web services - Call SAP webservice from SAP by php with parameters -


i know how call sap webservice php, how can send parameters request?

i tried following:

    #define authentication    $soap_auth = array( 'login'    => 'user',                       'password' => 'password');    #specify wsdl   $wsdl = "http://xxxxxx/sap/bc/srt/wsdl/bndg_e417ca96fb8a5ff1b4a8000c293c9303/wsdl11/allinone/standard/document?sap-client=100";    #create client object, download , parse wsdl   $client = new soapclient($wsdl,$soap_auth);    $head_data = new stdclass();   $head_data->material = 'wm-999996';   $head_data->indsector = 'm';   $head_data->matltype = 'fert';   $head_data->basicview = 'x';    #setup input parameters (sap likes capitalise parameter names)   $params = array(           'headdata' => $head_data   );    #call operation (function). catch , display errors   try   {      $result = $client->standardmaterialsavedata($params);   }   catch (soapfault $exception)   {       print "***caught exception***\n";       print_r($exception);       print "***end exception***\n";       die();   }    #out results   print_r($result);

but gives me following error: soap-error: encoding: object has no 'headdata' property

i think following lines wrong: 

  $head_data = new stdclass();   $head_data->material = 'wm-999996';   $head_data->indsector = 'm';   $head_data->matltype = 'fert';   $head_data->basicview = 'x';

can please me , tell me how add head_data variable correctly onto webservice call?


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