Hi,
I want to remove the product-category from the slug to improve SEO, and found this code:
add_filter(‘request’, function( $vars ) {
global $wpdb;
if( ! empty( $vars[‘pagename’] ) || ! empty( $vars[‘category_name’] ) || ! empty( $vars[‘name’] ) || ! empty( $vars[‘attachment’] ) ) {
$slug = ! empty( $vars[‘pagename’] ) ? $vars[‘pagename’] : ( ! empty( $vars[‘name’] ) ? $vars[‘name’] : ( !empty( $vars[‘category_name’] ) ? $vars[‘category_name’] : $vars[‘attachment’] ) );
$exists = $wpdb->get_var( $wpdb->prepare( “SELECT t.term_id FROM $wpdb->terms t LEFT JOIN $wpdb->term_taxonomy tt ON tt.term_id = t.term_id WHERE tt.taxonomy = ‘product_cat’ AND t.slug = %s” ,array( $slug )));
if( $exists ){
$old_vars = $vars;
$vars = array(‘product_cat’ => $slug );
if ( !empty( $old_vars[‘paged’] ) || !empty( $old_vars[‘page’] ) )
$vars[‘paged’] = ! empty( $old_vars[‘paged’] ) ? $old_vars[‘paged’] : $old_vars[‘page’];
if ( !empty( $old_vars[‘orderby’] ) )
$vars[‘orderby’] = $old_vars[‘orderby’];
if ( !empty( $old_vars[‘order’] ) )
$vars[‘order’] = $old_vars[‘order’];
}
}
return $vars;
});
When I add this in functions.php in the child theme, will it still load when you guys provide an update for the master theme? How is custom work retained in general when dealing with child themes?