3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new \DateTime('2016-03-13 3:00:00', new DateTimeZone('America/Los_Angeles')); echo "Original Timestamp: ".$a->getTimeStamp()."\n"; $b = clone $a; $b->sub(new \DateInterval('PT1S')); echo "Subtract 1 second Timestamp: ".$b->getTimeStamp(); print_r([$a,$b]);

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)
8.3.60.0070.01718.43
8.3.50.0140.00716.17
8.3.40.0040.01119.00
8.3.30.0080.00818.97
8.3.20.0050.00320.21
8.3.10.0040.00423.65
8.3.00.0040.00419.68
8.2.180.0150.00616.88
8.2.170.0060.00922.96
8.2.160.0140.00019.34
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0070.00019.29
8.2.120.0040.00426.35
8.2.110.0030.00720.53
8.2.100.0060.00617.91
8.2.90.0000.00819.15
8.2.80.0000.00818.15
8.2.70.0110.00017.63
8.2.60.0040.00817.80
8.2.50.0040.00418.10
8.2.40.0070.00020.59
8.2.30.0020.00519.34
8.2.20.0040.00418.01
8.2.10.0040.00418.27
8.2.00.0040.00417.99
8.1.280.0070.00725.92
8.1.270.0080.00022.20
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.55
8.1.230.0080.00419.00
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0030.00617.47
8.1.190.0000.00817.60
8.1.180.0050.00318.10
8.1.170.0050.00518.70
8.1.160.0040.00419.13
8.1.150.0040.00420.75
8.1.140.0070.00019.66
8.1.130.0030.00318.84
8.1.120.0070.00017.69
8.1.110.0030.00517.61
8.1.100.0040.00417.61
8.1.90.0050.00317.55
8.1.80.0070.00017.69
8.1.70.0000.00717.69
8.1.60.0060.00317.73
8.1.50.0000.00817.59
8.1.40.0030.00617.63
8.1.30.0080.00017.82
8.1.20.0040.00417.72
8.1.10.0040.00417.71
8.1.00.0060.00317.54
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0030.00318.57
8.0.270.0040.00417.00
8.0.260.0030.00316.97
8.0.250.0040.00417.15
8.0.240.0050.00317.22
8.0.230.0000.00717.07
8.0.220.0000.00717.14
8.0.210.0070.00017.05
8.0.200.0030.00317.12
8.0.190.0040.00417.12
8.0.180.0040.00417.07
8.0.170.0040.00417.02
8.0.160.0030.00516.99
8.0.150.0000.00717.16
8.0.140.0040.00417.11
8.0.130.0030.00313.53
8.0.120.0080.00017.00
8.0.110.0000.00716.98
8.0.100.0000.00817.12
8.0.90.0000.00717.06
8.0.80.0120.00617.04
8.0.70.0040.00417.11
8.0.60.0040.00416.98
8.0.50.0000.00717.13
8.0.30.0100.00717.24
8.0.20.0070.01117.40
8.0.10.0000.00717.01
8.0.00.0120.00916.92
7.4.330.0060.00015.55
7.4.320.0000.00616.63
7.4.300.0030.00316.69
7.4.290.0000.00916.56
7.4.280.0060.00316.54
7.4.270.0000.00716.77
7.4.260.0000.00513.34
7.4.250.0000.00816.61
7.4.240.0040.00416.57
7.4.230.0040.00416.81
7.4.220.0110.01116.63
7.4.210.0000.02416.68
7.4.200.0040.00416.84
7.4.160.0100.00616.75
7.4.150.0130.00717.40
7.4.140.0120.00917.86
7.4.130.0070.01116.59
7.4.120.0150.00516.72
7.4.110.0140.00316.61
7.4.100.0070.01616.77
7.4.90.0070.01116.62
7.4.80.0110.00519.39
7.4.70.0120.00316.55
7.4.60.0120.00416.65
7.4.50.0060.01016.39
7.4.40.0030.01316.64
7.4.30.0070.01016.66
7.4.00.0100.00715.04
7.3.330.0000.00613.16
7.3.320.0000.00513.27
7.3.310.0070.00016.39
7.3.300.0000.00716.43
7.3.290.0090.00816.39
7.3.280.0080.00816.38
7.3.270.0100.00717.40
7.3.260.0100.00716.58
7.3.250.0140.01316.57
7.3.240.0180.00516.56
7.3.230.0140.00316.65
7.3.210.0030.01916.45
7.3.200.0090.00916.55
7.3.190.0040.01216.40
7.3.180.0030.01416.67
7.3.170.0070.01016.73
7.3.160.0040.01116.54
7.2.330.0090.00916.50
7.2.320.0100.00616.75
7.2.310.0120.00616.91
7.2.300.0120.00616.63
7.2.290.0130.00316.60
7.2.60.0070.00717.07
7.2.00.0030.00619.65
7.1.200.0030.01015.68
7.1.100.0040.00718.40
7.1.70.0030.01617.21
7.1.60.0290.01634.89
7.1.50.0350.01334.95
7.1.40.0260.01334.49
7.1.30.0220.02234.65
7.1.20.0280.02534.73
7.1.10.0160.00416.86
7.1.00.0030.01916.88
7.0.200.0090.01117.07
7.0.190.0100.01016.91
7.0.180.0130.01016.18
7.0.170.0170.00916.32
7.0.160.0120.00916.53
7.0.150.0110.00716.47
7.0.140.0070.01316.45
7.0.130.0060.01516.84
7.0.120.0150.00516.78
7.0.110.0110.01116.55
7.0.100.0050.01616.40
7.0.90.0140.00816.41
7.0.80.0120.00916.61
7.0.70.0090.01416.51
7.0.60.0100.01016.07
7.0.50.0180.00416.50
7.0.40.0110.01016.42
7.0.30.0050.01816.57
7.0.20.0130.00616.72
7.0.10.0070.01416.50
7.0.00.0070.01316.48

preferences:
37.04 ms | 401 KiB | 5 Q