function hook_node_limit_element_validate in Node Limit 7

Same name and namespace in other branches

1. 8 old/node_limit.api.php \hook_node_limit_element_validate()

Validate a submodules' elements values.

Called when the user attempts to add or edit a Node Limit. The implementor of the hook has the opportunity to validate the value the user entered.

Parameters

object $element: The element.

Return value

array TODO explain

5 functions implement hook_node_limit_element_validate()

Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

node_limit_interval_node_limit_element_validate in node_limit_interval/node_limit_interval.module

Implements hook_node_limit_element_validate().

node_limit_role_node_limit_element_validate in node_limit_role/node_limit_role.module

Implements hook_node_limit_element_validate().

node_limit_type_node_limit_element_validate in node_limit_type/node_limit_type.module

Implements hook_node_limit_element_validate().

node_limit_userofrole_node_limit_element_validate in node_limit_userofrole/node_limit_userofrole.module

Implements hook_node_limit_element_validate().

node_limit_user_node_limit_element_validate in node_limit_user/node_limit_user.module

Implements hook_node_limit_element_validate().

1 invocation of hook_node_limit_element_validate()

node_limit_limit_form_validate in ./node_limit.module

Validation hook for node_limit_limit_form.

File

./node_limit.api.php, line 93

Node_limit api reference.

Code

function hook_node_limit_element_validate($element) {

  /**
   * Validation:
   * User cannot be user:1
   * User must be in the {user} table
   */
  $potential_user = user_load_by_name($element);
  if ($potential_user->uid == 1) {

    //we cannot apply a limit to user:1
    return array(
      'error' => t('Node Limits cannot be applied to User #1'),
    );
  }
  elseif ($potential_user === FALSE) {

    //unknown user
    return array(
      'error' => t('Unknown user "!user"', array(
        '!user' => $element,
      )),
    );
  }
  return TRUE;
}