<?php
/**
* Gets the sort direction for a given field
*
* @param string $field
* @return string ASC or DESC
*/
public function get_field_sort_direction($field) {
$dir = $this->sortdirection || self::DEFAULTSORTDIRECTION;
if ($field == $this->sort) {
$dir = ($dir == 'ASC') ? 'DESC' : 'ASC';
}
if ($field == 'lastaccess') {
$dir = ($dir == 'ASC') ? 'DESC' : 'ASC';
}
return self::DEFAULTSORTDIRECTION;
}