apply_filters( 'pre_do_shortcode_tag', false|string $output, string $tag, array $attr, array $m )

421	 *422	 * @param false|string $output Short-circuit return value. Either false or the value to replace the shortcode with.423	 * @param string       $tag    Shortcode name.424	 * @param array        $attr   Shortcode attributes array, can be empty if the original arguments string cannot be parsed.425	 * @param array        $m      Regular expression match array.426	 */427	$return = apply_filters( 'pre_do_shortcode_tag', false, $tag, $attr, $m );428	if ( false !== $return ) {429		return $return;430	}431 432	$content = $m[5] ?? null;433