public function testFlatten()
{
$list = array(1, array(2), array(3, array(array(array(4)))));
// from js
$this->assertEquals(array(1, 2, 3, 4), __u::flatten($list), 'can flatten nested arrays');
$this->assertEquals(__u::flatten($list, true), array(1, 2, 3, array(array(array(4)))), 'can shallowly flatten nested arrays');
$func = function () {
return __u::flatten(func_get_args());
};
$result = $func(1, array(2), array(3, array(array(array(4)))));
$this->assertEquals(array(1, 2, 3, 4), $result, 'works with arguments');
// docs
$list = array(1, array(2), array(3, array(array(4))));
$this->assertEquals(array(1, 2, 3, 4), __u::flatten($list));
$this->assertEquals(array(1, 2, 3, array(array(4))), __u::flatten($list, true));
}