(PHP ActiveX) Read a Single Facebook Post

Demonstrates how to read the contents of a single Facebook post. A post is an individual entry in a profile's feed. The profile could be a user, page, app, or group.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// This example assumes a previously obtained an access token
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.OAuth2')
$oauth2 = new COM("Chilkat.OAuth2");
$oauth2->AccessToken = 'FACEBOOK-ACCESS-TOKEN';

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Rest')
$rest = new COM("Chilkat.Rest");

// Connect to Facebook...
$success = $rest->Connect('graph.facebook.com',443,1,1);
if ($success != 1) {
    print $rest->LastErrorText . "\n";
    exit;
}

// Provide the authentication credentials (i.e. the access key)
$rest->SetAuthOAuth2($oauth2);

// This example assumes a post id was already retrieved.
// For example, it could've been retrieved by reading the user's feed:
// See Parsing the Facebook User Feed for code showing how to parse the JSON feed content.

$postId = '10224048320139890_10210156138515282';

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder')
$sbPath = new COM("Chilkat.StringBuilder");
$sbPath->Append('/v2.7/');
$sbPath->Append($postId);

// Select the fields we want.
// This example will select almost all the possible fields.
// See https://developers.facebook.com/docs/graph-api/reference/post/
$rest->AddQueryParam('fields','id,message,created_time,caption,description,from,link,name,object_id,picture,place,privacy,properties,shares,source,status_type,story,targeting,to,type,updated_time,with_tags');

$responseJson = $rest->fullRequestNoBody('GET',$sbPath->getAsString());
if ($rest->LastMethodSuccess != 1) {
    print $rest->LastErrorText . "\n";
    exit;
}

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
$json = new COM("Chilkat.JsonObject");
$json->EmitCompact = 0;
$json->Load($responseJson);

// Show the JSON in human-readable format.
print $json->emit() . "\n";

// A sample JSON response is shown here.  
// { 
//   "id": "12345678901234567_12345678900000004",
//   "message": "Ignore my posts -- I'm doing some testing for Facebook related programming...",
//   "created_time": "2016-09-29T20:46:18+0000",
//   "from": { 
//     "name": "John Doe",
//     "id": "12345678901234567"
//   },
//   "link": "https:\/\/www.facebook.com\/photo.php?fbid=10210199026247451&set=a.1237223526054.2038240.1094202869&type=3",
//   "object_id": "10210139026347451",
//   "picture": "https:\/\/scontent.xx.fbcdn.net\/v\/t1.0-9\/14462791_10210199026647451_7830642117574407060_n.jpg?oh=a7f9ed10ce9cd81a82adeb541c60e2e2&oe=58ABB195",
//   "privacy": { 
//     "allow": "",
//     "deny": "",
//     "description": "Public",
//     "friends": "",
//     "value": "EVERYONE"
//   },
//   "status_type": "added_photos",
//   "type": "photo",
//   "updated_time": "2016-09-29T20:46:18+0000"
// }

// This is the code to parse some fields in the JSON response.
print 'type: ' . $json->stringOf('type') . "\n";
print 'message: ' . $json->stringOf('message') . "\n";
print 'id: ' . $json->stringOf('id') . "\n";
print 'link: ' . $json->stringOf('link') . "\n";
print 'privacy descripton: ' . $json->stringOf('privacy.description') . "\n";

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.CkDateTime')
$dtime = new COM("Chilkat.CkDateTime");
$bLocalTime = 1;
$dtime->SetFromTimestamp($json->stringOf('created_time'));
// dt is a Chilkat.DtObj
$dt = $dtime->GetDtObj($bLocalTime);
print $dt->Month . '/' . $dt->Day . '/' . $dt->Year . '  ' . $dt->Hour . ':' . $dt->Minute . "\n";


?>