<?php
 
$craneids_json = file_get_contents("php://stdin");
$craneids_array = json_decode($craneids_json, true);
 
$i = 0;
/* Error on following line */
 
while ($craneids_array['craneIDs'][$i]) {
    print_r($craneids_array['craneIDs'][$i]['craneID']);
    echo "<br />";
    $i++;
}

PD9waHAKCiRjcmFuZWlkc19qc29uID0gZmlsZV9nZXRfY29udGVudHMoInBocDovL3N0ZGluIik7CiRjcmFuZWlkc19hcnJheSA9IGpzb25fZGVjb2RlKCRjcmFuZWlkc19qc29uLCB0cnVlKTsKCiRpID0gMDsKLyogRXJyb3Igb24gZm9sbG93aW5nIGxpbmUgKi8KCndoaWxlICgkY3JhbmVpZHNfYXJyYXlbJ2NyYW5lSURzJ11bJGldKSB7CiAgICBwcmludF9yKCRjcmFuZWlkc19hcnJheVsnY3JhbmVJRHMnXVskaV1bJ2NyYW5lSUQnXSk7CiAgICBlY2hvICI8YnIgLz4iOwogICAgJGkrKzsKfQ==

ewogICAgJnF1b3Q7Y3JhbmVJRHMmcXVvdDs6IFt7CiAgICAgICAgJnF1b3Q7Y3JhbmVJRCZxdW90OzogJnF1b3Q7UjAxJnF1b3Q7CiAgICB9LCB7CiAgICAgICAgJnF1b3Q7Y3JhbmVJRCZxdW90OzogJnF1b3Q7UjAyJnF1b3Q7CiAgICB9LCB7CiAgICAgICAgJnF1b3Q7Y3JhbmVJRCZxdW90OzogJnF1b3Q7UjA0JnF1b3Q7CiAgICB9LCB7CiAgICAgICAgJnF1b3Q7Y3JhbmVJRCZxdW90OzogJnF1b3Q7UjA4JnF1b3Q7CiAgICB9LCB7CiAgICAgICAgJnF1b3Q7Y3JhbmVJRCZxdW90OzogJnF1b3Q7UjA5JnF1b3Q7CiAgICB9LCB7CiAgICAgICAgJnF1b3Q7Y3JhbmVJRCZxdW90OzogJnF1b3Q7UjEwJnF1b3Q7CiAgICB9LCB7CiAgICAgICAgJnF1b3Q7Y3JhbmVJRCZxdW90OzogJnF1b3Q7UjE2JnF1b3Q7CiAgICB9LCB7CiAgICAgICAgJnF1b3Q7Y3JhbmVJRCZxdW90OzogJnF1b3Q7VEMwMSZxdW90OwogICAgfSwgewogICAgICAgICZxdW90O2NyYW5lSUQmcXVvdDs6ICZxdW90O1QwNiZxdW90OwogICAgfSwgewogICAgICAgICZxdW90O2NyYW5lSUQmcXVvdDs6ICZxdW90O1QwOCZxdW90OwogICAgfSwgewogICAgICAgICZxdW90O2NyYW5lSUQmcXVvdDs6ICZxdW90O1QwOC8yJnF1b3Q7CiAgICB9LCB7CiAgICAgICAgJnF1b3Q7Y3JhbmVJRCZxdW90OzogJnF1b3Q7VDEyJnF1b3Q7CiAgICB9XQp9

{
    "craneIDs": [{
        "craneID": "R01"
    }, {
        "craneID": "R02"
    }, {
        "craneID": "R04"
    }, {
        "craneID": "R08"
    }, {
        "craneID": "R09"
    }, {
        "craneID": "R10"
    }, {
        "craneID": "R16"
    }, {
        "craneID": "TC01"
    }, {
        "craneID": "T06"
    }, {
        "craneID": "T08"
    }, {
        "craneID": "T08/2"
    }, {
        "craneID": "T12"
    }]
}