php - Get email with facebook SDK 4.0 -

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this code have. i'm trying user email can't. yesterday i've getting email correctly i've deleted file mistake. i'm missing now?

in login_fb.php i'm calling email this: echo $_session['email'];

session_start(); //added in v4.0.0 require_once 'autoload.php'; use facebook\facebooksession; use facebook\facebookredirectloginhelper; use facebook\facebookrequest; use facebook\facebookresponse; use facebook\facebooksdkexception; use facebook\facebookrequestexception; use facebook\facebookauthorizationexception; use facebook\graphobject; use facebook\entities\accesstoken; use facebook\httpclients\facebookcurlhttpclient; use facebook\httpclients\facebookhttpable;  //init app app id , secret facebooksession::setdefaultapplication( '','' ); //login helper redirect_uri $helper = new facebookredirectloginhelper('http://www.myurl/facebook/fbconfig.php' );  try {     $session = $helper->getsessionfromredirect(); } catch( facebookrequestexception $ex ) {     //when facebook returns error } catch( exception $ex ) {     //when validation fails or other local issues }  if (isset($session)) {      $request = new facebookrequest( $session, 'get', '/me?locale=en_us&fields=name,first_name,last_name,email,gender' );     $loginurl = $helper->getloginurl( array(         'scope' => 'email'     ));        $response = $request->execute();      //response     $graphobject    = $response->getgraphobject();     $fbid           = $graphobject->getproperty('id');          // facebook id     $full_name      = $graphobject->getproperty('name');        // facebook full name     $first_name     = $graphobject->getproperty('first_name');  // facebook first name     $last_name      = $graphobject->getproperty('last_name');   // facebook last name      $email          = $graphobject->getproperty('email');       // facebook email     $birthday       = $graphobject->getproperty('birthday');    // facebook birthday     $gender         = $graphobject->getproperty('gender');      // facebook gender      /* ---- session variables -----*/     $_session['fbid']       = $fbid;                $_session['full_name']  = $full_name;     $_session['first_name'] = $first_name;     $_session['last_name']  = $last_name;     $_session['email']      = $email;     $_session['birthday']   = $birthday;     $_session['gender']     = $gender;      /* ---- header location after session ----*/     header("location: ../login_fb.php");  } else {     $loginurl = $helper->getloginurl();     header("location: ".$loginurl); }

you calling $helper->getloginurl twice. first time have email in scope, not doing function’s return value; , second time don’t ask permissions @ all.

remove first call method completely. calling more once lead problems random state value gets stored session. , add permission scope in remaining call, before redirect url.

fyi: automatically redirecting users login dialog considered bad practice , bad ux; while o.k. testing purposes, in real, user-facing app should trigger login when user requests it.


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