CODE EXAMPLE FOR PHP

laravel mail

<?php
 
namespace AppMail;
 
use AppModelsOrder;
use IlluminateBusQueueable;
use IlluminateMailMailable;
use IlluminateQueueSerializesModels;
 
class OrderShipped extends Mailable
{
    use Queueable, SerializesModels;
 
    /**
     * The order instance.
     *
     * @var AppModelsOrder
     */
    protected $order;
 
    /**
     * Create a new message instance.
     *
     * @param  AppModelsOrder  $order
     * @return void
     */
    public function __construct(Order $order)
    {
        $this->order = $order;
    }
 
    /**
     * Build the message.
     *
     * @return $this
     */
    public function build()
    {
      	// if only 1 file
        return $this->view('emails.orders.shipped')->attach($this->order['invoice']);
      
      	// if multiple files then i use this code
        return $this->view('emails.orders.shipped');
      	foreach ($this->order['invoice'] as $file){
            $this->attach($file);
        }
    }
}
// Please do comment if you have a better approach
// We all here to find shorter and faster way to get things done
// Thank you