all-photos-of-user.php

<?php
session_start();
require_once __DIR__ . '/src/Facebook/autoload.php';

$fb = new Facebook\Facebook([
	'app_id' => '298825430560300',
	'app_secret' => '4ac8cfdbd7eb8f655606244856d7e610',
	'default_graph_version' => 'v2.9',
]);

$helper = $fb->getRedirectLoginHelper();
$permissions = ['user_photos']; // optionnal

try {
	if (isset($_SESSION['facebook_access_token'])) {
		$accessToken = $_SESSION['facebook_access_token'];
	} else {
		$accessToken = $helper->getAccessToken();
	}
} catch (Facebook\Exceptions\FacebookResponseException $e) {
	// When Graph returns an error
	echo 'Graph returned an error: ' . $e->getMessage();
	exit;
} catch (Facebook\Exceptions\FacebookSDKException $e) {
	// When validation fails or other local issues
	echo 'Facebook SDK returned an error: ' . $e->getMessage();
	exit;
}

if (isset($accessToken)) {
	if (isset($_SESSION['facebook_access_token'])) {
		$fb->setDefaultAccessToken($_SESSION['facebook_access_token']);
	} else {
		$_SESSION['facebook_access_token'] = (string) $accessToken;

		// OAuth 2.0 client handler
		$oAuth2Client = $fb->getOAuth2Client();

		// Exchanges a short-lived access token for a long-lived one
		$longLivedAccessToken = $oAuth2Client->getLongLivedAccessToken($_SESSION['facebook_access_token']);

		$_SESSION['facebook_access_token'] = (string) $longLivedAccessToken;

		$fb->setDefaultAccessToken($_SESSION['facebook_access_token']);
	}

	// validating the access token
	try {
		$request = $fb->get('/me');
	} catch (Facebook\Exceptions\FacebookResponseException $e) {
		// When Graph returns an error
		if ($e->getCode() == 190) {
			unset($_SESSION['facebook_access_token']);
			$helper = $fb->getRedirectLoginHelper();
			$loginUrl = $helper->getLoginUrl('http://livewebsite.org/Facebook/all-photos-of-user.php', $permissions);
			echo "<script>window.top.location.href='" . $loginUrl . "'</script>";
		}
		exit;
	} catch (Facebook\Exceptions\FacebookSDKException $e) {
		// When validation fails or other local issues
		echo 'Facebook SDK returned an error: ' . $e->getMessage();
		exit;
	}

	// getting all photos of user
	try {
		$photos_request = $fb->get('/me/photos?limit=100&type=uploaded');
		$photos = $photos_request->getGraphEdge();
	} catch (Facebook\Exceptions\FacebookResponseException $e) {
		// When Graph returns an error
		echo 'Graph returned an error: ' . $e->getMessage();
		exit;
	} catch (Facebook\Exceptions\FacebookSDKException $e) {
		// When validation fails or other local issues
		echo 'Facebook SDK returned an error: ' . $e->getMessage();
		exit;
	}

	$all_photos = array();
	if ($fb->next($photos)) {
		$photos_array = $photos->asArray();
		$all_photos = array_merge($photos_array, $all_photos);
		while ($photos = $fb->next($photos)) {
			$photos_array = $photos->asArray();
			$all_photos = array_merge($photos_array, $all_photos);
		}
	} else {
		$photos_array = $photos->asArray();
		$all_photos = array_merge($photos_array, $all_photos);
	}

	foreach ($all_photos as $key) {
		$photo_request = $fb->get('/'.$key['id'].'?fields=images');
		$photo = $photo_request->getGraphNode()->asArray();
		echo '<img src="'.$photo['images'][1]['source'].'"><br>';
    }
} else {
	$helper = $fb->getRedirectLoginHelper();
	$loginUrl = $helper->getLoginUrl('http://livewebsite.org/Facebook/all-photos-of-user.php/', $permissions);
	echo "<script>window.top.location.href='".$loginUrl."'</script>";
}