> function sum_array( $input_array )
> {
>     var $index;
>     var $sum = 0;
>     for( $index = 0; $index < count( $input_array ); $index++ )
>         $sum += $input_array[ $index ];
>     return $sum;
> }

The array variable issue has indeed bitten me a couple of times, so now all
my arrays are called $<something>_arr. It would nice to introduce more
runtime checking of array types and complaints in case non-array values are
used in functions. But otherwise the strong type checking will just cause
more problems and more overhead with calls. I don't know if the example
above will help that much, but you could already write similar code in
functions to make sure that the values are declared on top, to make things


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