* This file is a part of Tuleap.
 *
 * Tuleap 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 2 of the License, or
 * (at your option) any later version.
 *
 * Tuleap 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 Tuleap. If not, see <http://www.gnu.org/licenses/>.
 */
// format : project_id  tracker_id  artifact_id value [comment]
if ($argc < 2) {
    die('Usage: ' . $argv[0] . ' artifact_id' . PHP_EOL);
}
$serverURL = getenv('TULEAP_SERVER') ? getenv('TULEAP_SERVER') : 'http://sonde.cro.enalean.com';
$login = getenv('TULEAP_USER') ? getenv('TULEAP_USER') : 'testman';
$password = getenv('TULEAP_PASSWORD') ? getenv('TULEAP_PASSWORD') : 'testpwd';
$soapLogin = new SoapClient($serverURL . '/soap/?wsdl', array('cache_wsdl' => WSDL_CACHE_NONE));
// Establish connection to the server
$requesterSessionHash = $soapLogin->login($login, $password)->session_hash;
//save values
$artifact_id = $argv[1];
// Connecting to the soap's tracker client
$soapTracker = new SoapClient($serverURL . '/plugins/tracker/soap/?wsdl', array('cache_wsdl' => WSDL_CACHE_NONE));
$response = $soapTracker->getArtifactHistory($requesterSessionHash, $artifact_id);
var_dump($response);
<?php

///////////////////////////////////////
// Configuration part
$test_server = 'http://' . $_SERVER['SERVER_ADDR'] . ':' . $_SERVER['SERVER_PORT'];
$login = '******';
$password = '******';
$group_id = 101;
$tracker_id = 102;
$artifact_id = 26;
///////////////////////////////////////
try {
    $client_tracker_v5 = new SoapClient($test_server . '/plugins/tracker/soap/wsdl?wsdl', array('trace' => 1, 'exceptions' => 0, 'soap_version' => SOAP_1_1, 'cache_wsdl' => 0));
    $client = new SoapClient($test_server . '/soap/codendi.wsdl.php?wsdl', array('trace' => 1, 'exceptions' => 0, 'soap_version' => SOAP_1_1, 'cache_wsdl' => 0));
    $session = $client->login($login, $password);
    $session_hash = $session->session_hash;
    $user_id = $session->user_id;
    echo 'User ' . $login . ' (user_id=' . $user_id . ') is logged with session hash = ' . $session_hash . '<br>';
    echo '<h1>Get artifact history of artifact  # ' . $artifact_id . ' in tracker ' . $tracker_id . ' in project ' . $group_id . '</h1>';
    echo '<h3>function getArtifactHistory</h3>';
    $history = $client_tracker_v5->getArtifactHistory($session_hash, $group_id, $tracker_id, $artifact_id);
    var_dump($history);
} catch (SoapFault $fault) {
    var_dump($fault);
}