3v4l.org

run code in 300+ PHP versions simultaneously
<?php // @see https://stackoverflow.com/questions/77131068/how-to-retain-the-time-zone-info-when-truncating-a-timestamp-with-time-zone date_default_timezone_set('UTC'); $dates = [ '1999-12-31 20:59:59+00', '1999-12-31 20:59:59', '2000-01-01 07:29:59', '1999-12-31 20:00:00+00', '1999-12-31 20:00:00', '2000-01-01 07:00:00', '2000-01-01 07:00:00 +00', '2000-01-01 07:00:00 Australia/Adelaide' ]; foreach ($dates as $dateString) { $date = new \DateTimeImmutable($dateString); echo $dateString."\n-> ".$date->format('r')."\n\n"; }

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)
8.5.20.0080.00818.61
8.5.10.0100.00916.78
8.5.00.0130.00820.13
8.4.170.0130.00921.93
8.4.160.0130.01023.87
8.4.150.0010.00114.05
8.4.140.0130.00917.67
8.4.130.0090.01117.74
8.4.120.0090.01023.88
8.4.110.0070.00322.51
8.4.100.0130.00518.83
8.4.90.0050.00418.01
8.4.80.0130.00517.87
8.4.70.0110.01018.16
8.4.60.0120.00918.93
8.4.50.0040.00422.60
8.4.40.0170.00317.79
8.4.30.0120.00620.57
8.4.20.0070.01319.52
8.4.10.0030.00619.30
8.3.300.0120.00920.66
8.3.290.0140.01020.30
8.3.280.0150.00618.84
8.3.270.0130.00816.74
8.3.260.0140.00916.61
8.3.250.0090.01019.21
8.3.240.0080.00717.07
8.3.230.0080.00416.69
8.3.220.0120.00718.66
8.3.210.0140.00516.73
8.3.200.0050.00416.68
8.3.190.0110.00917.04
8.3.180.0040.00418.78
8.3.170.0060.00317.21
8.3.160.0090.00918.39
8.3.150.0070.01120.88
8.3.140.0130.00620.81
8.3.130.0090.00018.63
8.3.120.0060.00320.53
8.3.110.0070.00320.94
8.3.100.0040.00424.06
8.3.90.0130.00726.77
8.3.80.0000.01018.68
8.3.70.0130.01016.63
8.3.60.0140.00718.68
8.3.50.0090.00916.84
8.3.40.0040.01123.70
8.3.30.0120.00320.92
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.300.0100.01018.31
8.2.290.0110.00820.41
8.2.280.0120.00718.64
8.2.270.0120.00617.50
8.2.260.0070.00018.58
8.2.250.0040.01518.65
8.2.240.0000.00918.82
8.2.230.0030.00622.58
8.2.220.0000.00937.54
8.2.210.0110.00326.77
8.2.200.0100.00016.75
8.2.190.0140.00416.88
8.2.180.0120.00316.63
8.2.170.0150.00019.09
8.2.160.0070.01122.96
8.2.150.0050.00225.66
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0080.00019.60
8.2.110.0060.00322.28
8.2.100.0240.00318.44
8.1.340.0130.00717.70
8.1.330.0120.00621.93
8.1.320.0140.00617.86
8.1.310.0080.00016.71
8.1.300.0080.00818.05
8.1.290.0090.00030.84
8.1.280.0120.00325.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0220.00318.80
8.1.230.0060.00318.61

preferences:
36.69 ms | 403 KiB | 5 Q