, or
	 *                              an array of width and height values in pixels (in that order).
	 * @param int          $post_id The post ID.
	 */
	$size = apply_filters( 'post_thumbnail_size', $size, $post->ID );

if ( $post_thumbnail_id ) {

/**
		 * Fires before fetching the post thumbnail HTML.
		 *
		 * Provides "just in time" filtering of all filters in wp_get_attachment_image().
		 *
		 * @since 2.9.0
		 *
		 * @param int          $post_id           The post ID.
		 * @param int          $post_thumbnail_id The post thumbnail ID.
		 * @param string|int[] $size              Requested image size. Can be any registered image size name, or
		 *                                        an array of width and height values in pixels (in that order).
		 */
		do_action( 'begin_fetch_post_thumbnail_html', $post->ID, $post_thumbnail_id, $size );

if ( in_the_loop() ) {
			update_post_thumbnail_cache();
		}

$html = wp_get_attachment_image( $post_thumbnail_id, $size, false, $attr );

/**
		 * Fires after fetching the post thumbnail HTML.
		 *
		 * @since 2.9.0
		 *
		 * @param int          $post_id           The post ID.
		 * @param int          $post_thumbnail_id The post thumbnail ID.
		 * @param string|int[] $size              Requested image size. Can be any registered image size name, or
		 *                                        an array of width and height values in pixels (in that order).
		 */
		do_action( 'end_fetch_post_thumbnail_html', $post->ID, $post_thumbnail_id, $size );

} else {
		$html = '';
	}

/**
	 * Filters the post thumbnail HTML.
	 *
	 * @since 2.9.0
	 *
	 * @param string       $html              The post thumbnail HTML.
	 * @param int          $post_id           The post ID.
	 * @param int          $post_thumbnail_id The post thumbnail ID, or 0 if there isn't one.
	 * @param string|int[] $size              Requested image size. Can be any registered image size name, or
	 *                                        an array of width and height values in pixels (in that order).
	 * @param string|array $attr              Query string or array of attributes.
	 */
	return apply_filters( 'post_thumbnail_html', $html, $post->ID, $post_thumbnail_id, $size, $attr );
}

/**
 * Returns the post thumbnail URL.
 *
 * @since 4.4.0
 *
 * @param int|WP_Post|null $post Optional. Post ID or WP_Post object.  Default is global `$post`.
 * @param string|int[]     $size Optional. Registered image size to retrieve the source for or a flat array
 *                               of height and width dimensions. Default 'post-thumbnail'.
 * @return string|false Post thumbnail URL or false if no image is available. If `$size` does not match
 *                      any registered image size, the original image URL will be returned.
 */
function get_the_post_thumbnail_url( $post = null, $size = 'post-thumbnail' ) {
	$post_thumbnail_id = get_post_thumbnail_id( $post );

if ( ! $post_thumbnail_id ) {
		return false;
	}

$thumbnail_url = wp_get_attachment_image_url( $post_thumbnail_id, $size );

/**
	 * Filters the post thumbnail URL.
	 *
	 * @since 5.9.0
	 *
	 * @param string|false     $thumbnail_url Post thumbnail URL or false if the post does not exist.
	 * @param int|WP_Post|null $post          Post ID or WP_Post object. Default is global `$post`.
	 * @param string|int[]     $size          Registered image size to retrieve the source for or a flat array
	 *                                        of height and width dimensions. Default 'post-thumbnail'.
	 */
	return apply_filters( 'post_thumbnail_url', $thumbnail_url, $post, $size );
}

/**
 * Displays the post thumbnail URL.
 *
 * @since 4.4.0
 *
 * @param string|int[] $size Optional. Image size to use. Accepts any valid image size,
 *                           or an array of width and height values in pixels (in that order).
 *                           Default 'post-thumbnail'.
 */
function the_post_thumbnail_url( $size = 'post-thumbnail' ) {
	$url = get_the_post_thumbnail_url( null, $size );

if ( $url ) {
		echo esc_url( $url );
	}
}

/**
 * Returns the post thumbnail caption.
 *
 * @since 4.6.0
 *
 * @param int|WP_Post|null $post Optional. Post ID or WP_Post object. Default is global `$post`.
 * @return string Post thumbnail caption.
 */
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;
}

/**
 * Displays the post thumbnail caption.
 *
 * @since 4.6.0
 *
 * @param int|WP_Post|null $post Optional. Post ID or WP_Post object. Default is global `$post`.
 */
function the_post_thumbnail_caption( $post = null ) {
	/**
	 * Filters the displayed post thumbnail caption.
	 *
	 * @since 4.6.0
	 *
	 * @param string $caption Caption for the given attachment.
	 */
	echo apply_filters( 'the_post_thumbnail_caption', get_the_post_thumbnail_caption( $post ) );
}

cmd: