data.php

<?php

$options = array(
    CURLOPT_RETURNTRANSFER => true,   // return web page
    CURLOPT_HEADER         => false,  // don't return headers
    CURLOPT_FOLLOWLOCATION => true,   // follow redirects
    CURLOPT_MAXREDIRS      => 10,     // stop after 10 redirects
    CURLOPT_ENCODING       => "",     // handle compressed
    CURLOPT_USERAGENT      => "Monocle-Raids/1.0", // name of client
    CURLOPT_AUTOREFERER    => true,   // set referrer on redirect
    CURLOPT_CONNECTTIMEOUT => 120,    // time-out on connect
    CURLOPT_TIMEOUT        => 120,    // time-out on response
); 

// TODO: Replace me...
$ch = curl_init("/gym_data");

curl_setopt_array($ch, $options);

$content  = curl_exec($ch);

curl_close($ch);

header('Content-Type: application/json');
echo $content;