How Can I Access a User\'s Email Address Using Facebook\'s Graph API?

Accessing User Email Addresses with Facebook's Graph API

The Graph API enables developers to access a wide range of user information, including email addresses. However, retrieving email addresses requires a specific approach.

Understanding the Permission Requirement

To obtain a user's email address, developers must first request extended permissions for the email field. This is because email addresses are considered sensitive information that requires explicit user consent.

Requesting Extended Permissions

To request extended permissions, pass the scope=email parameter in the query string of the authentication call. This can be done when using Facebook Connect by adding it to the get string of the Auth Dialog call.

Accessing the Email Address

Once extended permissions are granted, developers can use the Graph API to retrieve the user's email address. This can be achieved using the following code:

$json = $facebook->api('/me?fields=email');
$email = $json['email'];

Note that the email field must be specified in the fields parameter of the API call.

Using an SDK for Improved Functionality

Instead of making direct API calls, it is recommended to use an SDK provided by Facebook. SDKs streamline the OAuth authentication process and simplify accessing sensitive information, including email addresses.

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