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  Classes of Yasir Siddiqui  >  Instagram API integration with PHP  >  redirect.php  >  Download  
File: redirect.php
Role: Example script
Content type: text/plain
Description: Example script
Class: Instagram API integration with PHP
Access an Instagram user account with its API
Author: By
Last change:
Date: 1 year ago
Size: 2,180 bytes
 

Contents

Class file image Download
<?php 
/**
 * Instagram PHP implementation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
/**
 * 
 * This script servers two main functionalities
 * If user has not been autheticated by Instagram then it will redirect user to Instagram server
 * Once Instagram authrizes user then it will get code returned by instagram, get Access Token and save it into the session
 * 
 */

session_start();

require_once 
'config.php';
require_once 
'Class.Instagram.php';


if(isset(
$_GET['error'])&&$_GET['error']!="") {
    
    echo 
"You Need to grant access to the application in order to continue!";
    exit;    
}

if(isset(
$_GET['code'])&&$_GET['code']!="") {
    
    
/**
     * InstaGram redirected to our URL with Code
     * So use this code to get Access Token from InstaGram for further opeartions
     */
    
$instgram  = new Instagram();
    
$accesstoken $instgram->getAccessTokenFromCode($_GET['code']);

    if(
$accesstoken!="") {
        
        
$_SESSION['AccessToken'] = $accesstoken;
        
$_SESSION['UserId']      = $instgram->getUserId();
        
$_SESSION['FullName']     = $instgram->getUserFullName();
        
$_SESSION['Thumbnail']      = $instgram->getUserThumb();
        
        
header("Location: index.php");
        exit;

    }
    
}

/**
 * If op is set to "getauth" it means user has not been authorized so we need to redirect user to Instagram server
 * and get authorization code
 *
 */
if(isset($_GET['op']) && $_GET['op']=="getauth") {
    
    
header("Location: ".sprintf($urlconfig['authorization_url'],$appconfig['client_id'],$appconfig['redirect_url']));
    exit;
    
}