Just putting a note about this "feature". It cost me about three days of writing recursive wrappers for method results. If shrinking single element sequence into simple elements is considered as additional feature, it shouldn't be enabled by default. Or at least put a note in documentation ... Besides, this feature violates the wsdl xsd definitions.

http://php.net/manual/en/function.soap-soapclient-construct.php#73082

and related bug report

http://bugs.php.net/bug.php?id=36226

It's just me or PHP is really missing concept of doing things.