<?php
$someObject->someFunction("some", "parameter")
->someOtherFunc(23, 42)->
    someOtherFunc2($one, $two)

 ->someOtherFunc3(23, 42)
    ->andAThirdFunction();

    $someObject->someFunction("some", "parameter")
        ->someOtherFunc(23, 42);

$someObject->someFunction("some", "parameter")->someOtherFunc(23, 42);

$someObject->someFunction("some", "parameter")
        ->someOtherFunc(23, 42);

?>