vishnu1991

<?php
$bg_img='bg.jpg';  //path to background (JPG ext) 
$logo_img='logo.png'; // path to logo (PNG ext.)

list($width_of_bg, $height_of_bg) = getimagesize($bg_img);   // to calculate background image width and height
list($width_of_logo, $height_of_logo) = getimagesize($logo_img);  //to calculate logo image width and height

//for bottom right
$logo_loc_width=$width_of_bg-$width_of_logo;  
$logo_loc_height=$height_of_bg-$height_of_logo;

vishnu1991

<?php
// parameters
$hubVerifyToken = 'TOKEN123456abcd';
$accessToken = "xxx";

// check token at setup
if ($_REQUEST['hub_verify_token'] === $hubVerifyToken) {
  echo $_REQUEST['hub_challenge'];
  exit;
}