}
static function sortByGradYear($line1, $line2) {
- if ($line1['grad_year'] == $line2['grad_year']) {
+ $a = (int) $line1['grad_year'];
+ $b = (int) $line2['grad_year'];
+ if ($a == $b) {
return 0;
}
- return ($line1['grad_year'] < $line2['grad_year']) ? -1 : 1;
+ return ($a < $b) ? -1 : 1;
}
public function value(ProfilePage &$page, $field, $value, &$success)