Simple instagram media grabber. Result is cached. Output as JSON.

igfeed.php

<?php

$username = 'sadarkawasan';
$cache_time = 60 * 60 * 2; // seconds
$media = "";

if (file_exists('igfeed.json') && (filemtime('igfeed.json') > (time() - $cache_time ))) {
	$media = file_get_contents('igfeed.json');
} else {
	$html = file_get_contents('https://www.instagram.com/'.$username);

	preg_match('/"nodes": (.+), "count/', $html, $result);

	$media = array_map(function ($node) {
		return [
			'id' => $node->id,
			'code' => $node->code,
			'date' => $node->date,
			'thumbnail' => $node->thumbnail_src,
			'url' => "https://www.instagram.com/p/{$node->code}/"
		];
	}, json_decode($result[1]));
	$media = array_slice($media, 0, 6);
	$media = json_encode($media);

	file_put_contents('igfeed.json', $media);
}

header('Access-Control-Allow-Origin: *');
header('Content-Type: application/json');
echo $media;