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; $b->sub(new \DateInterval('PT2H')); print_r([$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)
8.3.60.0150.00318.39
8.3.50.0110.00416.57
8.3.40.0070.00718.79
8.3.30.0150.00018.77
8.3.20.0050.00320.30
8.3.10.0080.00023.53
8.3.00.0040.00419.56
8.2.180.0070.01118.29
8.2.170.0000.01422.96
8.2.160.0120.00319.16
8.2.150.0080.00024.18
8.2.140.0000.00924.66
8.2.130.0040.00419.21
8.2.120.0000.00726.35
8.2.110.0070.00320.51
8.2.100.0030.00917.97
8.2.90.0090.00019.17
8.2.80.0000.00817.97
8.2.70.0070.00317.75
8.2.60.0100.00017.93
8.2.50.0040.00418.10
8.2.40.0040.00420.42
8.2.30.0050.00219.36
8.2.20.0050.00218.12
8.2.10.0000.00718.18
8.2.00.0040.00418.20
8.1.280.0090.00625.92
8.1.270.0070.00022.24
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0100.00720.66
8.1.230.0110.00019.22
8.1.220.0040.00717.74
8.1.210.0040.00418.77
8.1.200.0060.00317.60
8.1.190.0080.00017.35
8.1.180.0060.00318.10
8.1.170.0040.00818.70
8.1.160.0050.00319.12
8.1.150.0030.00518.85
8.1.140.0040.00421.48
8.1.130.0030.00519.00
8.1.120.0000.00817.55
8.1.110.0070.00017.49
8.1.100.0040.00417.64
8.1.90.0070.00017.65
8.1.80.0000.00817.67
8.1.70.0000.00717.54
8.1.60.0000.00917.68
8.1.50.0040.00417.65
8.1.40.0040.00417.63
8.1.30.0070.00017.85
8.1.20.0070.00017.61
8.1.10.0040.00417.71
8.1.00.0000.00917.66
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0050.00218.40
8.0.270.0050.00317.39
8.0.260.0000.00616.91
8.0.250.0040.00417.17
8.0.240.0050.00317.00
8.0.230.0040.00417.05
8.0.220.0080.00017.00
8.0.210.0030.00317.07
8.0.200.0030.00317.13
8.0.190.0040.00417.00
8.0.180.0040.00417.11
8.0.170.0040.00417.08
8.0.160.0040.00417.09
8.0.150.0040.00417.04
8.0.140.0030.00417.02
8.0.130.0060.00013.48
8.0.120.0080.00017.10
8.0.110.0050.00316.99
8.0.100.0050.00316.89
8.0.90.0040.00416.94
8.0.80.0060.01017.10
8.0.70.0040.00416.98
8.0.60.0030.00516.92
8.0.50.0000.00717.02
8.0.30.0070.01117.23
8.0.20.0100.00917.40
8.0.10.0030.00317.10
8.0.00.0170.00316.95
7.4.330.0000.00615.55
7.4.320.0000.00616.72
7.4.300.0030.00316.59
7.4.290.0100.00016.78
7.4.280.0000.00816.77
7.4.270.0070.00016.65
7.4.260.0030.00313.32
7.4.250.0070.00016.61
7.4.240.0040.00416.79
7.4.230.0040.00416.76
7.4.220.0060.01616.68
7.4.210.0150.00316.75
7.4.200.0030.00316.54
7.4.160.0080.00816.72
7.4.150.0150.00917.40
7.4.140.0090.00917.86
7.4.130.0060.01316.63
7.4.120.0070.01416.55
7.4.110.0090.00916.75
7.4.100.0100.00716.69
7.4.90.0030.01316.50
7.4.80.0160.00619.39
7.4.70.0060.01316.70
7.4.60.0090.00616.62
7.4.50.0150.00016.88
7.4.40.0110.00616.79
7.4.30.0140.00416.65
7.4.00.0070.00815.30
7.3.330.0000.00513.22
7.3.320.0000.00513.21
7.3.310.0000.00716.34
7.3.300.0080.00016.38
7.3.290.0090.00816.34
7.3.280.0100.00716.34
7.3.270.0120.00617.40
7.3.260.0130.00316.47
7.3.250.0080.01016.57
7.3.240.0130.00616.38
7.3.230.0070.01116.49
7.3.210.0030.01316.50
7.3.200.0070.01016.46
7.3.190.0030.01316.54
7.3.180.0120.00916.50
7.3.170.0090.00616.35
7.3.160.0090.01216.66
7.3.120.0050.01215.01
7.3.110.0070.00714.77
7.3.100.0060.01314.74
7.3.90.0030.01015.05
7.3.80.0030.01014.88
7.3.70.0030.00615.03
7.3.60.0110.00014.87
7.3.50.0000.01214.94
7.3.40.0140.00014.88
7.3.30.0060.00314.68
7.3.20.0100.00016.82
7.3.10.0030.01116.74
7.3.00.0120.00416.49
7.2.330.0140.00816.48
7.2.320.0120.00616.75
7.2.310.0030.01416.55
7.2.300.0110.00516.86
7.2.290.0090.00916.95
7.2.250.0120.00615.18
7.2.240.0040.01215.21
7.2.230.0060.01015.33
7.2.220.0000.01315.17
7.2.210.0040.01115.16
7.2.200.0040.01115.13
7.2.190.0110.00415.14
7.2.180.0030.01014.96
7.2.170.0060.00314.83
7.2.60.0080.00417.17
7.2.50.0060.01017.16
7.1.330.0070.01015.97
7.1.320.0070.00715.77
7.1.310.0000.01515.98
7.1.300.0030.01016.00
7.1.290.0100.00315.71
7.1.280.0000.01315.90
7.1.270.0060.00915.76
7.1.260.0030.01015.86
7.1.200.0070.00015.71
7.1.70.0080.01017.44
7.1.60.0130.01635.12
7.1.50.0280.00934.84
7.1.40.0250.00634.32
7.1.30.0180.01234.70
7.1.20.0300.01334.90
7.1.10.0060.01516.65
7.1.00.0090.00917.06
7.0.200.0040.01116.85
7.0.190.0080.00816.91
7.0.180.0080.00816.25
7.0.170.0100.00616.37
7.0.160.0070.01316.21
7.0.150.0100.01416.29
7.0.140.0090.00916.55
7.0.130.0140.00816.57
7.0.120.0110.01416.68
7.0.110.0080.01116.46
7.0.100.0090.01616.41
7.0.90.0080.01516.39
7.0.80.0050.01716.45
7.0.70.0120.00916.66
7.0.60.0130.00916.06
7.0.50.0030.02016.52
7.0.40.0110.01016.51
7.0.30.0110.00816.55
7.0.20.0060.01416.57
7.0.10.0170.00816.43
7.0.00.0170.00616.43

preferences:
49.82 ms | 401 KiB | 5 Q