Neos\Eel\Tests\Unit\ArrayHelperTest::joinExamples PHP Method

    public function joinExamples()
    {
        return ['words with default separator' => [['a', 'b', 'c'], null, 'a,b,c'], 'words with custom separator' => [['a', 'b', 'c'], ', ', 'a, b, c'], 'empty array' => [[], ', ', '']];
    }