Download all the photos on Instagram for a tag. Probably hit API limits for popular tags

save_tagged_photos.php

<?php

/**
 * Get All Photos for a Tag on Instagram
 */

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

$everything = array();
$access_token = 'need access token for Instagram API';

$json = file_get_contents("https://api.instagram.com/v1/tags/lad01/media/recent?access_token={$access_token}");
$result = json_decode($json, true);

$everything[] = $result['data'];

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

// get all pages
while ( isset( $result['pagination']['next_url'] ) ) {
	$json = file_get_contents($result['pagination']['next_url']);
	$result = json_decode($json, true);
	$everything[] = $result['data'];
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

// build an array of image src, permalink, and date
$images = array();

foreach ( $everything as $page ) {
	
	foreach ( $page as $image ) {
		if ( $image['type'] !== 'image' ) {
			continue;
		}

		$images[] = array(
			'date' => $image['created_time'],
			'link' => $image['link'],
			'src' => $image['images']['standard_resolution']['url']
		);
	}

}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

// save all those files locally
$count = 0;
$total = count($images);

foreach ( $images as $image ) {
	$count++;

	// pause every once in a while to not get blocked
	if ( $count % 10 === 0 ) {
		$current = $total - $count;
		echo "<p>Sleeping 10 seconds, $current images left</p>";
		sleep(10);
	}

	$current_images = scandir( '.' );

	$filename = basename( $image );

	if ( ! in_array( $filename, $current_images ) ) {
		$data = file_get_contents( $image );
		if ( file_put_contents( $filename, $data ) ) {
			echo "<p>$filename added</p>";
		}
	}
}