Description:
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I found that COM ByRef parameters where still being treated as ByVal parameters - only for "out of process" com objects.

I debugged the COM extension (or COM_DOTNET) and found that in function;
php_com_get_id_of_name() (in com_com.c)  
was calling "hr = ITypeInfo_GetIDsOfNames(obj->typeinfo, &olename, 1, dispid);" to get the com object dispatch id from the member name.

For out of process objects this will always return E_NOTIMPL. 
Thus the iTypeInfo object (obj->typeinfo) would be destroyed.
The final result would be that ByRef parameters would NOT be detected.

Easy fix; Just ALWAYS use the IDispatch_GetIDsOfNames and only use iTypeInfo for the ITypeInfo_GetTypeComp call - which is what we need.



Test script:
---------------
//(need MS word) or any app that has a COM interface
$word = new COM("word.application") or die("Unable to instantiate Word");
$word->Visible = 1;
/*
In the com_com.c, place a breakpoint at: 
hr = ITypeInfo_GetIDsOfNames(obj->typeinfo, &olename, 1, dispid);
It will always return E_NOTIMPL then the code deletes obj->typeinfo which
ultimately causes the problem
*/

Expected result:
----------------
If the com object function call used references then the variable would be changed.
Sorry I couldn't find a public COM object off hand that passed variables by reference.