1
Bitwise operators expect conditionals on either side of them to evaluate to either TRUE or FALSE. If FALSE it checks the next conditional until it finds a TRUE or all conditionals have been checked. Also, the is_page() function doesn't allow parameters to be passed in on a bitwise basis. So simply change your code to the below and you're good!
<?php if ( ...
1
I already had this need, I found this code somewhere in the web. up to you to customize it with your needs. I tested it on the Twenty Nineteen theme:
Put this in functions.php :
class themeslug_walker_nav_menu extends Walker_Nav_Menu {
// add classes to ul sub-menus
function start_lvl(&$output, $depth) {
// depth dependent classes
$indent = (...
1
OK, got it :-)
add_filter( 'wp_nav_menu_objects', 'add_nav_menu_item_class' );
function add_nav_menu_item_class( $items ) {
foreach ( $items as $item ) {
$post_id = get_post_meta( $item->ID, '_menu_item_object_id', true );
$post_tags = get_the_tags( $post_id );
if ( $post_tags ) {
foreach( $post_tags as $tag ) {
...
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