Example For PHP SOAP Client CALL For Magento 2 : Change your magento path , service name and accecs tocken in place of key after word 'Barear'
$request = new SoapClient(
'http://magento2.ce/index.php/soap/? wsdl&services=foggylineSliderSlideRepositoryV1',
array(
'soap_version' => SOAP_1_2,
'stream_context' => stream_context_create(array(
'http' => array(
'header' => 'Authorization: Bearer pk8h93nq9cevaw55bohkjbp0o7kpl4d3')
)
)
)
);
$response = $request-> foggylineSliderSlideRepositoryV1GetById(array('slideId'=>1));
If you magento 2 with having order in database than this will shows you detail of order having id 1 because salesOrderRepositoryV1 is default api provided by magento 2 , for more default apis : http://devdocs.magento.com/guides/v2.0/soap/bk-soap.html
$request = new SoapClient(
'http://192.168.0.54/magento20sample/index.php/soap/default?wsdl&services=salesOrderRepositoryV1',
array(
'soap_version' => SOAP_1_2,
'stream_context' => stream_context_create(array('http'=> array('header' => 'Authorization: Bearer w9vqx2uyenkbvbim6mwochwapq714yox')
'http'=> array('header' => 'Authorization: Bearer w9vqx2uyenkbvbim6mwochwapq714yox')
))
)
);
$response = $request->SalesOrderRepositoryV1Get(array('id' => 1));
hope this will help you ..