public function splitExamples()
{
return ['split' => ['My hovercraft is full of eels', ' ', null, ['My', 'hovercraft', 'is', 'full', 'of', 'eels']], 'NULL separator' => ['The bad parts', null, null, ['The bad parts']], 'empty separator' => ['Foo', '', null, ['F', 'o', 'o']], 'empty separator with limit' => ['Foo', '', 2, ['F', 'o']]];
}