SuiteTalk (Web Services) Platform Guide - NetSuite

Getting StartedUsing Web Services with PHP28ProblemPerformance issue:Every time a web services request executes,PHP performs a GET on the wsdl.You have made a change in your php.ini file,yet the value you set is not respected.SolutionLook for property soap.wsdl_cache_dir in the php.ini file andmake sure that the specified folder ("/tmp" -> c:\tmp) exists inthe host.Make sure that the php.ini properties exist only once in the file(in other words, make sure error_reporting is defined onlyonce).SuiteTalk Platform Guide