PHP Warning:  Declaration of PLL_Walker_Dropdown::walk($elements, $args = Array) should be compatible with Walker::walk($elements, $max_depth, ...$args) in /polylang/include/walker-dropdown.php on line 94
PHP Stack trace:
PHP   1. {main}() /trunk-test/wp-admin/edit.php:0
PHP   2. WP_Posts_List_Table->inline_edit() /trunk-test/wp-admin/edit.php:439
PHP   3. do_action() /trunk-test/wp-admin/includes/class-wp-posts-list-table.php:1890
PHP   4. WP_Hook->do_action() /trunk-test/wp-includes/plugin.php:475
PHP   5. WP_Hook->apply_filters() /trunk-test/wp-includes/class-wp-hook.php:312
PHP   6. PLL_Admin_Filters_Columns->quick_edit_custom_box() /trunk-test/wp-includes/class-wp-hook.php:290
PHP   7. spl_autoload_call() /polylang/admin/admin-filters-columns.php:179
PHP   8. Polylang->autoload() /polylang/admin/admin-filters-columns.php:179