/** * Test if optional parameters work. */ public function testOptionalParameters() { $this->_piwik->setDate('2011-01-11'); $this->_piwik->setPeriod(Piwik::PERIOD_WEEK); $result = $this->_piwik->getWebsites('', ['flat' => 1]); $this->assertInternalType('array', $result); $this->assertEquals('', implode(',', $this->_piwik->getErrors())); $this->assertEquals(388, $result[0]->nb_visits); }