/**
* @dataProvider arraySet1
*/
public function testWalk($array)
{
// callback function used for mapping
$callable = function ($item) {
if (is_array($item)) {
$item['new'] = 'value';
} else {
$item = $item . '_appended';
}
return $item;
};
$a = new ArrayObject($array);
$a->walk($callable);
array_walk($array, $callable);
$this->assertSame($array, $a->val());
}