title = $title; $this->depth = $depth; } /** * Returns the content to display. */ public function getContent() { // Since this is a mock object, we just return some HTML of the desired // nesting level. For depth=2, this returns: // '

• 1
  • 1.1

'. $content = ''; for ($i = 0; $i < $this->depth; $i++) { $content .= '

• ' . implode('.', array_fill(0, $i + 1, '1')); } for ($i = 0; $i < $this->depth; $i++) { $content .= '

'; } return $content; } }