Dynamic form selector for years

FormItYearOptions.php

<?php
//[[!FormItYearOptions? &name=`rentexpireYear` &futureYears=`3` &pastYears=`1` &selectedOffset=`1`]]

$name = $modx->getOption('name',$scriptProperties,'year');
$futureYears = $modx->getOption('futureYears',$scriptProperties,'5');
$pastYears = $modx->getOption('pastYears',$scriptProperties,'1');
$selectedOffset = $modx->getOption('selectedOffset',$scriptProperties,'1');
$reverse = $modx->getOption('reverse',$scriptProperties,'');

$thisYear = date('Y');
$startYear = ($thisYear - $pastYears);
$endYear = ($thisYear + $futureYears);
$selectYear = ($thisYear + $selectedOffset);

$range = range($startYear, $endYear);
if($reverse){
    $range = array_reverse($range);
}

foreach ($range as $year) {
    $selected = "";
    if($year == $selectYear) { $selected = " selected"; }
    $output .= '<option value="'. $year .'" '. $selected . ' [[!+fi.'.$name.':FormItIsSelected=`$year`]]>' . $year . '</option>';
}

return $output;