<?php

    $graph_url = "https://graph.facebook.com/v2.3/278952135548721/posts?fields=id&limit=1&access_token=CAAGZAwVFNCKgBAANhEYok6Xh7Q7UZBeTZCUqwPDLYhRZCmNn0igI8SE339jSn2zjxCpA1JUmXHm55XKVXslhdKKoTF3b5sLsiZBVd0ylYwX3MIGOnRyzn0T2XVywwoPKP7ML9WZCqELGRuIGxoM8ia05CiUiqcbgsb4wzTuBKkvKaqb7TPt2VnPtprRZBWda4kZD&until=1485414774&__paging_token=enc_AdDX5WR36dqSFFXX0PZCIK7qwF2yFZAm1EFT2jPMAhVTEMyn4DRzyPjT6y6MjPEMwQDIP0z4L2kMp9ITLQlJVbcZCPAH0MljgrMuEvGHNFtNSxlqQZDZD";
    $new = json_decode(file_get_contents($graph_url), true);
    //var_dump($new);
    $latestpostid = $new['data']['0']['id'];
    $testpostid = file_get_contents('ids.txt', NULL, NULL, NULL, 0, 32);
    if($latestpostid == $testpostid) {
    echo "NO NEW POSTS";
    }
    else {
    echo "NEW POSTS";
    unlink("ids.txt");
    file_put_contents('ids.txt', $latestpostid);
    }


?>