phpmailer2.php

<?php
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\SMTP;
use PHPMailer\PHPMailer\Exception;
function sendmail($tomail, $totmailname , $subject, $message)
{
	include("dbconnection.php");
	$sqledit = "SELECT * FROM setting where settingtype=SMTP";
	$qsqledit = mysqli_query($con,$sqledit);
	echo mysqli_error($con);
	$rsedit = mysqli_fetch_array($qsqledit);
	$smtpdetails = unserialize($rsedit[settingdetails]);
	// Import PHPMailer classes into the global namespace
	// These must be at the top of your script, not inside a function

	// Load Composers autoloader
	require PHPMailer/src/Exception.php;
	require PHPMailer/src/PHPMailer.php;
	require PHPMailer/src/SMTP.php;

	// Instantiation and passing `true` enables exceptions
	$mail = new PHPMailer(true);

	try {
		//Server settings
		$mail->SMTPDebug = FALSE; //SMTP::DEBUG_SERVER;                      // Enable verbose debug output
		$mail->isSMTP();                                            // Send using SMTP
		$mail->Host       = $smtpdetails[smtpserver];                    // Set the SMTP server to send through
		$mail->SMTPAuth   = true;                                   // Enable SMTP authentication
		$mail->Username   = $smtpdetails[loginid]; // SMTP username
		$mail->Password   = $smtpdetails[password];  // SMTP password
		$mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS; // Enable TLS encryption; `PHPMailer::ENCRYPTION_SMTPS` also accepted
		$mail->Port       = $smtpdetails[smtpport];
		// TCP port to connect to

		//Recipients
		$mail->setFrom($smtpdetails[loginid], $smtpdetails[mailsender]);
		$mail->addAddress($tomail, $totmailname);     // Add a recipient
		$mail->addAddress($tomail);               // Name is optional
		$mail->addReplyTo($tomail, $totmailname);
		//$mail->addCC(cc@example.com);
		//$mail->addBCC(bcc@example.com);

		// Attachments
	  //  $mail->addAttachment(/var/tmp/file.tar.gz);         // Add attachments
	  //  $mail->addAttachment(/tmp/image.jpg, new.jpg);    // Optional name

		// Content
		$mail->isHTML(true);                                  // Set email format to HTML
		$mail->Subject = $subject;
		$mail->Body    = $message;
		$mail->AltBody = Mail Receieved;

		$mail->send();
			//echo Message has been sent;
	} 
	catch (Exception $e) 
	{
		echo "Message could not be sent. Mailer Error: {
			$mail->ErrorInfo}";
	}
}

sendmail("mvaravinda@gmail.com", "Aravind" ,"Hello", "how are you");
?>