WooCommerce Order Status Updater

order-updater.php

<pre style="margin-left:30px; margin-bottom:30px;">
_  _ ___  ___  ____ ___ ____ ___     ____ ____ ___  ____ ____ ____ 
|  | |__] |  \ |__|  |  |___ |  \    |  | |__/ |  \ |___ |__/ [__  
|__| |    |__/ |  |  |  |___ |__/    |__| |  \ |__/ |___ |  \ ___] 
</pre>
<?php  
    require_once("../wp-load.php");

    $totalOrders = array();
    $affectedOrders = array();

    $orders = wc_get_orders(
        array(
            'limit' => -1,
            'type'=> 'shop_order',
            'status'=> array('wc-processing'),
        )
    );

    function reFormatDate($eachDate) { 
        $newDate = DateTime::createFromFormat('d/m/Y', $eachDate);
        return $newDate->format('Y-m-d');
    } 

    foreach($orders as $eachOrder){
        $shipping_method = $eachOrder->get_shipping_method();
        $tempDates = array();
        foreach($eachOrder->get_items() as $item_id => $item ){
            $meta_value = $item->get_meta("Deliver Date");
            if($meta_value != ''){
                $dates = explode(", ",$meta_value);
                $formattedDates = array_map("reFormatDate", $dates);
                array_push($tempDates,$formattedDates);
            }
        }
        $mergedDates = array_merge([], ...$tempDates);
        if(count($mergedDates) > 0 && $shipping_method == 'จักรยาน'){
            $tempReport = new stdClass();
            $tempReport->orderId = $eachOrder->id;
            // $tempReport->dates = $tempDates;
            $tempReport->dates = $mergedDates;
            $tempReport->startDate = min($tempReport->dates);
            $tempReport->endDate = max($tempReport->dates);
            array_push($totalOrders,$tempReport);
        }
    }

    foreach($totalOrders as $eachOrder){
        if($eachOrder->endDate < date("Y-m-d")){
            $order = new WC_Order($eachOrder->orderId);
            if(!empty($order)){
                $order->update_status('completed');
                array_push($affectedOrders,$eachOrder);
            }
        }
    }

    echo 'Affected orders : '.count($affectedOrders);
    print("<pre>".print_r($affectedOrders,true)."</pre>");
?>