Lumen phpmailer: SMTP ERROR: Failed to connect to server: (0) - php

Question

Phpmailer Configuration: Lumen.
Previously it was working? But now the same configuration throw Failed to connect to server:
I am a newbie to laravel/lumen framework. This is my PHPmailer configuration, I don't know what I am doing wrong over here. Please somebody help me here.
<?php
namespace App\Repositories;
use App\Repositories\BaseRepository;
use App\Models\ForgetModel;
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\SMTP;
class ForgetRepository extends BaseRepository{
private $forget;
public function __construct(ForgetModel $forget) {
$this->forget = $forget;
}
public function save_verification_code($email,$verification_code)
{
$query = $this->forget->onMaster()
->insert(array('email'=>$email,'code'=>$verification_code));
}
public function send_forget_password_email($to,$message)
{
$subject = 'Verification code to reset your password';
$from = 'xyz#gmail.com';
$body = $message;
$headers = 'From: ' . strip_tags($from) . '\r\n';
$headers .= 'MIME-Version: 1.0\r\n';
$headers .= 'Content-Type: text/html; charset=ISO-8859-1\r\n';
$mail = new PHPMailer(); // create a new object
$mail->IsSMTP(); // enable SMTP
$mail->SMTPDebug = 1; // debugging: 1 = errors and messages, 2 = messages only
$mail->SMTPAuth = true; // authentication enabled
$mail->SMTPSecure = 'ssl'; // secure transfer enabled REQUIRED for Gmail
$mail->Host = 'smtp.gmail.com';
$mail->Port = 465; // or 587
$mail->IsHTML(true);
$mail->Username = 'xyz#gmail.com';
$mail->Password = '123456';
$mail->SetFrom($from);
$mail->Subject = $subject;
$mail->Body = $message;
$mail->AddAddress($to);
if(!$mail->Send()) {
echo 'Mailer Error: ' . $mail->ErrorInfo;
} else {
//echo "Message has been sent";
}
return true;
}
}

Answer 1

1. run the command "composer require phpmailer/phpmailer" in your cmd.
namespace App\Repositories;
use App\Repositories\BaseRepository;
use App\Models\ForgetModel;
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
require '../vendor/phpmailer/phpmailer/src/Exception.php';
require '../vendor/phpmailer/phpmailer/src/PHPMailer.php';
require '../vendor/phpmailer/phpmailer/src/SMTP.php';
class ForgetRepository extends BaseRepository{
private $forget;
public function __construct(ForgetModel $forget) {
$this->forget = $forget;
}
public function save_verification_code($email,$verification_code)
{
$query = $this->forget->onMaster()
->insert(array('email'=>$email,'code'=>$verification_code));
}
public function send_forget_password_email($to,$message)
{
$mail = new PHPMailer(true);
try {
//Server settings
$mail = new PHPMailer(); // create a new object
$mail->IsSMTP(); // enable SMTP
$mail->SMTPDebug = 2; // debugging: 1 = errors and messages, 2 = messages only
$mail->SMTPAuth = true; // authentication enabled
$mail->SMTPSecure = 'tls'; // secure transfer enabled REQUIRED for GMail
$mail->SMTPOptions = array(
'ssl' => array(
'verify_peer' => false,
'verify_peer_name' => false,
'allow_self_signed' => true
)
);
//$mail->Host = $host;
$mail->Host = "smtp.gmail.com";
$mail->Port = 587; // or 465
$mail->IsHTML(true);
$mail->Username = $username;
$mail->Password = $password;
$mail->SetFrom($username);
$mail->Subject = $subject;
$mail->Body =$body;
$mail->AddAddress($to);
$mail->Send();
echo 'Message has been sent';
} catch (Exception $e) {
echo 'Message could not be sent.';
echo 'Mailer Error: ' . $mail->ErrorInfo;
}
}
}