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<?php

// Tableau server details
$tableauServerUrl = 'https://dub01.online.tableau.com';
$name = 'coefficient2';
$secret = 'yKHsYWffQ6WwVdkafm0UQQ==:3s4Ml6EOXErsWVVF2S0BP0ZzVCzIoLn2';

// API version
$apiVersion = '3.12'; // Use the appropriate API version

// Set the URL for authentication
$authUrl = "$tableauServerUrl/api/$apiVersion/auth/signin";

// Create a request body
$data = array(
    'credentials' => array(
        'personalAccessTokenName' => $name,
        'personalAccessTokenSecret' => $secret,
        'site' => array(
            'contentUrl' => 'hsplus'
        )
    )
);

// Initialize cURL session
$ch = curl_init($authUrl);

// Set cURL options
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'Content-Type: application/json',
    'Accept: application/json'
));

// Execute cURL request
$response = curl_exec($ch);

// Close cURL session
curl_close($ch);

// Decode the JSON response
$responseData = json_decode($response, true);

// Extract token
$token = $responseData['credentials']['token'];

// Display the token
echo "Token: $token";

?>