6    $renderer = 
$DIC->ui()->renderer();
 
    9    $i = 
$f->icon()->standard(
'NONE', 
'DummyIcon');
 
   10    $default_icons = 
$i->getAllStandardHandles();
 
   13    foreach ($default_icons as $icon) {
 
   14        $i = 
$f->icon()->standard($icon, $icon, 
'medium');
 
   15        $buffer[] = $renderer->render(
$i)
 
   19        . 
$lng->txt(
"obj_$icon");
 
   22    return implode(
'<br><br>', $buffer);
 
An exception for terminatinating execution or to throw for unit testing.