wp_get_attachment_caption │ filter-hook │ WP 4.6.0

Filters the attachment caption.

Usage

add_filter( 'wp_get_attachment_caption', 'wp_kama_get_attachment_caption_filter', 10, 2 );

/**
 * Function for `wp_get_attachment_caption` filter-hook.
 * 
 * @param string $caption Caption for the given attachment.
 * @param int    $post_id Attachment ID.
 *
 * @return string
 */
function wp_kama_get_attachment_caption_filter( $caption, $post_id ){

	// filter...
	return $caption;
}

$caption(string)

Caption for the given attachment.

$post_id(int)

Attachment ID.

Changelog

Where the hook is called

return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID );

Where the hook is used in WordPress