3v4l.org

run code in 300+ PHP versions simultaneously
<?php public function diffInDays(\DateTime $dateEnd, \DateTime $dateStart) { $interval = $dateEnd->diff($dateStart); return (int) $interval->format('%a'); } $startDate = new \DateTime('2015-11-09 21:00:00.000000', new \DateTimeZone('UTC')); $endDate = new \DateTime('2015-11-08 21:00:00.000000', new \DateTimeZone('UTC')); var_dump(diffInDays($startDate, $startDate));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.0.10.0100.04020.15
7.0.00.0100.07320.08
5.6.160.0070.07320.48
5.6.150.0100.06718.19
5.6.140.0100.08018.11
5.6.130.0030.07718.28
5.6.120.0070.04021.09
5.6.110.0100.08321.08
5.6.100.0030.07021.11
5.6.90.0000.04720.96
5.6.80.0100.03320.52
5.5.300.0030.07017.97
5.5.290.0070.08717.97
5.5.280.0130.05020.72
5.5.270.0130.07720.79
5.5.260.0070.08020.76
5.5.250.0070.08320.46
5.5.240.0100.06020.18

preferences:
141.65 ms | 1394 KiB | 7 Q