SaifShovon

First, run:

$ composer config --list --global        //this will get the composer home path.
[home] /root/.composer                   //it's my composer home path.

And then, edit the config.json in [home] directory, make it like this:

{
  "config": {
 "github-protocols": [

SaifShovon

login_page.php

<form action="verify.php" method="post"> 
    User Name:<br> 
    <input type="text" name="username"><br><br> 
    Password:<br> 
    <input type="password" name="password"><br><br> 
    <input type="submit" name="submit" value="Login"> 
</form> 
verify.php