is it possible to send array template variable from controller to custom email template and display array value in email template in magento 2
Yes it is possible to set the array value to the email template.
I would suggest you to refer this link - https://magento.stackexchange.com/questions/136947/magento-2-how-to-handle-array-values-in-custom-em...
Hope it helps !
using this link can not send array value into mail.
you can go through this link