PHPMailer Library for Codeigniter - Keep the native email structure!

PHPMail.php

<?php
/**
 * PHPMailer for Codeigniter - Keep the native email structure!
 *
 * @package        	CodeIgniter
 * @subpackage    	Libraries
 * @category    	Libraries
 * @author			https://github.com/portapipe
 * 
 * @version		1.0
 */
 
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

require_once(APPPATH."third_party/PHPMailer/src/Exception.php");
require_once(APPPATH."third_party/PHPMailer/src/PHPMailer.php");
require_once(APPPATH."third_party/PHPMailer/src/SMTP.php");

class PHPMail
{	
	public $config_file = "email";	//Config file to be used as configuration
	public $config_name = "email";	//Config name to be used in the config file
	private $debug = 2;				//Enable verbose debug output
	public $smtp_port = 25;			//Default SMTP port
	public $smtp_crypto = 'ssl';
	public $mailtype = 'html';
	
	function __construct($config = array()) {
		$this->CI =& get_instance();
		$this->CI->load->config($this->config_file);
		$this->config = $this->CI->config->item($this->config_name);
		foreach($this->config as $k=>$v){
			$this->{$k} = $v;
		}
		$this->initialize($config);
	}

	public function load()
    {
        $objMail = new \PHPMailer\PHPMailer\PHPMailer;
        return $objMail;
    }
    
    
    public function initialize($config=false){
	    if($config!=false){
		    foreach($config as $k=>$v){
			    $this->{$k} = $v;
		    }
	    }
		$mail = $this->load();
	    //Server settings
	    if($this->protocol=="smtp"){				// Set mailer to use SMTP
	    	$mail->SMTPDebug = $this->debug;
	    	$mail->isSMTP();        
			$mail->SMTPAuth = true; 				// Enable SMTP authentication
		    $mail->Host = $this->smtp_host; 		// Specify main and backup SMTP servers                           
		    $mail->Username = $this->smtp_user;     // SMTP username
		    $mail->Password = $this->smtp_pass;     // SMTP password
		    $mail->SMTPSecure = $this->smtp_crypto;	// Enable TLS encryption, `ssl` also accepted
			$mail->Port = $this->smtp_port;				// TCP port to connect to
		}
		
		
	    $this->mail = $mail;
	    return $this;
    }public function init(){return $this->initialize();}
    
    public function from($email,$name=""){
	    $this->from = [$email,$name];
	    return $this;
    }
    public function reply_to($email,$name=""){
	    $this->reply_to = [$email,$name];
	    return $this;
    }
    public function to($email){
	    $this->to = $email;
	    return $this;
    }
    public function cc($email){
	    $this->cc = $email;
	    return $this;
    }
    public function bcc($email){
	    $this->bcc = $email;
	    return $this;
    }
    public function subject($subject){
	    $this->subject = $subject;
	    return $this;
    }
    public function message($message){
	    $this->message = $message;
	    return $this;
    }
    public function set_alt_message($message){
	    $this->set_alt_message = $message;
	    return $this;
    }
    public function set_header($header,$value){
	    $this->set_header[] = [$header=>$value];
	    return $this;
    }
    public function clear($clear_attachments = FALSE){
	    $this->clear = $clear_attachments;
	    return $this;
    }
    public function attach($filename){
	    $this->attachments[] = $filename;
	    return $this;
    }
    public function print_debugger($include=[]){
	    $this->debugger = $include;
// 	    return $this;
    }
    
    //Replace USERNAME, PASSWORD, and other variables accordingly 
    //$receiver can be a string or an array of [%name% => %email% , ...]
	public function send($auto_clear=TRUE){

		$mail = $this->mail;
		try {
	    	//Recipients
		    $mail->setFrom($this->from[0],$this->from[1]);
		    if(is_string($this->to))
			    $mail->addAddress($this->to);     // Add a recipient
			else{
				foreach($this->to as $k=>$v){
					if(is_numeric($k))
					    $mail->addAddress($v);     // Add a recipient
					else
					    $mail->addAddress($v,$k);     // Add a recipient
				}
			}

		    if(isset($this->reply_to)) 	// Name is optional
			    $mail->addReplyTo($this->reply_to[0], $this->reply_to[1]);
			    
		    if(isset($this->cc)) 
			    $mail->addCC($this->cc);
		    if(isset($this->bcc))
			    $mail->addBCC($this->bcc);

		    //Attachments
		    if(isset($this->attachments)){
			    foreach($this->attachments as $file){
					$mail->addAttachment($file);         // Add attachments
					//$mail->addAttachment('/tmp/image.jpg', 'new.jpg');    // Optional name
			    }
		    }

		    //Content
		    if(strtolower($this->mailtype)=="html")
			    $mail->isHTML(true);	// Set email format to HTML
		    $mail->Subject = $this->subject;
		    $mail->Body    = $this->message;
		    $mail->AltBody = (isset($this->set_alt_message)?$this->set_alt_message:strip_tags($this->message));
			$mail->SMTPAutoTLS = false;
// 			echo '<p><b>Linea '.__LINE__.'</b></p><pre>';print_r($mail);echo '</pre><p><i>File: '.__FILE__.'</i></p>';die;
		    $mail->send();
		    echo 'Message has been sent';
		    return true;
		} catch (Exception $e) {
		    log_message("error","[".__CLASS__."] L".__LINE__." ".__FUNCTION__."(".implode(",",func_get_args()).") - PHPMailer error: ".$mail->ErrorInfo);
		    echo 'Message could not be sent.';
		    echo 'Mailer Error: ' . $mail->ErrorInfo;
		    return false;
		}
	}
}