wp-includes/deprecated.php:2386Get users for the site.
$idintoptional''arrayfunction get_users_of_blog( $id = '' ) { _deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' ); global $wpdb; if ( empty( $id ) ) { $id = get_current_blog_id(); } $blog_prefix = $wpdb->get_blog_prefix($id); $users = $wpdb->get_results( "SELECT user_id, user_id AS ID, user_login, display_name, user_email, meta_value FROM $wpdb->users, $wpdb->usermeta WHERE {$wpdb->users}.ID = {$wpdb->usermeta}.user_id AND meta_key = '{$blog_prefix}capabilities' ORDER BY {$wpdb->usermeta}.user_id" ); return $users;}Introduced in 2.2.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/deprecated.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.