hook_user

Definition

hook_user($op, &$edit, &$account, $category = NULL)
developer/hooks/core.php, line 1678

Description

Act on user account actions.

This hook allows modules to react when operations are performed on user accounts.

Parameters

$op What kind of action is being performed. Possible values (in alphabetical order):

"after_update": The user object has been updated and changed. Use this if (probably along with 'insert') if you want to reuse some information from the user object.
"categories": A set of user information categories is requested.
"delete": The user account is being deleted. The module should remove its custom additions to the user object from the database.
"form": The user account edit form is about to be displayed. The module should present the form elements it wishes to inject into the form.
"insert": The user account is being added. The module should save its custom additions to the user object into the database and set the saved fields to NULL in $edit.
"load": The user account is being loaded. The module may respond to this
"login": The user just logged in.
"logout": The user just logged out. and insert additional information into the user object.
"register": The user account registration form is about to be displayed. The module should present the form elements it wishes to inject into the form.
"submit": Modify the account before it gets saved.
"update": The user account is being changed. The module should save its custom additions to the user object into the database and set the saved fields to NULL in $edit.
"validate": The user account is about to be modified. The module should validate its custom additions to the user object, registering errors as necessary.
"view": The user's account information is being displayed. The module should format its custom additions for display, and add them to the $account->content array.

&$edit The array of form values submitted by the user.

&$account The user object on which the operation is being performed.

$category The active category of user information being edited.

Return value

This varies depending on the operation.

"categories": A linear array of associative arrays. These arrays have keys:
- "name": The internal name of the category.
- "title": The human-readable, localized name of the category.
- "weight": An integer specifying the category's sort ordering.
"delete": None.
"form", "register": A $form array containing the form elements to display.
"insert": None.
"load": None.
"login": None.
"logout": None.
"submit": None.
"update": None.
"validate": None.
"view": None.

Name	Description
Hooks	Allow modules to interact with the Drupal core.

Code

<?php
function hook_user($op, &$edit, &$account, $category = NULL) {
  if ($op == 'form' && $category == 'account') {
    $form['comment_settings'] = array(
      '#type' => 'fieldset',
      '#title' => t('Comment settings'),
      '#collapsible' => TRUE,
      '#weight' => 4);
    $form['comment_settings']['signature'] = array(
      '#type' => 'textarea',
      '#title' => t('Signature'),
      '#default_value' => $edit['signature'],
      '#description' => t('Your signature will be publicly displayed at the end of your comments.'));
    return $form;
  }
}
?>