I'm just going to throw this in: Facebook has developed its own VM for PHP to make it fast enough for their scale. https://www.facebook.com/note.php?note_id=101

I'm just going to throw this in: Facebook has developed its own VM for PHP to make it fast enough for their scale. https://www.facebook.com/note.php?note_id=10150415177928920 https://www.facebook.com/note.php?note_id=10150415177928920