Executing a string

[Todd Cary <todd@xxxxxxxxxxxxxxxxxx>]

If I have

$myStr = "$a * $b";

and I pass it as an argument

$result = myFunction($myStr);

function myFunction($var) {
  $a = getData(1);
  $b = getData(2);

  return // Use $var
}

Is there a way to use $var to process $a and $b?

Todd

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