Pesquisar por E-mail do User e outros campos com JetSmartFilters no WordPress

/* Adicione esse trecho no functions.php do tema [ou tema filho mais seguro] */
/* no campo search do smartfilters no query variable coloque: 
user_prop::user_email; user_prop::user_login; user_prop::user_nicename; user_prop::ID; user_prop::user_url     
--->> importante use ponto e virgula (;) para adicionar mais de um termo caso necessário. */
/* 
Veja o Prints:
https://imgur.com/a/amQwmzv 
https://imgur.com/a/3foNmbH

*/

add_filter( 'jet-smart-filters/query/final-query', function( $query ) {

     foreach ( $query['meta_query'] as $index => $meta_query_item ) {

                if ( false !== strpos( $query['meta_query'][$index]['key'], 'user_prop::' ) ) {

                        $prop = explode( '::', $query['meta_query'][$index]['key'] )[1];
                        $query['meta_query'][$index]['key'] = $prop;
                        $query['search_columns'] = array( $prop );
                        $query['search'] = '*'.$query['meta_query'][$index]['value'].'*';

                        foreach( $query['meta_query'] as $i => $meta_query_item ) {
                               if ( $meta_query_item['key'] == $prop ) {
                                         unset( $query['meta_query'][$i] );
                }
            }
        }
    }
        return $query;
    } );
    
    ```
    
    Desenvolvido por: Dante Testa