- $this->_columnHeaders = array(
- 'field' => array('title' => ts('Field')),
- 'from' => array('title' => ts('Changed From')),
- 'to' => array('title' => ts('Changed To')),
- );
+ $this->_columnHeaders = [
+ 'field' => ['title' => ts('Field')],
+ 'from' => ['title' => ts('Changed From')],
+ 'to' => ['title' => ts('Changed To')],
+ ];