how to send mail through php mailer code example

Example 1: php mail function

<?php
$to = $_POST['email'];
$subject = "Email Subject";

$message = 'Dear '.$_POST['name'].',<br>';
$message .= "We welcome you to be part of family<br><br>";
$message .= "Regards,<br>";

// Always set content-type when sending HTML email
$headers = "MIME-Version: 1.0" . "\r\n";
$headers .= "Content-type:text/html;charset=UTF-8" . "\r\n";

// More headers
$headers .= 'From: <[email protected]>' . "\r\n";
$headers .= 'Cc: [email protected]' . "\r\n";

mail($to,$subject,$message,$headers);
?>

Example 2: how to setup php mailer

<?php
    include "emails/PHPMailer/PHPMailerAutoload.php"; 
	//or just include the php mailer class 
    //Create a new PHPMailer instance
    $mail = new PHPMailer(); 

    $mail->IsSMTP(); 
    $mail->SMTPDebug = 1; 
    $mail->SMTPAuth = true; 
    $mail->SMTPSecure = 'ssl'; 
    $mail->Host = "smtp.gmail.com";
	/*
    
    you also need to set the `allow less secure app` = ON 
    in your gmail account which you want to use here 
    :) 
    on then you will be able to send the emails from your account
    using phpMailer
    
    */
    $mail->Port = 465; 
    $mail->IsHTML(true);
    //Username to use for SMTP authentication
    $mail->Username = "@gmail.com";
    $mail->Password = "";
    //Set who the message is to be sent from
    $mail->setFrom('[email protected]', 'Zubair Mushtaq');
    //Set an alternative reply-to address
    $mail->addReplyTo('[email protected]', 'Secure Developer');
    //Set who the message is to be sent to
    $mail->addAddress('[email protected]', 'Abulogicss');
    //Set the subject line
    $mail->Subject = 'PHPMailer SMTP test';
    //Read an HTML message body from an external file, convert referenced images to embedded,
    //convert HTML into a basic plain-text alternative body
    $mail->msgHTML("convert HTML into a basic plain-text alternative body");
    //Replace the plain text body with one created manually
    $mail->AltBody = 'This is a plain-text message body';

    //send the message, check for errors
    if (!$mail->send()) {
        echo "Mailer Error: " . $mail->ErrorInfo;
    } else {
        echo "Message sent!";
    }