3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (new DateTime('FIRST DAY OF PREVIOUS MONTH'))->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)
8.3.40.0040.01118.88
8.3.30.0110.00318.93
8.3.20.0070.00020.39
8.3.10.0080.00022.18
8.3.00.0080.00022.30
8.2.170.0150.00022.96
8.2.160.0110.00418.84
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0130.00626.16
8.2.120.0030.00619.61
8.2.110.0050.00522.17
8.2.100.0110.00018.03
8.2.90.0030.00619.17
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0080.00018.05
8.2.50.0000.00818.07
8.2.40.0060.00318.34
8.2.30.0000.00718.10
8.2.20.0050.00217.66
8.2.10.0060.00317.65
8.2.00.0080.00319.38
8.1.270.0000.00822.19
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00324.02
8.1.230.0030.00919.14
8.1.220.0050.00317.76
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0040.00417.39
8.1.180.0050.00318.72
8.1.170.0060.00318.56
8.1.160.0040.00421.99
8.1.150.0000.00718.80
8.1.140.0000.00717.56
8.1.130.0040.00417.85
8.1.120.0030.00417.57
8.1.110.0000.00717.55
8.1.100.0070.00017.47
8.1.90.0000.00717.61
8.1.80.0040.00417.55
8.1.70.0000.00817.57
8.1.60.0070.00417.64
8.1.50.0040.00417.64
8.1.40.0000.00717.52
8.1.30.0060.00317.67
8.1.20.0080.00017.71
8.1.10.0030.00517.69
8.1.00.0000.00717.70
8.0.300.0000.00818.77
8.0.290.0040.00417.18
8.0.280.0040.00418.54
8.0.270.0050.00217.45
8.0.260.0000.00816.93
8.0.250.0030.00317.14
8.0.240.0030.00317.17
8.0.230.0000.00716.99
8.0.220.0070.00016.96
8.0.210.0030.00516.99
8.0.200.0060.00017.05
8.0.190.0000.00817.02
8.0.180.0040.00416.83
8.0.170.0050.00316.84
8.0.160.0050.00316.91
8.0.150.0030.00416.89
8.0.140.0040.00416.91
8.0.130.0040.00413.34
8.0.120.0040.00416.89
8.0.110.0000.00816.78
8.0.100.0070.00016.83
8.0.90.0000.00716.76
8.0.80.0060.01016.93
8.0.70.0070.00016.92
8.0.60.0040.00416.96
8.0.50.0070.00016.95
8.0.30.0100.01017.16
8.0.20.0100.01117.42
8.0.10.0000.00716.96
8.0.00.0090.01116.81
7.4.330.0000.00515.03
7.4.320.0000.00616.64
7.4.300.0030.00316.57
7.4.290.0000.00616.56
7.4.280.0030.00316.55
7.4.270.0040.00416.64
7.4.260.0070.00016.61
7.4.250.0000.00716.63
7.4.240.0050.00216.61
7.4.230.0030.00316.47
7.4.220.0140.01116.52
7.4.210.0080.00716.66
7.4.200.0080.00016.74
7.4.190.0000.00716.55
7.4.160.0090.00916.61
7.4.150.0110.00717.40
7.4.140.0070.01017.86
7.4.130.0090.00916.59
7.4.120.0070.01016.64
7.4.110.0100.00716.51
7.4.100.0090.00816.68
7.4.90.0030.01416.66
7.4.80.0070.01119.39
7.4.70.0090.00916.39
7.4.60.0060.01216.59
7.4.50.0030.00316.31
7.4.40.0110.00722.77
7.4.30.0130.00316.64
7.4.00.0040.01114.83
7.3.330.0000.00513.04
7.3.320.0060.00013.11
7.3.310.0040.00416.26
7.3.300.0000.00716.22
7.3.290.0000.01616.30
7.3.280.0090.00616.32
7.3.270.0160.00017.40
7.3.260.0090.00916.52
7.3.250.0130.00516.70
7.3.240.0060.01116.61
7.3.230.0100.01016.39
7.3.210.0130.00916.40
7.3.200.0100.01019.39
7.3.190.0090.00916.64
7.3.180.0110.00516.42
7.3.170.0060.01516.40
7.3.160.0130.00316.40
7.3.120.0070.01014.96
7.2.330.0090.00916.71
7.2.320.0140.01116.86
7.2.310.0070.01716.55
7.2.300.0100.00716.84
7.2.290.0060.00916.66
7.2.80.0040.01216.46
7.2.60.0030.01016.80
7.2.00.0000.01419.47
7.1.200.0000.01015.66
7.1.100.0030.00918.13
7.1.70.0040.00416.97
7.1.60.0040.00719.82
7.1.50.0030.02017.03
7.1.00.0000.08022.43
7.0.200.0180.00616.85
7.0.140.0070.07022.21
7.0.60.0000.08719.90
7.0.50.0100.07717.82
7.0.40.0030.08720.06
7.0.30.0370.06020.17
7.0.20.0170.04320.09
7.0.10.0170.04020.12
7.0.00.0070.06020.02
5.6.280.0030.07321.15
5.6.210.0030.06020.66
5.6.200.0100.07718.19
5.6.190.0100.04320.27
5.6.180.3170.04320.35
5.6.170.0230.03320.48
5.6.160.0100.08020.37
5.6.150.0030.08318.11
5.6.140.0000.04018.20
5.6.130.0030.07018.21
5.6.120.0070.04020.96
5.6.110.0000.09320.98
5.6.100.0030.08021.00
5.6.90.0100.08321.10
5.6.80.0070.06020.36
5.5.350.0030.08320.44
5.5.340.0070.08017.91
5.5.330.0070.07020.25
5.5.320.0200.04020.30
5.5.310.0430.07320.21
5.5.300.0100.04717.87
5.5.290.0030.04018.02
5.5.280.0100.06020.77
5.5.270.0100.06320.97
5.5.260.0130.07320.76
5.5.250.0430.05320.71
5.5.240.0030.03720.15
5.4.450.0700.06719.28
5.4.440.0700.06019.55
5.4.430.0070.06019.62
5.4.420.0130.05019.25
5.4.410.0170.04719.44
5.4.400.0800.00018.75
5.4.390.0870.00018.59
5.4.380.0200.05718.70
5.4.370.1030.05318.62
5.4.360.0970.04718.46
5.4.350.0930.05718.61
5.4.340.0800.05718.71
5.4.320.0060.03712.45
5.4.310.0050.03812.45
5.4.300.0070.03912.46
5.4.290.0090.04212.45
5.4.280.0070.04012.35
5.4.270.0090.03512.32
5.4.260.0080.04512.32
5.4.250.0060.05412.32
5.4.240.0080.03712.32
5.4.230.0080.04412.31
5.4.220.0100.03612.31
5.4.210.0080.03612.31
5.4.200.0060.04112.31
5.4.190.0080.04812.30
5.4.180.0060.04212.31
5.4.170.0070.04312.32
5.4.160.0080.04512.32
5.4.150.0050.04012.31
5.4.140.0060.03911.99
5.4.130.0100.03611.98
5.4.120.0070.03711.93
5.4.110.0100.03111.93
5.4.100.0060.03611.93
5.4.90.0060.03911.93
5.4.80.0090.03811.93
5.4.70.0070.04911.93
5.4.60.0030.04011.93
5.4.50.0090.03711.93
5.4.40.0070.03711.91
5.4.30.0100.03511.91
5.4.20.0090.03611.91
5.4.10.0080.03411.91
5.4.00.0060.03911.40
5.3.290.0070.04012.80
5.3.280.0020.04312.71
5.3.270.0040.04412.72
5.3.260.0040.04312.72
5.3.250.0060.06612.72
5.3.240.0050.05312.72
5.3.230.0100.04312.71
5.3.220.0090.03612.68
5.3.210.0060.04312.68
5.3.200.0080.04912.68
5.3.190.0080.04612.67
5.3.180.0100.04512.67
5.3.170.0070.03812.67
5.3.160.0050.03912.67
5.3.150.0060.03812.67
5.3.140.0030.04112.66
5.3.130.0090.04012.66
5.3.120.0070.04112.66
5.3.110.0070.05712.66
5.3.100.0110.04612.11
5.3.90.0080.03812.08
5.3.80.0040.04612.08
5.3.70.0070.05012.07
5.3.60.0080.04312.07
5.3.50.0060.04912.00
5.3.40.0080.04312.00
5.3.30.0060.03711.94
5.3.20.0050.03811.71
5.3.10.0070.03911.65
5.3.00.0140.05011.64
5.2.170.0060.0549.14
5.2.160.0060.0349.14
5.2.150.0110.0399.14
5.2.140.0080.0379.14
5.2.130.0070.0339.10
5.2.120.0050.0319.10
5.2.110.0050.0329.10
5.2.100.0110.0439.11
5.2.90.0080.0399.10
5.2.80.0090.0459.09
5.2.70.0070.0429.09
5.2.60.0080.0399.05
5.2.50.0110.0449.02
5.2.40.0060.0328.99
5.2.30.0060.0398.97
5.2.20.0060.0328.95
5.2.10.0050.0318.88
5.2.00.0060.0298.74
5.1.60.0070.0248.03
5.1.50.0040.0258.03
5.1.40.0060.0248.01
5.1.30.0060.0318.35
5.1.20.0080.0338.38
5.1.10.0080.0328.11
5.1.00.0060.0358.10
5.0.50.0030.0286.58
5.0.40.0040.0266.44
5.0.30.0030.0336.26
5.0.20.0070.0236.23
5.0.10.0040.0266.21
5.0.00.0080.0346.20
4.4.90.0020.0234.78
4.4.80.0040.0154.76
4.4.70.0020.0164.75
4.4.60.0020.0154.76
4.4.50.0030.0174.77
4.4.40.0030.0284.71
4.4.30.0020.0184.76
4.4.20.0040.0144.84
4.4.10.0050.0134.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0050.0134.67
4.3.90.0040.0154.63
4.3.80.0030.0234.58
4.3.70.0020.0154.63
4.3.60.0050.0134.62
4.3.50.0050.0134.63
4.3.40.0020.0254.54
4.3.30.0010.0163.27
4.3.20.0020.0163.25
4.3.10.0030.0153.21
4.3.00.0100.0237.12

preferences:
44.01 ms | 400 KiB | 5 Q