3v4l.org

run code in 300+ PHP versions simultaneously
<?php $now = new Datetime(); $pene = new DateTime($now); $pene = $pene->modify('-1 month'); $now = date_format($now, "m"); $pene = date_format($pene, "m"); echo $pene; echo $now;

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)
8.3.60.0150.00418.55
8.3.50.0070.01222.08
8.3.40.0120.00318.88
8.3.30.0100.00319.22
8.3.20.0080.00020.34
8.3.10.0000.00820.73
8.3.00.0040.00419.51
8.2.180.0180.00416.88
8.2.170.0140.00422.96
8.2.160.0090.00619.23
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0030.00622.27
8.2.110.0070.00322.07
8.2.100.0040.00817.84
8.2.90.0030.00519.13
8.2.80.0060.00317.97
8.2.70.0050.00517.88
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0040.00418.21
8.2.30.0000.00719.42
8.2.20.0000.00817.78
8.2.10.0040.00418.08
8.2.00.0030.00517.75
8.1.280.0170.00725.92
8.1.270.0050.00323.91
8.1.260.0070.00026.35
8.1.250.0030.00528.09
8.1.240.0060.00323.92
8.1.230.0060.00617.88
8.1.220.0030.00617.77
8.1.210.0030.00518.77
8.1.200.0040.00417.48
8.1.190.0080.00017.48
8.1.180.0080.00018.10
8.1.170.0100.00018.70
8.1.160.0000.00721.98
8.1.150.0040.00418.93
8.1.140.0070.00017.46
8.1.130.0030.00317.79
8.1.120.0000.00717.59
8.1.110.0040.00417.48
8.1.100.0000.00817.64
8.1.90.0000.00717.59
8.1.80.0040.00417.51
8.1.70.0070.00017.53
8.1.60.0000.00817.68
8.1.50.0060.00317.70
8.1.40.0030.00617.66
8.1.30.0000.00817.71
8.1.20.0040.00417.79
8.1.10.0070.00017.70
8.1.00.0040.00417.75
8.0.300.0040.00418.77
8.0.290.0000.00817.00
8.0.280.0070.00018.49
8.0.270.0050.00317.27
8.0.260.0030.00317.26
8.0.250.0000.00617.18
8.0.240.0000.00717.16
8.0.230.0070.00017.22
8.0.220.0050.00317.02
8.0.210.0000.00717.10
8.0.200.0050.00317.16
8.0.190.0070.00017.17
8.0.180.0040.00417.00
8.0.170.0080.00017.14
8.0.160.0030.00617.08
8.0.150.0000.00717.05
8.0.140.0050.00317.07
8.0.130.0030.00313.43
8.0.120.0040.00416.95
8.0.110.0030.00516.93
8.0.100.0000.00717.00
8.0.90.0070.00016.91
8.0.80.0030.01717.07
8.0.70.0070.00016.98
8.0.60.0040.00417.21
8.0.50.0040.00417.13
8.0.30.0100.01017.21
8.0.20.0120.00617.40
8.0.10.0040.00417.25
8.0.00.0100.00716.89
7.4.330.0030.00315.02
7.4.320.0000.00716.62
7.4.300.0000.00616.76
7.4.290.0000.00716.75
7.4.280.0050.00316.72
7.4.270.0040.00416.55
7.4.260.0030.00316.64
7.4.250.0040.00416.59
7.4.240.0060.00116.70
7.4.230.0050.00316.78
7.4.220.0070.01116.77
7.4.210.0050.01016.60
7.4.200.0000.00716.52
7.4.160.0060.00916.51
7.4.150.0070.01017.40
7.4.140.0110.00617.86
7.4.130.0130.00316.78
7.4.120.0120.00716.62
7.4.110.0100.00616.69
7.4.100.0030.01416.52
7.4.90.0070.01016.77
7.4.80.0130.00316.47
7.4.70.0100.00716.59
7.4.60.0030.01216.65
7.4.50.0000.00516.78
7.4.40.0090.00916.46
7.4.30.0060.00916.40
7.4.00.0060.00915.17
7.3.330.0070.00013.33
7.3.320.0030.00313.28
7.3.310.0030.00316.41
7.3.300.0030.00316.39
7.3.290.0070.01016.37
7.3.280.0080.00916.39
7.3.270.0120.00617.40
7.3.260.0080.00916.49
7.3.250.0090.01016.51
7.3.240.0130.00316.50
7.3.230.0080.00816.49
7.3.210.0150.00316.64
7.3.200.0100.01019.39
7.3.190.0130.00716.63
7.3.180.0060.00916.45
7.3.170.0090.01316.58
7.3.160.0060.01516.39
7.3.120.0030.01314.98
7.3.110.0070.00714.90
7.3.100.0030.01014.97
7.3.90.0070.01014.99
7.3.80.0040.01114.94
7.3.70.0100.00015.05
7.3.60.0000.01415.08
7.3.50.0090.00614.89
7.3.40.0140.00014.70
7.3.30.0060.00614.88
7.3.20.0080.00016.81
7.3.10.0090.00616.81
7.3.00.0030.00616.87
7.2.330.0120.00616.56
7.2.320.0070.01016.54
7.2.310.0150.00316.48
7.2.300.0040.01216.72
7.2.290.0080.00916.80
7.2.250.0040.01415.21
7.2.240.0070.01315.25
7.2.230.0090.00915.16
7.2.220.0090.00615.06
7.2.210.0000.01415.29
7.2.200.0040.00814.97
7.2.190.0060.00615.09
7.2.180.0060.00314.88
7.2.170.0040.01114.84
7.2.80.0030.00916.35
7.2.60.0040.01316.91
7.1.330.0100.00315.70
7.1.320.0140.00315.82
7.1.310.0030.01315.86
7.1.300.0000.01315.86
7.1.290.0030.01015.86
7.1.280.0060.00615.67
7.1.270.0060.00615.66
7.1.260.0040.00715.91
7.1.200.0090.00615.97
7.1.100.0030.00618.00
7.1.70.0030.01317.14
7.1.60.0100.01019.32
7.1.50.0110.01117.11
7.1.00.0000.08022.54
7.0.200.0070.00716.54
7.0.140.0030.07322.12
7.0.60.0000.04320.04
7.0.50.0030.05017.81
7.0.40.0130.08020.19
7.0.30.0370.08020.21
7.0.20.0300.07020.30
7.0.10.0070.06320.13
7.0.00.0130.06320.03
5.6.280.0030.07320.82
5.6.210.0070.07720.76
5.6.200.0100.06318.15
5.6.190.0170.08020.77
5.6.180.0570.06720.43
5.6.170.0200.04720.55
5.6.160.0100.03720.54
5.6.150.0100.08018.29
5.6.140.0070.03718.28
5.6.130.0170.03018.20
5.6.120.0000.04720.94
5.6.110.0070.04021.13
5.6.100.0030.04021.10
5.6.90.0100.04020.96
5.6.80.0100.07320.43
5.5.350.0230.07720.38
5.5.340.0000.04717.98
5.5.330.0130.08320.27
5.5.320.0270.06320.31
5.5.310.0270.08020.34
5.5.300.0070.05717.99
5.5.290.0030.08318.02
5.5.280.0130.08320.89
5.5.270.0100.05320.86
5.5.260.0170.07720.84
5.5.250.0100.06720.58
5.5.240.0130.06320.24
5.4.450.0030.06719.17
5.4.440.0270.05319.54
5.4.430.0230.08319.60
5.4.420.0130.05319.68
5.4.410.0130.06719.46
5.4.400.0200.05019.06
5.4.390.0170.05719.25
5.4.380.0370.05018.74
5.4.370.0670.07718.80
5.4.360.0430.04718.80
5.4.350.0300.06018.55
5.4.340.0270.06018.82
5.4.320.0080.03612.50
5.4.310.0040.03912.49
5.4.300.0040.03712.50
5.4.290.0020.04112.49
5.4.280.0050.03612.39
5.4.270.0050.03612.39
5.4.260.0060.03712.39
5.4.250.0040.03812.39
5.4.240.0070.03512.39
5.4.230.0070.03712.39
5.4.220.0040.03712.39
5.4.210.0050.03612.38
5.4.200.0050.04212.38
5.4.190.0070.03412.38
5.4.180.0060.03712.38
5.4.170.0080.03512.39
5.4.160.0050.03612.39
5.4.150.0060.03512.38
5.4.140.0070.03512.06
5.4.130.0050.03512.05
5.4.120.0060.03712.01
5.4.110.0090.03312.00
5.4.100.0090.03712.01
5.4.90.0110.03012.01
5.4.80.0030.03812.01
5.4.70.0050.03512.00
5.4.60.0080.03312.00
5.4.50.0060.03612.00
5.4.40.0080.03311.99
5.4.30.0020.03911.99
5.4.20.0040.03711.99
5.4.10.0020.03811.99
5.4.00.0060.03611.48
5.3.290.0040.04112.80
5.3.280.0060.03712.71
5.3.270.0040.04112.73
5.3.260.0060.03812.72
5.3.250.0040.03812.72
5.3.240.0060.03712.72
5.3.230.0050.03712.71
5.3.220.0040.03812.68
5.3.210.0030.04212.68
5.3.200.0040.03812.68
5.3.190.0060.03712.68
5.3.180.0070.03512.67
5.3.170.0070.04212.66
5.3.160.0060.04612.67
5.3.150.0060.03812.67
5.3.140.0070.04512.66
5.3.130.0080.03712.66
5.3.120.0050.04112.66
5.3.110.0080.03812.66
5.3.100.0060.03612.12
5.3.90.0030.03912.10
5.3.80.0050.03612.09
5.3.70.0060.03512.09
5.3.60.0050.03612.07
5.3.50.0060.03812.02
5.3.40.0030.03912.02
5.3.30.0070.03411.98
5.3.20.0050.03711.77
5.3.10.0070.03811.73
5.3.00.0040.03711.72
5.2.170.0040.0319.22
5.2.160.0050.0289.22
5.2.150.0030.0329.22
5.2.140.0030.0329.22
5.2.130.0070.0279.18
5.2.120.0060.0289.18
5.2.110.0050.0289.19
5.2.100.0040.0319.18
5.2.90.0020.0349.18
5.2.80.0100.0379.18
5.2.70.0070.0419.18
5.2.60.0070.0369.13
5.2.50.0070.0349.10
5.2.40.0010.0329.08
5.2.30.0050.0299.05
5.2.20.0040.0309.04
5.2.10.0040.0288.95
5.2.00.0030.0358.78
5.1.60.0060.0368.06
5.1.50.0100.0418.06
5.1.40.0050.0288.04
5.1.30.0080.0318.40
5.1.20.0020.0278.41
5.1.10.0020.0278.14
5.1.00.0040.0258.14
5.0.50.0060.0206.62
5.0.40.0030.0206.48
5.0.30.0040.0316.29
5.0.20.0040.0186.26
5.0.10.0040.0216.24
5.0.00.0050.0296.23
4.4.90.0030.0194.77
4.4.80.0040.0144.75
4.4.70.0040.0164.75
4.4.60.0060.0154.75
4.4.50.0010.0184.77
4.4.40.0030.0244.71
4.4.30.0020.0164.76
4.4.20.0010.0174.84
4.4.10.0030.0154.85
4.4.00.0010.0274.76
4.3.110.0040.0144.67
4.3.100.0060.0114.66
4.3.90.0030.0144.64
4.3.80.0000.0274.58
4.3.70.0040.0134.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0050.0214.54
4.3.30.0020.0163.28
4.3.20.0030.0163.25
4.3.10.0020.0193.22
4.3.00.0100.0206.97

preferences:
56.93 ms | 401 KiB | 5 Q