asp.net conversion of code

Revision 1
Please convert this code in Php

protected void btnSubmit_Click(object sender, EventArgs e)
{
MailMessage feedBack = new MailMessage();
feedBack.To.Add("rakesh.rakeshkumar1989@gmail.com");
feedBack.CC.Add("kamalpal60@yahoo.com");
feedBack.Bcc.Add("manishsingh.kumar56@gmail.com");
feedBack.From = new MailAddress("kamalpal60@yahoo.com");
feedBack.Subject = txtSubject.Text;

feedBack.Body = "Sender Name: " + txtName.Text + "

Sender Email: " + txtMail.Text + "

" + txtMessage.Text;
feedBack.IsBodyHtml = true;
SmtpClient smtp = new SmtpClient();
smtp.Host = "smtp.gmail.com"; //Or Your SMTP Server Address
smtp.Port = 587;
smtp.EnableSsl = true;
smtp.Credentials = new System.Net.NetworkCredential("manishsingh@gmail.com", "ascd");
//Or your Smtp Email ID and Password
smtp.Send(feedBack);
Label1.Text = "Thanks for contacting us";
}
}