PHP:How to send the original password to the user when he clicks forgot password which is encrypted by using md5?

Question

I am using md5 to encrypt the passwords in my project.

When user clicks on forgot password and submits his email,I have to send His password to him.

But the

Answer 1

One particular purpose (among others) of a hash value is that it's irreversible, if it works perfectly.

The most common way for a "forgot password" functionality is, to generate a new password and tell your user to change it as soon as possible.