// ----------------------
    // -- class A
    $strId    = 'id_1234';
    $strClass = 'classname';
    $arParams = array('pluginid' => 'monitor', 'title' => 'Monitor', ...);

    $strClone = 'openForm(desktop(),"'.$strId.'","'.$strClass.'",'.$arParams.');';

    $this->menu = array( "clone" => $strClone, ... );

    // ----------------------
    // -- class B
    // loop through $this->menu, then..
    {
      eval( $this->menu[$item] );
    }

    // ----------------------
    // -- class C
    function openForm( $owner, $id, $class, $params )
    {
      ...
    }

$ar = array('a' => 'value1', 'b' => 'value2');
$str = "something";

$run = " a('".$str."', $ar); "; // this line may be changed

// this is done to represent the loss of the variables in another class
unset($ar);
unset($str);

// $run is kept
eval( $run );

function a($str, $ar) {
    echo "$str="         . $str      . "<br>";
    echo "$ar['a']="     . $ar['a']    . "<br>";
    echo "$ar['b']="     . $ar['b']    . "<br>";
}

$run = " a('".$str."', $ar); ";

$run = " a('$str', ". var_export($ar, true) ."); ";

a('something', array(
  'a' => 'value1',
  'b' => 'value2',
));

$arParams = 'array("pluginid" => "monitor", "title" => "Monitor", ...)';

$strParams = " array(";
foreach($arParams as $strKey => $strVal) {
   $strParams .= "'".$strKey."' => '".$strVal."',";
}
$strParams = substr($strParams, 0, -1) . ") ";

// later on
... => " openForm(desktop(),'".$strId."','".$strClass."',".$strParams."); "