$array = array('john', 'city', 'small'); $rand = Arrays::randElement($array);
public static function randElement($elements) { return $elements ? $elements[array_rand($elements)] : null; }
/** * @test */ public function shouldReturnNullIfNotFindRandomElement() { //given $array = array(); //when $result = Arrays::randElement($array); //then $this->assertNull($result); }