Are there alternative methods to excluding categories in Wordpress using PHP?

To exclude categories in WordPress using PHP, one common method is to use the `pre_get_posts` hook to modify the main query before it is executed. However, an alternative method is to use the `query_posts()` function to exclude specific categories from the query. 

// Exclude categories using query_posts function
function exclude_categories_query( $query ) {
    if ( $query->is_home() && $query->is_main_query() ) {
        $query->set( 'cat', '-1,-2,-3' ); // Replace 1, 2, 3 with the category IDs you want to exclude
    }
}
add_action( 'pre_get_posts', 'exclude_categories_query' );

Keywords

Wordpress PHP categories exclusion methods

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