2
Short answer to "Which property am I supposed to use": Use first_name and last_name.
Longer answer:
The properties first_name, user_firstname, last_name and user_lastname are defined in the WP_User class, and despite the different names (i.e. one with user_ and the other without that prefix):
Both first_name and user_firstname use the value of the ...
2
$wpdb->get_results() returns an array on success, so you can't simply echo $result;.
Instead, you can use foreach to loop through the results and display whatever the data that you want to display:
$results = $wpdb->get_results( $q );
foreach ( $results as $row ) {
echo $row->meta_value . '<br />';
}
But I can see that you're trying to ...
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