3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new \DateTime('2016-03-13 2:00:00', new DateTimeZone('America/Los_Angeles')); $b = clone $a; $b->sub(new \DateInterval('PT1H')); print_r([$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)
8.3.40.0110.00418.79
8.3.30.0110.00418.97
8.3.20.0040.00420.34
8.3.10.0040.00423.48
8.3.00.0030.00619.68
8.2.170.0110.00422.96
8.2.160.0030.01319.21
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00219.39
8.2.120.0040.00426.35
8.2.110.0030.00619.00
8.2.100.0040.00818.03
8.2.90.0040.00419.21
8.2.80.0040.00417.97
8.2.70.0000.01017.75
8.2.60.0060.00617.80
8.2.50.0040.00418.10
8.2.40.0040.00420.42
8.2.30.0000.00719.23
8.2.20.0040.00418.11
8.2.10.0040.00418.24
8.2.00.0040.00417.99
8.1.270.0070.00022.04
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00721.11
8.1.230.0080.00319.00
8.1.220.0030.00617.74
8.1.210.0030.00518.77
8.1.200.0030.00617.60
8.1.190.0050.00317.48
8.1.180.0000.00718.10
8.1.170.0030.00718.76
8.1.160.0030.00518.99
8.1.150.0080.00018.92
8.1.140.0030.00619.58
8.1.130.0000.00818.95
8.1.120.0000.00717.67
8.1.110.0000.00817.66
8.1.100.0030.00517.64
8.1.90.0000.00717.65
8.1.80.0040.00417.68
8.1.70.0030.00317.70
8.1.60.0000.00817.71
8.1.50.0040.00417.65
8.1.40.0000.00917.52
8.1.30.0040.00417.61
8.1.20.0080.00017.67
8.1.10.0050.00217.67
8.1.00.0040.00417.50
8.0.300.0050.00318.77
8.0.290.0040.00416.88
8.0.280.0000.00718.55
8.0.270.0030.00317.33
8.0.260.0030.00317.01
8.0.250.0030.00317.15
8.0.240.0040.00417.02
8.0.230.0040.00417.15
8.0.220.0000.00717.06
8.0.210.0000.00717.12
8.0.200.0000.00617.05
8.0.190.0060.00317.12
8.0.180.0070.00017.13
8.0.170.0000.00717.17
8.0.160.0040.00417.06
8.0.150.0000.00717.13
8.0.140.0030.00317.05
8.0.130.0050.00013.50
8.0.120.0000.00717.05
8.0.110.0040.00417.12
8.0.100.0050.00217.09
8.0.90.0040.00416.93
8.0.80.0060.01017.06
8.0.70.0000.00717.16
8.0.60.0040.00417.13
8.0.50.0040.00416.90
8.0.30.0110.00817.32
8.0.20.0100.01017.40
8.0.10.0080.00017.28
8.0.00.0090.00917.11
7.4.330.0050.00015.55
7.4.320.0000.00716.63
7.4.300.0000.00616.74
7.4.290.0030.00816.65
7.4.280.0000.00916.75
7.4.270.0000.00816.69
7.4.260.0000.00513.34
7.4.250.0000.00816.65
7.4.240.0020.00516.59
7.4.230.0000.00716.64
7.4.220.0100.01316.64
7.4.210.0090.01016.51
7.4.200.0000.00716.48
7.4.160.0080.00816.63
7.4.150.0080.01117.40
7.4.140.0090.00917.86
7.4.130.0060.01616.54
7.4.120.0120.00816.73
7.4.110.0040.01316.80
7.4.100.0100.00716.61
7.4.90.0070.01016.55
7.4.80.0030.01319.39
7.4.70.0080.00816.66
7.4.60.0140.00616.48
7.4.50.0060.00616.50
7.4.40.0160.00016.59
7.4.30.0150.00316.59
7.4.00.0030.01315.20
7.3.330.0020.00213.09
7.3.320.0030.00313.22
7.3.310.0000.00716.37
7.3.300.0040.00416.38
7.3.290.0080.00916.36
7.3.280.0070.00916.38
7.3.270.0140.00317.40
7.3.260.0060.01216.56
7.3.250.0080.00916.60
7.3.240.0100.01016.47
7.3.230.0090.00616.34
7.3.210.0110.00516.66
7.3.200.0030.01216.58
7.3.190.0120.00316.58
7.3.180.0190.00316.35
7.3.170.0000.01616.50
7.3.160.0080.00816.55
7.2.330.0100.00716.62
7.2.320.0030.01316.83
7.2.310.0050.01416.95
7.2.300.0070.01016.86
7.2.290.0170.00016.61
7.2.80.0180.00616.77
7.2.60.0030.01017.05
7.2.00.0040.01119.31
7.1.200.0030.00915.81
7.1.100.0070.00418.27
7.1.70.0030.01717.25
7.1.60.0270.00935.34
7.1.50.0260.01634.82
7.1.40.0200.01034.69
7.1.30.0170.01434.57
7.1.20.0310.01234.57
7.1.10.0100.01016.76
7.1.00.0090.00916.61
7.0.200.0030.01617.00
7.0.190.0100.01016.86
7.0.180.0030.01516.53
7.0.170.0030.01516.31
7.0.160.0100.00716.25
7.0.150.0130.00716.44
7.0.140.0060.01516.39
7.0.130.0100.00716.55
7.0.120.0070.00916.86
7.0.110.0080.00816.42
7.0.100.0090.00916.32
7.0.90.0090.01216.48
7.0.80.0100.01416.72
7.0.70.0110.00816.38
7.0.60.0090.01216.32
7.0.50.0030.01416.60
7.0.40.0120.00916.67
7.0.30.0110.01116.51
7.0.20.0120.00816.75
7.0.10.0090.01116.47
7.0.00.0100.00616.41

preferences:
41.32 ms | 400 KiB | 5 Q