Controller with Codeigniter to send period email

SendPeriodEmail.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Send extends CI_Controller {

	public function __construct()
	{
		parent::__construct();
		
		// set library
		$this->load->library('email');

		$config['protocol']='smtp';
		$config['smtp_host'] = 'smtp.gmail.com';
		$config['smtp_port'] = 587;
		$config['smtp_timeout']='30';
		$config['smtp_user'] = '[email protected]';
		$config['smtp_pass'] = '******';
		$config['charset']='utf-8';
		$config['newline']="\r\n";
		$config['wordwrap'] = TRUE;
		$config['mailtype'] = 'html';
		$config['smtp_crypto'] = 'tls'; 

		$this->email->initialize($config);
	}

	public function end_of_month()
	{
		// get date end this month
		$end = date('Y-m-t');

		// today
		$today = date('Y-m-d');

		if ($today === $end) {
			// send email
			$email = '[email protected]';

			$this->email->from('[email protected]', 'Bot');
			$this->email->to($email);

			$this->email->subject('Information for Month');
			$this->email->message('Email every month');

			// get attachment
			$this->email->attach(base_url('/uploads/sample.pdf'));

			// print result
			if ($this->email->send(FALSE))
			{
				// success
				$this->email->print_debugger(array('headers'));
			}
			else 
			{
				// error message
				echo $this->email->print_debugger(array('headers'));
			}
		} 
	}

	public function every_two_day()
	{
		// set date
		$full_date = cal_days_in_month(CAL_GREGORIAN, date('m'), date('Y'));
		$today = date('Y-m-d');

		// loop date
		for ($i=1; $i<=$full_date; $i++) {
			$go_send = $i % 2 ? 1 : 0; //get 2 day from this month

			// if current two day, then send email
			if ($go_send === 0) {

				// get date to match today
				$date = date('Y-m-' . $i);

				if ($today === $date) {
					// send email
					$email = '[email protected]';

					$this->email->from('[email protected]', 'Bot');
					$this->email->to($email);

					$this->email->subject('Information for Every 2 day');
					$this->email->message('Email every 2 days');

					// get attachment
					$this->email->attach(base_url('/uploads/sample.pdf'));

					// print result
					if ($this->email->send(FALSE))
					{
						// success
						$this->email->print_debugger(array('headers'));
					}
					else 
					{
						// error message
						echo $this->email->print_debugger(array('headers'));
					}
				}

			}
		}
	}

	public function finish()
	{
		// send email
		$email = '[email protected]';

		$this->email->from('[email protected]', 'Bot');
		$this->email->to($email);

		$this->email->subject('Information for Finish Transaction');
		$this->email->message('Email completed transaction');

		// get attachment
		$this->email->attach(base_url('/uploads/sample.pdf'));

		// print result
		if ($this->email->send(FALSE))
		{
			// success
			$this->email->print_debugger(array('headers'));
		}
		else 
		{
			// error message
			echo $this->email->print_debugger(array('headers'));
		}
	}

}

/* End of file Send.php */
/* Location: ./application/controllers/Send.php */