apply_filters( 'wp_audio_shortcode_override', string $html, array $attr, string $content, int $instance )

3369	 *3370	 * @param string $html     Empty variable to be replaced with shortcode markup.3371	 * @param array  $attr     Attributes of the shortcode. See {@see wp_audio_shortcode()}.3372	 * @param string $content  Shortcode content.3373	 * @param int    $instance Unique numeric ID of this audio shortcode instance.3374	 */3375	$override = apply_filters( 'wp_audio_shortcode_override', '', $attr, $content, $instance );3376 3377	if ( '' !== $override ) {3378		return $override;3379	}3380 3381	$audio = null;