mgcash_locker_offers_feed.php

<?php
// For targeting purposes you need to set the ip parameter
$userIp = $_SERVER['REMOTE_ADDR'];
// Also for better targeting you need to pass the user agent
$userAgent = $_SERVER['HTTP_USER_AGENT'];
// How many offers you want to display.
$countOffers = 5;
// if we want to track the completion we can pass subid to an offer URL
$subid = "tracking-param";

$url = "http://mgcash.com/api/?a=get_offers&key=8d54bd0a783a1a4c&".http_build_query(array(
  "ip" => $userIp,
  "ua" => $userAgent,
  "count" => $countOffers,
  // tell to MgCash that we want to receive a JSON response
  "format" => "json"
));

$res = file_get_contents($url);
$offers = json_decode($res);

if(!$offers) {
  print "Error: $res";
  die;
}

foreach($offers as $offer) {
  // append the subid to each offer link
  print '<a href="'.$offer->link.$subid.'">'.htmlspecialchars($offer->title).'</a><br>';
}

Good