Phillips Hue: Dance Party

dance-party.php

<?php

/*
 * Make your Hue lights dance -- a very rudimentary Hue control script
 */

$ip   = 'your-ip-here';
$user = 'your-username-here';

$lights = array_flip(array(1,2)); // 3,4,5, etc
foreach ($lights as $lightId => $noOneCares) {
    $lights[$lightId] = curl_init();
    curl_setopt_array($lights[$lightId], [
        CURLOPT_URL            => "http://$ip/api/$user/lights/$lightId/state",
        CURLOPT_CUSTOMREQUEST  => 'PUT',
        CURLOPT_RETURNTRANSFER => true,
    ]);
}

while(1) {
    foreach ($lights as $lightId => $curlObj) {
        $delay = rand(1,3); // read 100-300ms
        $danceValue = json_encode([
            'on'  => true,
            'sat' => rand(100,255), // mostly saturated colors
            'bri' => rand(175,255), // mostly bright
            'hue' => rand(0,65535), // all over the spectrum
            'transitiontime' => $delay, // slight smidge of delays
        ]);
        curl_setopt_array($curlObj, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_POSTFIELDS     => $danceValue,
            CURLOPT_HTTPHEADER     => array('Content-Type: application/json', 'Content-Length: ' . strlen($danceValue)),
        ]);
        curl_exec($curlObj);
        usleep(100000 * $delay);
    }
}