<?php
$callback = isset($_GET['callback']) ? $_GET['callback'] : '';
$u = isset($_GET['u']) ? $_GET['u'] : 'https://www.broadwayworld.com/ifeed_top.cfm';

// Rewrite old URLs
if ($u === 'http://www.broadwayworld.com/ifeed_top.cfm') {
    $u = 'https://www.broadwayworld.com/ifeed_top-v2.cfm';
}
if ($u === 'http://www.broadwayworld.com/ifeed_specials.cfm') {
    $u = 'https://www.broadwayworld.com/ifeed_specials-v2.cfm';
}

// Replace http with https
$u = str_replace('http://', 'https://', $u);

// Fetch the URL
$ch = curl_init($u);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 2);
$response = curl_exec($ch);
curl_close($ch);

$jsonEncoded = json_encode(trim($response));

// Strip leading "//" if present
if (strpos($jsonEncoded, '//') === 0) {
    $jsonEncoded = substr($jsonEncoded, 2);
}

$output = '{
"responseData" :
' . $jsonEncoded . '
}';

if (!empty($callback)) {
    echo $callback . '(' . $output . ')';
} else {
    echo $output;
}