already thought of a small improvement:
function traceHandler (
$file = string;fullpath,
$lineNumber = integer,
$functionName = string,
$eventIsStartOfFunction=boolean, // false = being called at exit of
the function
$arguments = array(
'[&]$argumentVariableName' => anyVariable,
....
),
$localVariables = array(
'localVariableName' => anyVariable,
....
),
ADDED : $returnVariable = anyVariable // === null if
$eventIsStartOfFunction===false
) {
//do something
}

