instagramLatestPosts Snippet for MODX Revolution

instagramLatestPosts.php

<?php
/**
 * instagramLatestPosts
 *
 * DESCRIPTION
 *
 * This Snippet return latest posts from Instagram as iframe embed.
 *
 * PROPERTIES:
 *
 * &url required
 * &tpl required
 * &limit optional int
 *
 * USAGE:
 *
 * [[instagramLatestPosts?
 *    &url=`https://www.instagram.com/{username}/?__a=1`
 *    &limit=`5`
 *    &tpl=`@CODE:
 *        <figure>
 *            <a href="https://www.instagram.com/p/[[+shortcode]]/" target="_blank">
 *                <img src="[[+img]]" width="[[+img.width]]" height="[[+img.height]]">
 *            </a>
 *            <figcaption>
 *                [[+content]]
 *            </figcaption>
 *        </figure>
 *    ` ]]
 *
 */

# vars
$inlineTplPrefix = '@CODE:';
$tpl = $modx->getOption('tpl', $scriptProperties, $inlineTplPrefix . ' ');
$url = $modx->getOption('url', $scriptProperties, false);
$limit = $modx->getOption('limit', $scriptProperties, 5);

# init modx rest service
$client = $modx->getService('rest', 'rest.modRest');
$client->setOption('timeout', 2);
$client->setOption('header', true);

# send request
$response = $client->get($url);

# catch login error
if ($response->responseError) {
    $modx->log(
        modX::LOG_LEVEL_ERROR,
        '[instagramLatestPosts] ' . $response->responseError
    );
    return;
}

# get posts from response
$jsonData = json_decode($response->responseBody, true);
$instagramPosts =
    $jsonData['graphql']['user']['edge_owner_to_timeline_media']['edges'];
if (!is_array($instagramPosts)) {
    return;
}

# slice array
$instagramPosts = array_slice($instagramPosts, 0, $limit);

# set placeholders
$placeholders = [];
foreach ($instagramPosts as $postNode) {
    $post = $postNode['node'];
    $placeholders[] = [
        'date' => $post['taken_at_timestamp'],
        'username' => $post['owner']['username'],
        'img' => $post['display_url'],
        'img.width' => $post['dimensions']['width'],
        'img.height' => $post['dimensions']['height'],
        'content' => $post['edge_media_to_caption']['edges'][0]['node']['text'],
        'shortcode' => $post['shortcode'],
    ];
}

# return
$output = [];
if (substr($tpl, 0, strlen($inlineTplPrefix)) == $inlineTplPrefix) {
    $chunk = $modx->newObject('modChunk', [
        'name' => '{tmp}-{' . uniqid() . '}',
    ]);
    $chunk->setCacheable(false);
    $tpl = str_replace($inlineTplPrefix, '', $tpl);
    foreach ($placeholders as $placeholder) {
        $output[] = $chunk->process($placeholder, $tpl);
    }
} else {
    foreach ($placeholders as $placeholder) {
        $output[] = $modx->getChunk($tpl, $placeholder);
    }
}

return implode('', $output);