Deprecated for PHP 8.1

[waviaei]

PHP 8.1 で下記 deprecation notice がでる。8.0 では出ない。

strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated
wp-includes/functions.php:7022
strpos()
wp-includes/functions.php:7022
wp_is_stream()
wp-includes/functions.php:2155
wp_normalize_path()
wp-includes/plugin.php:768
plugin_basename()
wp-admin/includes/plugin.php:1405
add_submenu_page()
wp-content/plugins/logbook/src/LogBook/Admin.php:63
LogBook\Admin->admin_menu()
wp-includes/class-wp-hook.php:308
do_action('admin_menu')
wp-admin/includes/menu.php:155

str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated
wp-includes/functions.php:2162
str_replace()
wp-includes/functions.php:2162
wp_normalize_path()
wp-includes/plugin.php:768
plugin_basename()
wp-admin/includes/plugin.php:1405
add_submenu_page()
wp-content/plugins/logbook/src/LogBook/Admin.php:63
LogBook\Admin->admin_menu()
wp-includes/class-wp-hook.php:308
do_action('admin_menu')
wp-admin/includes/menu.php:155