TicketCommand.php

<?php
namespace App\Command;

use Cake\Command\Command;
use Cake\Console\Arguments;
use Cake\Console\ConsoleIo;
use Cake\Console\ConsoleOptionParser;

class TicketCommand extends Command
{
    protected $modelClass = 'Debug';

    public function execute(Arguments $args, ConsoleIo $io)
    {
        $fd = fopen("php://stdin", "r");
        $email_content = "";
        while (!feof($fd)) {
        $email_content .= fread($fd, 1024);
        }
        fclose($fd);

        $data['debug'] = $email_content;


        $debug = $this->Debug->newEmptyEntity();

        $debug = $this->Debug->patchEntity($debug, $data);
        if ($this->Debug->save($debug))
        {
            $io->out('The ticket header has been saved.');
        }else{
            $io->out('The ticket header could not be saved. Please, try again.');
        }
    }
}