/**
* Set the stop words array.
*
* @param array $words
* @return void
*/
public function setStopWords(array $words)
{
$this->stopWords = Ary::flatten(array_map(function ($w) {
return Str::normalize($w);
}, $words));
}
public function testFlatten()
{
$this->assertEquals(['a', 'b', 'c', 'd', 'e'], Ary::flatten([['a', ['b', ['c']]], 'd', ['e']]));
$this->assertEquals([1, 2, 3, 4, 5], Ary::flatten([[1, [2, 3], [[4, [5]]]]]));
}