3v4l.org

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

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)
8.3.40.0110.00418.84
8.3.30.0110.00318.79
8.3.20.0000.00720.16
8.3.10.0000.00822.04
8.3.00.0080.00022.41
8.2.170.0040.01422.96
8.2.160.0100.00320.95
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00417.88
8.2.110.0070.00321.15
8.2.100.0060.00617.97
8.2.90.0000.00819.36
8.2.80.0000.00817.97
8.2.70.0080.00017.75
8.2.60.0040.00418.05
8.2.50.0040.00418.10
8.2.40.0110.00020.60
8.2.30.0030.00518.09
8.2.20.0080.00017.71
8.2.10.0040.00419.60
8.2.00.0040.00417.80
8.1.270.0070.00021.95
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0060.00322.75
8.1.230.0030.00717.89
8.1.220.0050.00317.88
8.1.210.0030.00618.77
8.1.200.0000.00817.47
8.1.190.0030.00617.35
8.1.180.0080.00018.10
8.1.170.0070.00518.64
8.1.160.0050.00322.18
8.1.150.0050.00318.70
8.1.140.0060.00317.60
8.1.130.0030.00317.86
8.1.120.0040.00417.65
8.1.110.0060.00317.54
8.1.100.0000.00817.66
8.1.90.0000.00717.66
8.1.80.0030.00317.66
8.1.70.0000.00817.59
8.1.60.0040.00417.59
8.1.50.0000.00717.54
8.1.40.0000.00817.61
8.1.30.0000.00817.74
8.1.20.0050.00317.78
8.1.10.0040.00417.79
8.1.00.0080.00017.64
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.52
8.0.270.0030.00317.35
8.0.260.0000.00717.01
8.0.250.0000.00717.05
8.0.240.0040.00417.12
8.0.230.0050.00217.00
8.0.220.0000.00716.91
8.0.210.0070.00016.91
8.0.200.0000.00717.08
8.0.190.0040.00417.04
8.0.180.0000.00717.04
8.0.170.0040.00417.00
8.0.160.0020.00517.08
8.0.150.0030.00517.00
8.0.140.0000.00717.02
8.0.130.0000.00513.34
8.0.120.0000.00816.96
8.0.110.0040.00417.04
8.0.100.0000.00716.99
8.0.90.0000.00716.88
8.0.80.0070.01017.09
8.0.70.0050.00316.97
8.0.60.0000.00816.84
8.0.50.0030.00516.87
8.0.30.0070.01717.09
8.0.20.0060.01217.48
8.0.10.0040.00417.28
8.0.00.0100.00816.91
7.4.330.0050.00316.26
7.4.320.0070.00016.68
7.4.300.0040.00416.75
7.4.290.0030.00316.56
7.4.280.0000.01016.52
7.4.270.0030.00316.70
7.4.260.0040.00416.61
7.4.250.0070.00016.62
7.4.240.0040.00316.65
7.4.230.0040.00416.70
7.4.220.0090.01216.67
7.4.210.0090.00716.67
7.4.200.0060.00316.52
7.4.190.0070.00016.68
7.4.160.0120.00816.66
7.4.150.0150.00917.40
7.4.140.0140.00717.86
7.4.130.0120.00616.72
7.4.120.0090.00916.72
7.4.110.0060.01216.90
7.4.100.0090.00916.49
7.4.90.0130.00616.68
7.4.80.0060.01119.39
7.4.70.0080.00816.64
7.4.60.0060.01516.66
7.4.50.0040.00416.51
7.4.40.0070.01122.77
7.4.30.0120.00316.62
7.4.00.0090.00315.08
7.3.330.0000.00513.17
7.3.320.0020.00213.04
7.3.310.0030.00316.18
7.3.300.0040.00416.30
7.3.290.0100.01016.36
7.3.280.0090.01016.31
7.3.270.0190.00317.40
7.3.260.0130.00316.55
7.3.250.0120.00616.54
7.3.240.0180.00616.59
7.3.230.0110.00516.39
7.3.210.0120.00616.54
7.3.200.0060.01019.39
7.3.190.0130.01016.39
7.3.180.0150.00516.57
7.3.170.0030.01516.67
7.3.160.0090.00616.67
7.3.120.0040.00415.15
7.2.330.0160.00516.72
7.2.320.0100.00616.99
7.2.310.0110.01116.85
7.2.300.0090.01416.90
7.2.290.0100.00516.74
7.2.60.0090.00617.03
7.2.00.0070.00719.43
7.1.200.0090.00615.76
7.1.100.0030.00618.25
7.1.70.0000.01417.12
7.1.60.0110.01419.82
7.1.50.0070.01416.96
7.1.00.0030.07322.31
7.0.200.0030.00716.86
7.0.140.0100.06022.02
7.0.60.0200.07019.91
7.0.50.0070.06717.91
7.0.40.0130.08320.06
7.0.30.0270.07720.09
7.0.20.0270.08720.13
7.0.10.0430.05720.34
7.0.00.0100.04020.00
5.6.280.0000.07721.12
5.6.210.0070.04020.51
5.6.200.0070.06318.12
5.6.190.0030.08720.64
5.6.180.0130.05320.46
5.6.170.0270.04320.71
5.6.160.0030.05020.38
5.6.150.0100.05318.15
5.6.140.0030.06318.22
5.6.130.0000.06318.11
5.6.120.0030.04721.12
5.6.110.0130.07720.98
5.6.100.0070.08721.08
5.6.90.0070.08720.98
5.6.80.0000.07720.53
5.6.70.4330.02720.38
5.5.350.0470.06320.40
5.5.340.0130.07317.98
5.5.330.0170.06720.58
5.5.320.0130.08020.44
5.5.310.0270.04020.24
5.5.300.0000.04318.01
5.5.290.0030.05017.89
5.5.280.0030.04720.85
5.5.270.0100.08020.76
5.5.260.0130.07020.67
5.5.250.0030.08720.69
5.5.240.0070.07020.28
5.4.450.0830.06319.11
5.4.440.0670.06319.10
5.4.430.0000.06719.41
5.4.420.0200.04719.46
5.4.410.0030.08718.96
5.4.400.0300.05018.83
5.4.390.0200.05018.52
5.4.380.0230.06018.78
5.4.370.0270.03718.61
5.4.360.0300.04718.46
5.4.350.0110.03411.97
5.4.340.0050.03711.97
5.4.320.0060.03612.46
5.4.310.0040.04212.45
5.4.300.0050.05012.46
5.4.290.0090.03412.45
5.4.280.0080.03612.33
5.4.270.0050.03912.32
5.4.260.0080.05012.32
5.4.250.0060.05512.32
5.4.240.0070.05412.32
5.4.230.0070.05312.31
5.4.220.0040.05512.32
5.4.210.0050.05412.32
5.4.200.0100.05012.32
5.4.190.0110.04812.31
5.4.180.0070.05212.31
5.4.170.0100.05212.32
5.4.160.0090.03512.32
5.4.150.0040.03912.32
5.4.140.0080.03612.00
5.4.130.0040.03811.99
5.4.120.0060.03611.94
5.4.110.0100.04011.94
5.4.100.0060.03711.94
5.4.90.0020.04411.93
5.4.80.0030.05011.93
5.4.70.0050.03811.93
5.4.60.0070.03611.93
5.4.50.0090.06111.93
5.4.40.0050.03711.92
5.4.30.0080.03511.92
5.4.20.0080.03311.92
5.4.10.0040.04211.92
5.4.00.0040.03811.41
5.3.290.0060.03912.80
5.3.280.0070.04012.71
5.3.270.0060.04012.72
5.3.260.0080.04012.72
5.3.250.0140.04912.72
5.3.240.0070.07012.72
5.3.230.0110.06612.71
5.3.220.0080.03812.68
5.3.210.0060.04312.68
5.3.200.0080.03812.68
5.3.190.0080.05112.67
5.3.180.0130.04812.68
5.3.170.0160.06212.67
5.3.160.0090.05212.68
5.3.150.0080.03812.67
5.3.140.0100.03312.66
5.3.130.0040.04112.66
5.3.120.0030.04112.65
5.3.110.0080.03712.66
5.3.100.0080.04012.12
5.3.90.0100.04612.08
5.3.80.0080.04612.07
5.3.70.0060.05012.07
5.3.60.0070.04512.06
5.3.50.0090.03412.00
5.3.40.0060.03812.00
5.3.30.0070.03511.94
5.3.20.0050.03811.71
5.3.10.0050.04311.67
5.3.00.0080.04111.66
5.2.170.0050.0299.19
5.2.160.0070.0279.19
5.2.150.0060.0299.19
5.2.140.0040.0319.18
5.2.130.0030.0319.15
5.2.120.0040.0289.14
5.2.110.0060.0289.16
5.2.100.0060.0329.15
5.2.90.0060.0299.15
5.2.80.0110.0309.15
5.2.70.0050.0319.14
5.2.60.0020.0349.10
5.2.50.0030.0339.07
5.2.40.0010.0359.05
5.2.30.0050.0349.03
5.2.20.0060.0309.01
5.2.10.0020.0368.92
5.2.00.0050.0348.79
5.1.60.0040.0268.04
5.1.50.0080.0318.04
5.1.40.0040.0268.02
5.1.30.0030.0278.37
5.1.20.0050.0268.39
5.1.10.0030.0278.12
5.1.00.0050.0258.12
5.0.50.0040.0226.59
5.0.40.0060.0266.46
5.0.30.0070.0396.27
5.0.20.0050.0266.24
5.0.10.0050.0296.22
5.0.00.0050.0396.21
4.4.90.0040.0214.78
4.4.80.0030.0224.75
4.4.70.0060.0194.75
4.4.60.0040.0214.75
4.4.50.0040.0224.77
4.4.40.0050.0324.71
4.4.30.0030.0224.76
4.4.20.0040.0224.84
4.4.10.0010.0254.84
4.4.00.0030.0334.76
4.3.110.0050.0324.67
4.3.100.0040.0214.66
4.3.90.0040.0214.63
4.3.80.0040.0324.58
4.3.70.0030.0224.63
4.3.60.0060.0194.63
4.3.50.0030.0234.63
4.3.40.0040.0334.54
4.3.30.0040.0213.27
4.3.20.0070.0183.25
4.3.10.0030.0223.21
4.3.00.0200.01713.22

preferences:
60.6 ms | 400 KiB | 5 Q