Sketchfab RSS Feed for Staff Picks

composer.json

{
    "require": {
        "suin/php-rss-writer": "^1.3",
        "erusev/parsedown": "^1.6"
    }
}

index.php

<?php
require_once 'vendor/autoload.php';

use Suin\RSSWriter\Channel;
use Suin\RSSWriter\Feed;
use Suin\RSSWriter\Item;

$Parsedown = new Parsedown();
$feed = new Feed();

$url = 'https://api.sketchfab.com/v2/models?flag=staffpicked&sort_by=-publishedAt%2C-processedAt';
$json = file_get_contents($url);
$results = json_decode($json);

$channel = new Channel();
$channel
    ->title("Sketchfab Staff Picks")
    ->description("Sketchfab Staff Picks")
    ->url('https://sketchfab.com/models/staffpicks')
    ->appendTo($feed);

$description = '';

function compareThumbnail($a, $b) {
    return $b->width - $a->width;
}

foreach ($results->results as $model) {
    $thumbs = usort($model->thumbnails->images, 'compareThumbnail');
    $thumbnail = $model->thumbnails->images[0];
    $thumbnailHtml = "<a href='" . $model->viewerUrl . "'><img src='" . $model->thumbnails->images[0]->url . "' alt='" . htmlspecialchars($model->name) . "' width='" . $model->thumbnails->images[0]->width . "' height='" . $model->thumbnails->images[0]->height . "'></a>";
    $description = $thumbnailHtml . "<br>" . $Parsedown->text($model->description);

    $item = new Item();
    $item
        ->title($model->name . ' by ' . $model->user->displayName)
        ->description($description)
        ->url($model->viewerUrl)
        ->appendTo($channel);
}

header('Content-Type: application/rss+xml');
echo $feed;