File: /home/hp3-linc5-nfs2-z/664/1174664/user/htdocs/research/getdatafromfacebook.php
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<title>Megan Knight - University of Hertfordshire - Social Media Research</title>
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<h5>Megan Knight - University of Hertfordshire</h5>
<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);
// Pass session data over.
session_start();
$userid=$_GET['userid'];
$userid = trim($userid, "'");
//echo $userid;
// Include the required dependencies.
require( '../facebook-php-sdk-5/src/Facebook/autoload.php' );
// Initialize the Facebook PHP SDK v5.
$fb = new Facebook\Facebook([
'app_id' => '2092932830933312',
'app_secret' => '282303ece01dd46a3436dd94606c06ca',
'default_graph_version' => 'v2.9',
// 'default_access_token' => '{access-token}',
]);
// Use one of the helper classes to get a Facebook\Authentication\AccessToken entity.
$helper = $fb->getRedirectLoginHelper();
// $helper = $fb->getJavaScriptHelper();
// $helper = $fb->getCanvasHelper();
// $helper = $fb->getPageTabHelper();
try {
// Get the \Facebook\GraphNodes\GraphUser object for the current user.
// If you provided a 'default_access_token', the '{access-token}' is optional.
$helper->getPersistentDataHandler()->set('state', $_GET['state']);
$accessToken = $helper->getAccessToken();
// var_dump($accessToken);
$response1 = $fb->get('/me?fields=id,name,about,birthday,political,feed,likes,gender', $accessToken);
$response2 = $fb->get('/me/likes?fields=about', $accessToken, 'summary=true');
$response3 = $fb->get('/me/news.reads', $accessToken);
} 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;
}
$me = $response1->getGraphUser();
//echo 'Logged in as ' . $me->getName();
//echo "<br>";
// echo 'ID ' . $me->getId();
$user = $response1->getGraphObject()->asArray();
//likes
$pagesEdge = $response2->getGraphEdge()->asArray();
//news items
//echo "this is response3 again: ";
//print_r ($response3);
//var_dump ($response3);
$newsitems = $response3->getGraphEdge()->asArray();
// echo "this is newsitems again: ";
//echo $newsitems;
//var_dump ($newsitems);
//$newsarray = array_values ($newsobject);
//echo "newsarray is" . $newsarray) "<br>";
// echo "newsobject is" . $newsobject . "<br>";
//print_r(array_keys($newsitems));
//$newsid = $graphNode['id'];
//$newstitle = $graphNode['article'];
//$newsurl = $graphNode['url'];
//echo "<b>this is a news title: </b>" . $newstitle . "<br>";
//
$birthday = $user['birthday'];
$political = $user['political'];
$feedarray = $user['feed'];
$fbid = $user['id'];
$gender = $user['gender'];
//echo $gender;
//calculate age
$age = date_diff($birthday, date_create('today'))->y;
//var_dump ($age);
//generate unique id
//$userid = uniqid('', true);
//echo $userid;
//connect to database
// Create connection
require_once ('../../databaseconnection.php');
//check if user has already participated
$sql = "SELECT * FROM `facebookusers` WHERE `fbid`='{$fbid}'";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
//echo "user already exists";
$usercopy = "TRUE";
} else {
$usercopy = "FALSE";
//insert user into record of participants
$sql = "INSERT INTO facebookusers (fbid)
VALUES ('$fbid')";
if ($conn->query($sql) === TRUE) {
// echo "New record created successfully";
} else {
echo "Error1: " . $sql . "<br>" . $conn->error;
}
//echo "new user created";
}
//echo $usercopy;
//insert user into database
$sql = "INSERT INTO facebookresults (userid,age,political, usercopy, gender )
VALUES ('$userid','$age','$political', '$usercopy', '$gender')";
if ($conn->query($sql) === TRUE) {
//echo "New record created successfully";
} else {
echo "Error2: " . $sql . "<br>" . $conn->error;
}
//insert likes into database
foreach ($pagesEdge as $graphNode) {
if (array_key_exists ('about', $graphNode)){
$likeabout = $graphNode['about'];
$likeabout = str_replace("'", '"', $likeabout);
}
$likeid = $graphNode['id'];
$sql = "INSERT INTO facebooklikes (userid,about, linkid )
VALUES ('$userid','$likeabout','$likeid')";
if ($conn->query($sql) === TRUE) {
//echo "New link record created successfully";
} else {
echo "Error3: " . $sql . "<br>" . $conn->error;
}
}
//insert reads into database
foreach ($newsitems as $graphNode) {
//$newsfield = $graphNode['article'];
//$newsfield = str_replace("'", '"', $newsfield);
//echo "<b>this is a news item: </b>" ;
//print_r ($graphNode);
//echo "<br>";
//print_r (array_keys($graphNode));
echo "<br>";
$newsitemdata = ($graphNode['data']);
foreach ($newsitemdata as $article) {
$articleid=$article['id'];
$articletitle=$article['title'];
$articletitle = str_replace("'", '"', $articletitle);
$articleurl=$article['url'];
$sql = "INSERT INTO facebookreads (userid,articleid, articletitle, articleurl )
VALUES ('$userid','$articleid','$articletitle', '$articleurl')";
if ($conn->query($sql) === TRUE) {
//echo "New link record created successfully";
} else {
echo "Error3: " . $sql . "<br>" . $conn->error;
}
}
}
//insert posts into database
// Create connection
foreach ($feedarray as $feeditem) {
if (array_key_exists ('message', $feeditem)){
$feedmessage = $feeditem['message'];
$feedmessage = str_replace("'", '"', $feedmessage);
}
$feedtime = $feeditem['created_time'];
$feedtime = date_format($feedtime, 'Y-m-d H:i:s');
$feedid = $feeditem['id'];
$sql = "INSERT INTO facebookposts (userid,postmessage, postcreated, postid )
VALUES ('$userid','$feedmessage','$feedtime', '$feedid')";
if ($conn->query($sql) === TRUE) {
Header("Location: surveyform.php?userid=$userid");
} else {
echo "Error4: " . $sql . "<br>" . $conn->error;
}
}
$conn->close();
?>
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