[MapServer-dev] PHP mapscript-ng problem using map->setLayersDrawingOrder()

[Seth G]

Hi,

You are correct re the note - this has only been implemented in Python MapScript - see https://github.com/MapServer/MapServer/blob/893d9a48e1956a1e039ce5e44eed5466dd5e7907/src/mapscript/python/pyextend.i#L268.
You could try and add an equivalent to the PHP MapScript but you'd need to know the PHP C-API (which I do not!). It would be added to https://github.com/MapServer/MapServer/blob/main/src/mapscript/phpng/php7module.i

Alternatively, you could write your own helper function in PHP using the moveLayerDown and moveLayerUp methods in mapObj and the mapscript.layerObj index property to get your desired layer order - https://mapserver.org/mapscript/mapscript-api/stub/mapscript.mapObj.html#mapscript.mapObj

Seth


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On Tue, Sep 24, 2024, at 1:20 PM, Worth Lutz via MapServer-dev wrote:
> Hi All,
> 
> I'm trying to do an upgrade to MapServer v8 and Mapscript-ng. I'm unable to get $map->setLayersDrawingOrder($layerOrderArrayOfIntegers) to work. I get this error:
> 
>     Expected SWIGTYPE_p_int for argument 2 of mapObj_setLayersDrawingOrder
> 
> I'm assuming it is because of this note in the documentation:
> 
>     Note Unless the proper typemap is implemented for the module’s language users will not be able to pass arrays or lists to this method and it will be unusable.
> 
> I spent yesterday looking at SWIG and typemaps but as I do not use C I did not understand what I was reading.
> 
> Is there anything I can do to use setLayersDrawingOrder in my code?
> 
> Thanks,
> -- 
> *Worth Lutz*
> 
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