3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTime('FIRST DAY OF PREVIOUS MONTH'); echo $date->format('Y-m-d'), PHP_EOL;

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)
8.3.40.0090.00918.96
8.3.30.0090.00918.98
8.3.20.0040.00420.23
8.3.10.0040.00422.09
8.3.00.0040.00422.32
8.2.170.0110.00422.96
8.2.160.0100.00618.71
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00419.63
8.2.110.0050.00520.44
8.2.100.0040.00818.03
8.2.90.0050.00319.34
8.2.80.0000.00818.03
8.2.70.0040.00417.88
8.2.60.0000.00818.16
8.2.50.0030.00618.07
8.2.40.0040.00418.34
8.2.30.0040.00418.10
8.2.20.0070.00017.82
8.2.10.0050.00319.64
8.2.00.0030.00517.80
8.1.270.0050.00322.19
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0070.00323.91
8.1.230.0080.00420.88
8.1.220.0050.00317.77
8.1.210.0060.00318.77
8.1.200.0080.00317.60
8.1.190.0050.00317.63
8.1.180.0070.00518.10
8.1.170.0040.00418.69
8.1.160.0000.00722.06
8.1.150.0040.00418.74
8.1.140.0050.00317.64
8.1.130.0040.00417.95
8.1.120.0070.00017.56
8.1.110.0000.00717.63
8.1.100.0070.00017.61
8.1.90.0000.00717.71
8.1.80.0040.00417.52
8.1.70.0000.00717.63
8.1.60.0050.00517.59
8.1.50.0040.00417.53
8.1.40.0000.00717.63
8.1.30.0060.00317.79
8.1.20.0000.00917.79
8.1.10.0000.00817.71
8.1.00.0000.00817.63
8.0.300.0040.00418.77
8.0.290.0000.00817.30
8.0.280.0040.00418.46
8.0.270.0050.00317.26
8.0.260.0040.00418.57
8.0.250.0040.00417.12
8.0.240.0070.00017.02
8.0.230.0030.00317.12
8.0.220.0070.00017.01
8.0.210.0070.00017.02
8.0.200.0030.00317.05
8.0.190.0040.00417.00
8.0.180.0040.00417.07
8.0.170.0000.00717.04
8.0.160.0040.00416.97
8.0.150.0070.00017.00
8.0.140.0040.00417.00
8.0.130.0040.00213.39
8.0.120.0030.00616.89
8.0.110.0000.00817.03
8.0.100.0000.00716.96
8.0.90.0030.00516.84
8.0.80.0180.00517.09
8.0.70.0000.00717.09
8.0.60.0000.00816.80
8.0.50.0040.00417.06
8.0.30.0150.00817.17
8.0.20.0120.00717.40
8.0.10.0030.00317.13
8.0.00.0090.00916.92
7.4.330.0020.00215.15
7.4.320.0030.00316.76
7.4.300.0060.00016.58
7.4.290.0030.00316.64
7.4.280.0030.00316.64
7.4.270.0030.00316.63
7.4.260.0050.00216.57
7.4.250.0070.00016.67
7.4.240.0020.00716.76
7.4.230.0070.00016.53
7.4.220.0090.00916.62
7.4.210.0090.01016.64
7.4.200.0000.00716.72
7.4.190.0070.00016.63
7.4.160.0070.01716.68
7.4.150.0100.00717.40
7.4.140.0130.00517.86
7.4.130.0080.01016.65
7.4.120.0090.00816.75
7.4.110.0040.01416.47
7.4.100.0110.00816.75
7.4.90.0120.00616.49
7.4.80.0120.00919.39
7.4.70.0130.00316.59
7.4.60.0030.01316.64
7.4.50.0030.00316.56
7.4.40.0060.00622.77
7.4.30.0130.00316.49
7.4.00.0040.01115.19
7.3.330.0020.00213.30
7.3.320.0000.00513.22
7.3.310.0030.00316.34
7.3.300.0030.00316.30
7.3.290.0100.00316.43
7.3.280.0070.01016.36
7.3.270.0100.01017.40
7.3.260.0130.00416.58
7.3.250.0130.00716.42
7.3.240.0180.00616.63
7.3.230.0140.00316.39
7.3.210.0150.00316.57
7.3.200.0100.00619.39
7.3.190.0110.00616.51
7.3.180.0110.00816.54
7.3.170.0080.00816.68
7.3.160.0060.00916.46
7.3.120.0100.00315.08
7.2.330.0120.00616.67
7.2.320.0180.00316.66
7.2.310.0060.00916.59
7.2.300.0040.01216.84
7.2.290.0090.00616.54
7.2.60.0100.00316.91
7.2.00.0060.00819.65
7.1.200.0000.01515.63
7.1.100.0080.00318.36
7.1.70.0000.00716.79
7.1.60.0070.01019.82
7.1.50.0030.01716.70
7.1.00.0030.07722.28
7.0.200.0040.00717.04
7.0.140.0100.06721.97
7.0.60.0200.06019.92
7.0.50.0130.06317.86
7.0.40.0030.05020.12
7.0.30.0270.04020.34
7.0.20.0200.05320.33
7.0.10.0070.08720.20
7.0.00.0100.08320.04
5.6.280.0030.07321.12
5.6.210.0100.05720.76
5.6.200.0100.06018.15
5.6.190.0000.09320.41
5.6.180.0330.04320.67
5.6.170.0300.08020.51
5.6.160.0000.06020.54
5.6.150.0070.07318.18
5.6.140.0100.07318.22
5.6.130.0100.04018.07
5.6.120.0030.05720.98
5.6.110.0030.04720.88
5.6.100.0100.06320.95
5.6.90.0070.04020.99
5.6.80.0030.06320.51
5.5.350.0200.04020.38
5.5.340.0070.04718.01
5.5.330.0030.04320.40
5.5.320.0230.06320.36
5.5.310.0300.05020.39
5.5.300.0070.04717.98
5.5.290.0130.06717.96
5.5.280.0000.04320.80
5.5.270.0070.05320.75
5.5.260.0070.03720.72
5.5.250.0030.04020.68
5.5.240.0070.07320.22
5.4.450.0100.06019.25
5.4.440.0130.07019.49
5.4.430.0200.05019.59
5.4.420.0170.06019.44
5.4.410.0100.05318.97
5.4.400.0330.04718.61
5.4.390.0300.06018.50
5.4.380.0130.05318.46
5.4.370.0170.04318.56
5.4.360.0100.05018.50
5.4.350.0050.03611.97
5.4.340.0160.03511.97
5.4.320.0060.03812.45
5.4.310.0060.03712.45
5.4.300.0050.03612.45
5.4.290.0050.03812.45
5.4.280.0040.04112.35
5.4.270.0070.03512.32
5.4.260.0050.03912.32
5.4.250.0050.04412.32
5.4.240.0040.03712.32
5.4.230.0040.03912.31
5.4.220.0060.03512.31
5.4.210.0040.03712.31
5.4.200.0060.03612.31
5.4.190.0030.03812.30
5.4.180.0080.03312.31
5.4.170.0060.03512.32
5.4.160.0030.03812.31
5.4.150.0080.03312.31
5.4.140.0030.05011.99
5.4.130.0050.03511.98
5.4.120.0050.03611.93
5.4.110.0060.03911.93
5.4.100.0030.04311.93
5.4.90.0080.03311.93
5.4.80.0040.03911.93
5.4.70.0080.04111.92
5.4.60.0040.04211.93
5.4.50.0040.04211.92
5.4.40.0090.03711.92
5.4.30.0060.04111.91
5.4.20.0070.03311.91
5.4.10.0020.03711.91
5.4.00.0050.03811.40
5.3.290.0040.04012.80
5.3.280.0060.04112.71
5.3.270.0070.03712.73
5.3.260.0060.03912.71
5.3.250.0080.04712.72
5.3.240.0080.03512.72
5.3.230.0040.04012.71
5.3.220.0060.03512.68
5.3.210.0030.04412.68
5.3.200.0030.04712.68
5.3.190.0060.04312.68
5.3.180.0040.03812.68
5.3.170.0090.03912.67
5.3.160.0050.03612.68
5.3.150.0080.03412.68
5.3.140.0060.03612.66
5.3.130.0020.04112.66
5.3.120.0070.04312.66
5.3.110.0100.03512.66
5.3.100.0060.04612.12
5.3.90.0020.04012.08
5.3.80.0110.03912.07
5.3.70.0030.03912.07
5.3.60.0060.03512.06
5.3.50.0080.04412.00
5.3.40.0090.04012.00
5.3.30.0050.03511.94
5.3.20.0020.03811.69
5.3.10.0090.04211.66
5.3.00.0040.03811.64
5.2.170.0060.0389.18
5.2.160.0030.0329.18
5.2.150.0050.0379.18
5.2.140.0080.0379.17
5.2.130.0040.0329.14
5.2.120.0070.0349.14
5.2.110.0050.0399.14
5.2.100.0050.0289.14
5.2.90.0050.0289.14
5.2.80.0030.0319.13
5.2.70.0040.0319.13
5.2.60.0050.0299.09
5.2.50.0060.0289.06
5.2.40.0040.0339.04
5.2.30.0040.0299.02
5.2.20.0040.0299.00
5.2.10.0070.0368.90
5.2.00.0070.0318.77
5.1.60.0030.0278.02
5.1.50.0030.0298.02
5.1.40.0030.0258.01
5.1.30.0030.0268.35
5.1.20.0060.0358.38
5.1.10.0040.0318.10
5.1.00.0040.0248.10
5.0.50.0040.0206.58
5.0.40.0030.0256.43
5.0.30.0040.0316.25
5.0.20.0060.0186.23
5.0.10.0060.0176.20
5.0.00.0030.0316.20
4.4.90.0030.0144.78
4.4.80.0040.0134.76
4.4.70.0040.0184.75
4.4.60.0050.0234.75
4.4.50.0030.0204.77
4.4.40.0030.0294.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0020.0254.85
4.4.00.0060.0274.76
4.3.110.0020.0214.67
4.3.100.0040.0174.67
4.3.90.0040.0244.63
4.3.80.0020.0254.58
4.3.70.0010.0164.63
4.3.60.0030.0214.63
4.3.50.0030.0204.63
4.3.40.0030.0344.54
4.3.30.0040.0163.27
4.3.20.0020.0163.24
4.3.10.0030.0263.21
4.3.00.0100.0137.57

preferences:
46.23 ms | 400 KiB | 5 Q