salesagility_SuiteCRM/include/SugarFields/Fields/CronSchedule/SugarFieldCronSchedule.php

<?php
require_once('include/SugarFields/Fields/Base/SugarFieldBase.php');

class SugarFieldCronSchedule extends SugarFieldBase
{
    private function getDays()
    {
        $days = array();
        $date = new DateTime("1986-05-01");
        $period = new DateInterval('P1D');
        for ($x = 1; $x <= 31; $x++) {
            $days[$x] = $date->format('jS');
            ;
            $date->add($period);
        }
        return $days;
    }
    private function getWeekDays()
    {
        $days = array();
        $date = new DateTime("1986-05-04");
        $period = new DateInterval('P1D');
        for ($x = 0; $x < 7; $x++) {
            $days[$x] = $date->format('D');
            $date->add($period);
        }
        return $days;
    }

    public function setup($parentFieldArray, $vardef, $displayParams, $tabindex, $twopass = true)
    {
        global $app_list_strings,$app_strings;
        parent::setup($parentFieldArray, $vardef, $displayParams, $tabindex, $twopass);
        $this->ss->assign('APP', $app_strings);
        $this->ss->assign('types', get_select_options_with_id($app_list_strings['aor_scheduled_report_schedule_types'], ''));
        $weekdays = $this->getWeekDays();
        $this->ss->assign('weekday_vals', json_encode($weekdays));
        $this->ss->assign('weekdays', get_select_options($weekdays, ''));
        $days = $this->getDays();
        $this->ss->assign('days', get_select_options($days, ''));
        $minutes = array_map([$this, 'padNumbers'], range(0, 59));
        $hours = array_map([$this, 'padNumbers'], range(0, 23));
        $this->ss->assign('minutes', get_select_options($minutes, ''));
        $this->ss->assign('hours', get_select_options($hours, ''));
    }

    private function padNumbers($x)
    {
        return str_pad($x, 2, '0', STR_PAD_LEFT);
    }
}