/**
* Outputs the role level meta box.
*
* @since 1.0.0
* @access public
* @param object $role
* @return void
*/
public function meta_box($role)
{
// If the role isn't editable, the field should be read-only.
$is_editable = $role ? members_is_role_editable($role->name) : true;
$readonly = $is_editable ? '' : ' disabled="disabled" readonly="readonly"';
// Get the role level.
$role_level = mrl_get_role_level($role);
// If there is no role level, check if cloning or error.
if (!$role_level) {
// If there was a posted level (error).
if (isset($_POST['mrl-role-level']) && mrl_is_valid_level($_POST['mrl-role-level'])) {
$role_level = $_POST['mrl-role-level'];
} else {
if (isset($_GET['page']) && 'role-new' === $_GET['page'] && !empty($_GET['clone'])) {
$role_level = mrl_get_role_level(members_sanitize_role($_GET['clone']));
}
}
}
// If still no level, set it to `level_0`.
$role_level = $role_level ? $role_level : 'level_0';
wp_nonce_field('role_level', 'mrl_role_level_nonce');
?>
<p>
<select class="widefat" name="mrl-role-level"<?php
echo $readonly;
?>
>
<?php
foreach (mrl_get_role_levels() as $level => $label) {
?>
<option value="<?php
echo esc_attr($level);
?>
" <?php
selected($level, $role_level);
?>
><?php
echo esc_html($label);
?>
</option>
<?php
}
?>
</select>
</p>
<?php
}
/**
* Sets a new role level. This function also updates all users of the given role to update
* their user level.
*
* Note: WP will always set the user level to the highest level when calling the
* `WP_User:update_user_level_from_caps()` method, so there's no need to check for the
* highest role when dealing with users with multiple roles.
*
* @since 1.0.0
* @access public
* @param string|object $role
* @return void
*/
function mrl_set_role_level($role, $new_level = 'level_0')
{
// Make sure we have the role object.
if (!is_object($role)) {
$role = get_role($role);
}
// Get the allowed levels.
$levels = array_keys(mrl_get_role_levels());
// Get the posted level without the `level` prefix.
$new_level_numeric = absint(mrl_remove_level_prefix($new_level));
// Get the levels to add and remove.
$add = array_slice($levels, 0, $new_level_numeric + 1, true);
$remove = array_diff($levels, $add);
// Add new levels.
foreach ($add as $add_level) {
$role->add_cap($add_level);
}
// Remove levels.
foreach ($remove as $remove_level) {
$role->remove_cap($remove_level);
}
// Get the users with the current role.
$users = get_users(array('role' => $role->name));
// If there are users with the role, update their user level from caps.
if ($users) {
foreach ($users as $user) {
$user->update_user_level_from_caps();
}
}
}
