split() public method

Split a collection into a certain number of groups.
public split ( integer $numberOfGroups ) : static
$numberOfGroups integer
return static
 public function testSplitEmptyCollection()
 {
     $collection = new Collection();
     $this->assertEquals([], $collection->split(2)->map(function (Collection $chunk) {
         return $chunk->values()->toArray();
     })->toArray());
 }