public static function chunk($index = null, $count = 25)
{
if (!is_array(self::$stomach)) {
return new static();
}
$results = array();
// 0-based index with `vomit($index)`
// `Mecha::eat($foo)->chunk(25)->vomit(1);`
if (func_num_args() === 1) {
$count = $index;
$index = null;
}
$chunk = array_chunk(self::$stomach, $count, true);
// 1-based index with `chunk($index)`
// `Mecha::eat($foo)->chunk(2, 25)->vomit();`
if (!is_null($index)) {
$chunk = isset($chunk[$index - 1]) ? $chunk[$index - 1] : false;
self::$stomach = $chunk ? array_values($chunk) : array();
// `Mecha::eat($foo)->chunk(null, 25)->vomit()`
} else {
self::$stomach = $chunk;
}
return new static();
}
