First Register your domain for linkedin api .
Then get your API_KEY, API_SECRET REDIRECT_URI , SCOPE ...
Run the script .. Njoy :)
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<?php
// Change these
define('API_KEY', ' ' ); /*put API_KEY between ' ' */
define('API_SECRET', ' ' ); /*put between API_SECRET ' '*/
define('REDIRECT_URI', ' '); /*put REDIRECT_URI between ' '*/
define('SCOPE', ' ' ); /*put Scope between ' '*/
session_name('linkedin');
session_start();
$_SESSION['state']="India" // Name the country you live in
;
// OAuth 2 Control Flow
if (isset($_GET['error'])) {
// LinkedIn returned an error
print $_GET['error'] . ': ' . $_GET['error_description'];
exit;
} elseif (isset($_GET['code'])) {
// User authorized your application
if ($_SESSION['state'] == "India") {
// Get token so you can make API calls
getAccessToken();
} else {
// CSRF attack? Or did you mix up your states?
exit;
}
} else {
if ((empty($_SESSION['expires_at'])) || (time() > $_SESSION['expires_at'])) {
// Token has expired, clear the state
$_SESSION = array();
}
if (empty($_SESSION['access_token'])) {
// Start authorization process
getAuthorizationCode();
}
}
// Congratulations! You have a valid token. Now fetch your profile by defining field you wanted
$user = fetch('GET', '/v1/people/~:(id,firstName,lastName,skills,location,industry,network)');
echo "<pre>";
print_r($user);
echo "<pre>";
exit;
function getAuthorizationCode() {
$params = array('response_type' => 'code',
'client_id' => API_KEY,
'scope' => SCOPE,
'state' => uniqid('', true), // unique long string
'redirect_uri' => REDIRECT_URI,
);
// Authentication request
$url = 'https://www.linkedin.com/uas/oauth2/authorization?' . http_build_query($params);
// Needed to identify request when it returns to us
$_SESSION['state'] = $params['state'];
// Redirect user to authenticate
header("Location: $url");
exit;
}
function getAccessToken() {
$params = array('grant_type' => 'authorization_code',
'client_id' => API_KEY,
'client_secret' => API_SECRET,
'code' => $_GET['code'],
'redirect_uri' => REDIRECT_URI,
);
// Access Token request
$url = 'https://www.linkedin.com/uas/oauth2/accessToken?' . http_build_query($params);
// Tell streams to make a POST request
$context = stream_context_create(
array('http' =>
array('method' => 'POST',
)
)
);
// Retrieve access token information
$response = file_get_contents($url, false, $context);
// Native PHP object, please
$token = json_decode($response);
// Store access token and expiration time
$_SESSION['access_token'] = $token->access_token; // guard this!
$_SESSION['expires_in'] = $token->expires_in; // relative time (in seconds)
$_SESSION['expires_at'] = time() + $_SESSION['expires_in']; // absolute time
return true;
}
function fetch($method, $resource, $body = '') {
$params = array('oauth2_access_token' => $_SESSION['access_token'],
'format' => 'json',
);
// Need to use HTTPS
$url = 'https://api.linkedin.com' . $resource . '?' . http_build_query($params);
// Tell streams to make a (GET, POST, PUT, or DELETE) request
$context = stream_context_create(
array('http' =>
array('method' => $method,
)
)
);
// Hocus Pocus
$response = file_get_contents($url, false, $context);
// Native PHP object, please
return json_decode($response);
}
