Super-simple way to grab a few Instagram images and cache them w/ WordPress

readme.md

This is an easy way to integrate a basic Instagram feed into a WordPress site.

wp-instagram.php

<?php
/**
 * Get Instagram Posts
 *
 * Returns an array of posts in the following format:
 * content - Image Url
 * platform - instagram as String
 * popularity - Total number of Likes
 * url - Link to view the image on instagram
 * date - date it was posted
 *
 * This function utilises Wordpress Transients to cache the request and refesh every hour.
 *
 * @param int $count Maximum number of items to return from the instagram request, Instagram limits this to 20 per request
 * @param str $resolution Change the resolution of the items to return: low_resolution, standard_resolution
 * @return array
 *
 */



function get_instagram($user_id = '', $count = 20, $resolution = 'low_resolution'){
	if (get_transient('instagram_feed_' . $user_id)) {
		return get_transient('instagram_feed_' . $user_id);

	} else {
		$access_token = '';
		$instagram = wp_remote_get('https://api.instagram.com/v1/users/'. $user_id .'/media/recent/?access_token=' . $access_token . '&count=' . $count);
		$instagram = json_decode($instagram['body']);

		$instagramPosts = [];

		for ($i = 0; $i < $count; $i++) {
			$post = $instagram->data[$i];
			$instagramPosts[(int)
				$post->created_time] = [
					'content'=>$post->images->{$resolution}->url,
					'platform'=>'instagram',
					'popularity'=>$post->likes->count,
					'url'=>$post->link,
					'date'=>date('M j,Y', $post->created_time)
			];
		}


		set_transient('instagram_feed_' . $user_id, $instagramPosts, HOUR_IN_SECONDS);

		// newest first
		krsort($instagramPosts);

		return $instagramPosts;
	}
}