note 78373 added to language.oop5.overloading

egingell at sisna dot com - 
  Use of __call makes "overloading" possible also,
although somewhat clunky...  i.e.
<?php
class overloadExample
{
  function __call($fName, $fArgs)
  {
    if ($fName == 'sum')
    {
      if (count ($fArgs) === 1)
      {
        return $fArgs[0];
      }
      else
      {
        $retVal = 0;
        foreach( $fArgs as $arg )
        {
          $retVal += $arg;
        }
        return $retVal;
      }
    }
  }
}

/*
Simple and trivial I realize, but the point is made.  Now an
object of class overloadExample can take 
*/
echo $obj->sum(4); // returns 4
echo $obj->sum(4, 5); // returns 9
?>
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