How to send an email manually using WooCommerce email templates.

how-to-send-an-email-manually-using-woocommerce-email-templates.php

<?php
// Load the WooCommerce email templates.
$wc_emails = WC()->mailer()->get_emails();

/**
 * You can specify which template mail is to be sent from the following array elements.
 * 'WC_Email_New_Order'
 * 'WC_Email_Cancelled_Order'
 * 'WC_Email_Failed_Order'
 * 'WC_Email_Customer_On_Hold_Order'
 * 'WC_Email_Customer_Processing_Order'
 * 'WC_Email_Customer_Completed_Order'
 * 'WC_Email_Customer_Refunded_Order'
 * 'WC_Email_Customer_Invoice'
 * 'WC_Email_Customer_Note'
 * 'WC_Email_Customer_Reset_Password'
 * 'WC_Email_Customer_New_Account'
 */

// Set the recipeent.
$wc_emails['WC_Email_New_Order']->recipient = 'sample@example.com';

// If you want to change the email type, you can set it from 'html', 'multipart', or 'plain'.
//$wc_emails['WC_Email_New_Order']->email_type = 'plain';

// Trigger the sending of an email to the order ID.
$order_id = 1;
$wc_emails['WC_Email_New_Order']->trigger( $order_id );