VFREEBUSY; $tz = new \DateTimeZone('UTC'); $this->assertFalse($vfb->isFree(new \DateTime('2012-09-12 01:15:00', $tz), new \DateTime('2012-09-12 01:45:00', $tz))); $this->assertFalse($vfb->isFree(new \DateTime('2012-09-12 08:05:00', $tz), new \DateTime('2012-09-12 08:10:00', $tz))); $this->assertFalse($vfb->isFree(new \DateTime('2012-09-12 10:15:00', $tz), new \DateTime('2012-09-12 10:45:00', $tz))); // Checking whether the end time is treated as non-inclusive $this->assertTrue($vfb->isFree(new \DateTime('2012-09-12 09:00:00', $tz), new \DateTime('2012-09-12 09:15:00', $tz))); $this->assertTrue($vfb->isFree(new \DateTime('2012-09-12 09:45:00', $tz), new \DateTime('2012-09-12 10:00:00', $tz))); $this->assertTrue($vfb->isFree(new \DateTime('2012-09-12 11:00:00', $tz), new \DateTime('2012-09-12 12:00:00', $tz))); } }