"Object reference not set to an instance of an object" error connecting to SOAP server from PHP

php soap soap-client

You're close. Looking at the WSDL the InventoryList method takes an object called "request". Modify your call line slightly:

$client->InventoryList(array("request" => array("LoginId" => $login_id, "Password" => $password));

php soap soap-client

Probably it's not the same case but it also gives the same error if you don't specify empty strings in fields you don't need to use, taken from http://www.sitepoint.com/forums/showthread.php?755549-SOAP-XML-Object-reference-not-set-to-an-instance-of-an-object

php soap soap-client

I my case the problem was in typo:

In given docs the filed name was documentShipmentAddress (and I was using this)

but in wdsl (schema) was:

shipmentAddress

So that could be the problem with this error message.I have changed the field name to shipmentAddress and it solved the problem.

CodeHunter