public function testHasAccessToOriginalPhpFunctions() { $array = Arrays::from($this->array); $array = $array->intersect(array('foo' => 'bar', 'kal' => 'mon')); $this->assertEquals(array('foo' => 'bar'), $array->obtain()); $string = String::repeat('foo', 2); $this->assertEquals('foofoo', $string); $string = String::from(' foo ')->trim(); $this->assertEquals('foo', $string->obtain()); }