Similar to hook_form_alter, this function lets other modules alter content which is being rendered through the "render" system.

You may make changes to the render array.

File

includes/hook.api.php, line 95

Lists all available hooks within FlightPath's core code.

Code

function hook_content_alter(&$render, $render_id) {
  if ($render_id == 'some_id') {
    $render_array ['extra'] = array(
      'value' => 'Add this extra content.',
    );
  }
}