WordPress Version: 6.1
/**
* Outputs a textarea element for inputting an attachment caption.
*
* @since 3.4.0
*
* @param WP_Post $edit_post Attachment WP_Post object.
* @return string HTML markup for the textarea element.
*/
function wp_caption_input_textarea($edit_post)
{
// Post data is already escaped.
$name = "attachments[{$edit_post->ID}][post_excerpt]";
return '<textarea name="' . $name . '" id="' . $name . '">' . $edit_post->post_excerpt . '</textarea>';
}