<?php return array (
  'a' => 
  array (
    'chunks' => 
    array (
      0 => 
      array (
        0 => 
        array (
          0 => '',
          1 => '1',
          2 => "abc\r\n",
        ),
      ),
    ),
    'chunks_def' => 
    array (
      0 => 
      array (
        0 => 
        array (
          0 => '0',
          1 => '0',
        ),
        1 => 
        array (
          0 => '1',
          1 => 1,
        ),
      ),
    ),
  ),
);