php - Can't hide post in wordpress -


i want exclude category homepage. tried below code, it's working site in local server after moved code production server won't work @ all.

function exclude_category($query) {     if ( $query->is_home() ) {     $query->set( 'cat', '-505' );     } return $query; } add_filter( 'pre_get_posts', 'exclude_category' );

i tried install 'wp-hide-post' plugin, yet, it's not working.

what missing?


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