get user name by id wordpress code example
Example 1: wp get logged in user id
<?php
$user_id = get_current_user_id();
?>
Example 2: wordpress get username
$current_user = wp_get_current_user();
echo($current_user->user_login);
Example 3: wordpress get current user role
$user = wp_get_current_user();
if ( in_array( 'author', (array) $user->roles ) ) {
//The user has the "author" role
}