3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tz = new DateTimeZone('America/Denver'); $now = new DateTime('August 31', $tz); echo 'today ' . $now->format('M-d'); $now->modify('first day this month'); echo 'first ' .$now->format('M-d'); $now = new DateTime('August 31', $tz); $now->modify('last day this month'); echo 'last ' .$now->format('M-d'); $now->modify('first day this month'); echo 'first after last ' .$now->format('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)
8.3.60.0040.01218.43
8.3.50.0120.00919.67
8.3.40.0120.00318.94
8.3.30.0110.00419.27
8.3.20.0070.00020.30
8.3.10.0000.00821.95
8.3.00.0070.00317.66
8.2.180.0120.00318.25
8.2.170.0100.00722.96
8.2.160.0070.00720.57
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0080.00626.16
8.2.120.0080.00021.00
8.2.110.0040.01122.20
8.2.100.0060.00618.28
8.2.90.0040.00419.21
8.2.80.0080.00017.97
8.2.70.0060.00317.75
8.2.60.0030.00518.16
8.2.50.0060.00318.07
8.2.40.0080.00018.28
8.2.30.0040.00418.27
8.2.20.0050.00317.86
8.2.10.0000.00718.08
8.2.00.0040.00417.95
8.1.280.0090.01225.92
8.1.270.0030.00523.93
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.15
8.1.230.0070.00419.16
8.1.220.0000.00917.79
8.1.210.0000.00818.77
8.1.200.0030.00617.47
8.1.190.0050.00317.60
8.1.180.0000.00818.10
8.1.170.0030.00618.75
8.1.160.0000.00722.05
8.1.150.0030.00618.83
8.1.140.0050.00317.64
8.1.130.0030.00317.88
8.1.120.0040.00417.66
8.1.110.0000.00717.55
8.1.100.0000.00717.69
8.1.90.0040.00317.68
8.1.80.0000.00717.65
8.1.70.0030.00317.61
8.1.60.0060.00317.63
8.1.50.0040.00417.69
8.1.40.0070.00017.58
8.1.30.0000.00817.81
8.1.20.0040.00417.84
8.1.10.0000.00817.73
8.1.00.0030.00617.72
8.0.300.0000.00718.77
8.0.290.0050.00216.88
8.0.280.0000.00718.58
8.0.270.0040.00417.30
8.0.260.0030.00317.33
8.0.250.0070.00017.23
8.0.240.0040.00417.15
8.0.230.0040.00417.14
8.0.220.0030.00317.20
8.0.210.0040.00417.14
8.0.200.0000.00617.05
8.0.190.0040.00417.11
8.0.180.0020.00517.06
8.0.170.0000.00817.16
8.0.160.0030.00717.00
8.0.150.0000.00717.11
8.0.140.0050.00316.98
8.0.130.0000.00513.55
8.0.120.0050.00317.05
8.0.110.0000.00717.09
8.0.100.0000.00717.07
8.0.90.0040.00417.11
8.0.80.0090.00617.06
8.0.70.0050.00217.18
8.0.60.0040.00416.89
8.0.50.0060.00317.15
8.0.30.0080.01217.24
8.0.20.0120.00817.40
8.0.10.0040.00417.08
8.0.00.0110.00816.89
7.4.330.0000.00515.03
7.4.320.0070.00016.66
7.4.300.0040.00416.68
7.4.290.0030.00316.69
7.4.280.0000.00716.64
7.4.270.0030.00516.63
7.4.260.0040.00416.58
7.4.250.0050.00316.70
7.4.240.0000.00716.69
7.4.230.0070.00016.40
7.4.220.0120.00616.71
7.4.210.0030.01016.73
7.4.200.0000.00716.69
7.4.160.0060.01116.71
7.4.150.0110.01517.40
7.4.140.0130.00617.86
7.4.130.0120.00816.76
7.4.120.0030.01316.67
7.4.110.0150.00416.58
7.4.100.0150.00316.66
7.4.90.0090.00916.78
7.4.80.0140.00719.39
7.4.70.0150.00316.64
7.4.60.0160.00016.62
7.4.50.0000.00816.72
7.4.40.0130.00316.50
7.4.30.0100.01016.50
7.4.00.0000.01814.80
7.3.330.0000.00713.31
7.3.320.0000.00613.23
7.3.310.0000.00716.23
7.3.300.0040.00416.25
7.3.290.0070.00716.45
7.3.280.0100.00816.40
7.3.270.0090.01117.40
7.3.260.0210.00316.48
7.3.250.0030.01716.47
7.3.240.0150.00316.46
7.3.230.0130.00316.63
7.3.210.0110.00716.46
7.3.200.0120.00919.39
7.3.190.0150.00416.40
7.3.180.0100.01016.67
7.3.170.0100.01316.75
7.3.160.0110.00616.72
7.2.330.0140.00416.92
7.2.320.0120.00616.83
7.2.310.0060.01116.61
7.2.300.0070.01016.89
7.2.290.0130.00317.02
7.2.00.0110.01119.56
7.1.100.0030.01418.32
7.1.70.0000.00717.18
7.1.60.0080.00317.34
7.1.50.0000.02217.09
7.1.00.0070.07322.31
7.0.200.0070.01316.73
7.0.140.0000.07721.92
7.0.60.0070.04720.07
7.0.50.0030.08317.82
7.0.40.0000.09320.08
7.0.30.0330.07020.17
7.0.20.0170.05020.20
7.0.10.0100.04320.09
7.0.00.0070.03720.07
5.6.280.0030.07321.01
5.6.210.0070.06020.52
5.6.200.0070.08318.19
5.6.190.0070.06020.36
5.6.180.3730.03720.58
5.6.170.0270.08020.49
5.6.160.0130.07720.44
5.6.150.0100.07718.12
5.6.140.0100.06318.18
5.6.130.0070.03718.18
5.6.120.0030.09021.04
5.6.110.0100.08320.93
5.6.100.0070.06020.88
5.6.90.0030.04021.11
5.6.80.0070.06720.40
5.5.350.0070.08020.42
5.5.340.0030.08317.93
5.5.330.0070.08320.43
5.5.320.0230.08020.29
5.5.310.0270.05720.12
5.5.300.0170.07317.92
5.5.290.0070.06018.01
5.5.280.0100.05720.87
5.5.270.0070.08720.75
5.5.260.0070.04020.86
5.5.250.0030.04020.56
5.5.240.0330.06020.28
5.4.450.0100.05019.27
5.4.440.0200.04719.41
5.4.430.0170.03719.54
5.4.420.0130.04719.57
5.4.410.0270.04319.29
5.4.400.0370.04319.09
5.4.390.0170.05018.81
5.4.380.0500.05318.68
5.4.370.0400.04718.67
5.4.360.0930.05018.63
5.4.350.0330.06018.55
5.4.340.0330.05718.68
5.4.320.0080.04312.46
5.4.310.0080.04312.45
5.4.300.0070.03912.46
5.4.290.0070.03912.45
5.4.280.0060.04512.35
5.4.270.0070.03712.35
5.4.260.0050.04012.35
5.4.250.0060.03712.35
5.4.240.0070.03512.35
5.4.230.0030.04012.34
5.4.220.0080.03712.34
5.4.210.0060.03512.34
5.4.200.0050.03812.34
5.4.190.0050.04412.34
5.4.180.0070.03512.34
5.4.170.0030.03912.35
5.4.160.0090.03212.35
5.4.150.0080.03912.34
5.4.140.0060.03712.02
5.4.130.0050.04012.02
5.4.120.0100.03611.98
5.4.110.0050.03811.97
5.4.100.0040.03611.96
5.4.90.0080.03411.96
5.4.80.0050.04211.97
5.4.70.0090.03911.96
5.4.60.0040.03611.96
5.4.50.0100.03311.96
5.4.40.0040.03511.95
5.4.30.0060.03511.95
5.4.20.0080.03311.95
5.4.10.0050.03511.95
5.4.00.0050.03611.44
5.3.290.0050.04512.80
5.3.280.0050.03812.71
5.3.270.0070.03812.72
5.3.260.0040.04412.72
5.3.250.0060.03712.71
5.3.240.0050.03912.72
5.3.230.0060.03812.71
5.3.220.0050.03912.68
5.3.210.0090.03612.68
5.3.200.0080.03512.68
5.3.190.0070.03612.68
5.3.180.0040.03912.68
5.3.170.0080.03612.67
5.3.160.0070.04412.67
5.3.150.0060.03712.68
5.3.140.0090.03312.66
5.3.130.0090.03612.66
5.3.120.0050.04212.66
5.3.110.0030.04112.66
5.3.100.0100.03612.12
5.3.90.0070.03612.09
5.3.80.0060.03712.08
5.3.70.0060.03712.07
5.3.60.0060.03612.06
5.3.50.0060.03712.00
5.3.40.0080.03512.00
5.3.30.0050.03611.95
5.3.20.0080.03311.72
5.3.10.0050.03611.69
5.3.00.0080.03511.68
5.2.170.0030.0339.18
5.2.160.0010.0349.18
5.2.150.0060.0329.18
5.2.140.0030.0329.18
5.2.130.0070.0279.14
5.2.120.0060.0289.14
5.2.110.0030.0319.14
5.2.100.0070.0269.14
5.2.90.0090.0269.14
5.2.80.0050.0309.14
5.2.70.0050.0309.14
5.2.60.0050.0309.09
5.2.50.0040.0319.06
5.2.40.0040.0309.04
5.2.30.0060.0289.01
5.2.20.0050.0299.00
5.2.10.0060.0328.92
5.2.00.0050.0288.78
5.1.60.0040.0248.07
5.1.50.0050.0238.06
5.1.40.0030.0258.05
5.1.30.0020.0288.40
5.1.20.0070.0318.42
5.1.10.0050.0258.14
5.1.00.0050.0308.14
5.0.50.0040.0206.63
5.0.40.0020.0206.49
5.0.30.0020.0326.30
5.0.20.0040.0186.27
5.0.10.0060.0176.25
5.0.00.0050.0306.25
4.4.90.0040.0144.78
4.4.80.0030.0154.75
4.4.70.0020.0164.76
4.4.60.0020.0164.76
4.4.50.0010.0174.77
4.4.40.0030.0254.71
4.4.30.0020.0164.75
4.4.20.0020.0174.84
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0040.0144.67
4.3.100.0030.0154.66
4.3.90.0010.0174.63
4.3.80.0020.0254.59
4.3.70.0040.0184.63
4.3.60.0030.0134.63
4.3.50.0020.0154.63
4.3.40.0020.0244.54
4.3.30.0030.0153.29
4.3.20.0010.0223.26
4.3.10.0020.0163.22
4.3.00.0000.01715.90

preferences:
55.95 ms | 400 KiB | 5 Q