Fires before the upload button in the media upload interface.
wp-admin/includes/media.php:2278media_upload_form() <?php /** * Fires before the upload button in the media upload interface. * * @since 2.6.0 */ do_action( 'pre-html-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores ?> <p id="async-upload-wrap"> <label class="screen-reader-text" for="async-upload"> <?php /* translators: Hidden accessibility text. */Introduced in 2.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.