<?php

use Carbon\Carbon;

require_once realpath(dirname(__FILE__) . '/TestCase.php');
$date = new DateTime('2018-10-31');
$date->modify('-1 month');
echo $date->format('Y-m-d');

$res = Carbon::parse('2018-10')->endOfMonth()->subMonth();

dd($res);

$conditions = [
    'starttime' => Carbon::parse('2018-10-01')->startOfDay(),
    'endtime' => Carbon::parse('2018-10-31')->startOfDay(),
];

$res = \DB::connection('mongo')->table('tblCard')->where(function ($query) use ($conditions) {
    $query->where('exPCodes.cDate', '>=', $conditions['starttime'])->where('exPCodes.cDate', '<=', $conditions['endtime'])->where('oDate', 'exists', false);
})->orWhere(function ($query) use ($conditions) {
    $query->where('exPCodes.oDate', '>=', $conditions['starttime'])->where('exPCodes.oDate', '<=', $conditions['endtime'])->where('pType', 0);
})->first();

dd($res['exPCodes']);