3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a='h1'; $a++; echo "A: $a\n"; $b='h1'; $b+=1; echo "B: $b\n";

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)
8.3.40.0140.00318.92
8.3.30.0090.00618.91
8.3.20.0080.00020.09
8.3.10.0040.00421.66
8.3.00.0000.00817.93
8.2.170.0120.00322.96
8.2.160.0130.00620.39
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00021.01
8.2.110.0080.00822.21
8.2.100.0110.00018.22
8.2.90.0040.00419.22
8.2.80.0060.00317.97
8.2.70.0090.00017.63
8.2.60.0060.00617.80
8.2.50.0050.00518.07
8.2.40.0040.00418.09
8.2.30.0100.00018.25
8.2.20.0000.00717.67
8.2.10.0040.00418.09
8.2.00.0000.00717.72
8.1.270.0030.00623.86
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0070.01323.71
8.1.230.0070.00419.09
8.1.220.0080.00017.76
8.1.210.0000.00818.77
8.1.200.0060.00617.35
8.1.190.0040.00417.22
8.1.180.0030.00518.10
8.1.170.0090.00018.65
8.1.160.0050.00221.94
8.1.150.0050.00218.91
8.1.140.0050.00317.37
8.1.130.0050.00317.72
8.1.120.0000.00917.43
8.1.110.0070.00017.38
8.1.100.0040.00417.35
8.1.90.0030.00617.39
8.1.80.0000.00717.39
8.1.70.0000.00717.31
8.1.60.0000.00917.50
8.1.50.0050.00217.46
8.1.40.0040.00417.39
8.1.30.0050.00317.61
8.1.20.0000.00817.54
8.1.10.0050.00217.50
8.1.00.0060.00317.51
8.0.300.0000.00818.77
8.0.290.0120.00016.63
8.0.280.0040.00418.43
8.0.270.0000.00817.12
8.0.260.0040.00417.20
8.0.250.0000.00716.96
8.0.240.0070.00016.93
8.0.230.0070.00016.88
8.0.220.0050.00216.86
8.0.210.0070.00016.90
8.0.200.0000.00616.91
8.0.190.0000.00717.02
8.0.180.0040.00416.97
8.0.170.0050.00216.89
8.0.160.0030.00316.90
8.0.150.0030.00516.79
8.0.140.0000.00716.86
8.0.130.0030.00313.35
8.0.120.0030.00616.82
8.0.110.0000.00716.90
8.0.100.0000.00816.76
8.0.90.0070.00016.77
8.0.80.0090.00616.95
8.0.70.0070.00016.93
8.0.60.0040.00416.96
8.0.50.0040.00417.00
8.0.30.0160.00716.95
8.0.20.0090.00917.40
8.0.10.0050.00316.86
8.0.00.0120.00516.83
7.4.330.0000.00615.00
7.4.320.0070.00016.55
7.4.300.0000.00616.51
7.4.290.0000.00816.43
7.4.280.0070.00016.41
7.4.270.0000.00716.46
7.4.260.0060.00316.46
7.4.250.0040.00416.39
7.4.240.0020.00516.46
7.4.230.0040.00416.33
7.4.220.0120.01216.54
7.4.210.0030.01016.63
7.4.200.0040.00416.41
7.4.160.0050.01116.62
7.4.150.0110.00717.40
7.4.140.0120.00517.86
7.4.130.0090.00916.43
7.4.120.0100.01116.50
7.4.110.0130.00316.54
7.4.100.0080.00816.43
7.4.90.0130.00716.49
7.4.80.0110.01219.39
7.4.70.0160.00016.33
7.4.60.0130.00716.52
7.4.50.0020.00216.34
7.4.40.0080.01216.55
7.4.30.0090.01316.59
7.4.00.0100.00314.91
7.3.330.0020.00213.20
7.3.320.0020.00213.04
7.3.310.0000.00716.45
7.3.300.0030.00316.30
7.3.290.0060.01116.30
7.3.280.0090.00616.29
7.3.270.0130.00917.40
7.3.260.0120.00916.41
7.3.250.0100.00716.49
7.3.240.0060.01016.43
7.3.230.0150.00616.39
7.3.210.0070.01016.37
7.3.200.0110.00619.39
7.3.190.0120.00616.40
7.3.180.0070.00716.37
7.3.170.0080.00816.33
7.3.160.0000.01616.63
7.3.120.0030.01214.71
7.2.330.0110.00616.49
7.2.320.0130.00316.41
7.2.310.0070.01016.61
7.2.300.0090.00616.52
7.2.290.0060.00916.61
7.2.60.0070.00716.96
7.2.00.0030.01219.30
7.1.200.0120.00015.61
7.1.100.0030.01018.26
7.1.70.0040.00416.80
7.1.60.0060.00619.70
7.1.50.0110.00016.94
7.1.00.0100.06322.44
7.0.200.0050.00216.82
7.0.140.0030.07322.05
7.0.60.0030.04019.77
7.0.50.0100.06317.88
7.0.40.0100.08320.23
7.0.30.0330.06020.12
7.0.20.0270.08020.12
7.0.10.0030.04720.12
7.0.00.0030.04320.12
5.6.280.0130.06320.92
5.6.210.0100.07320.72
5.6.200.0070.08318.15
5.6.190.0100.04020.64
5.6.180.0400.08320.41
5.6.170.0270.08320.47
5.6.160.0030.07720.50
5.6.150.0130.07318.12
5.6.140.0000.04318.20
5.6.130.0070.03718.08
5.6.120.0100.03321.01
5.6.110.0030.04021.00
5.6.100.0030.06321.02
5.6.90.0100.06021.07
5.6.80.0130.07720.52
5.5.350.0130.08720.37
5.5.340.0200.07317.95
5.5.330.0070.04020.28
5.5.320.0200.05020.26
5.5.310.0270.06720.29
5.5.300.0130.07717.98
5.5.290.0100.08018.00
5.5.280.0130.05020.89
5.5.270.0030.06020.70
5.5.260.0070.08720.75
5.5.250.0100.03320.68
5.5.240.0100.07020.36
5.4.450.0530.06319.58
5.4.440.0770.08319.44
5.4.430.0200.06319.45
5.4.420.0170.04719.32
5.4.410.0130.06318.72
5.4.400.0100.05718.80
5.4.390.0230.05318.68
5.4.380.0170.05318.53
5.4.370.0030.04018.44
5.4.360.0130.03718.57
5.4.350.0070.03811.97
5.4.340.0090.04611.97
5.4.320.0070.04512.45
5.4.310.0060.03812.45
5.4.300.0050.03812.45
5.4.290.0050.03912.45
5.4.280.0040.03612.35
5.4.270.0070.03512.34
5.4.260.0090.05512.34
5.4.250.0070.03812.35
5.4.240.0060.03512.35
5.4.230.0080.03612.34
5.4.220.0040.03912.34
5.4.210.0050.03612.34
5.4.200.0080.03612.34
5.4.190.0060.03512.33
5.4.180.0070.04912.34
5.4.170.0080.03612.35
5.4.160.0060.03612.34
5.4.150.0050.04012.34
5.4.140.0080.04512.02
5.4.130.0100.04212.01
5.4.120.0100.03611.96
5.4.110.0050.03611.96
5.4.100.0040.03611.96
5.4.90.0060.03711.96
5.4.80.0040.03811.96
5.4.70.0070.04011.96
5.4.60.0030.03711.96
5.4.50.0020.03811.96
5.4.40.0050.03511.95
5.4.30.0040.03611.95
5.4.20.0050.03711.95
5.4.10.0090.03411.95
5.4.00.0040.03711.44
5.3.290.0100.04312.80
5.3.280.0070.04112.71
5.3.270.0080.04612.72
5.3.260.0030.04112.71
5.3.250.0050.03812.72
5.3.240.0070.03912.72
5.3.230.0050.04112.71
5.3.220.0030.04012.68
5.3.210.0080.05212.68
5.3.200.0090.03712.68
5.3.190.0080.03612.68
5.3.180.0040.03812.67
5.3.170.0100.03612.66
5.3.160.0050.04112.67
5.3.150.0070.03912.68
5.3.140.0080.03512.66
5.3.130.0080.04612.66
5.3.120.0060.04012.66
5.3.110.0050.04012.66
5.3.100.0050.04412.12
5.3.90.0030.03912.08
5.3.80.0080.04112.07
5.3.70.0060.03512.08
5.3.60.0030.03812.06
5.3.50.0050.03712.00
5.3.40.0030.04012.00
5.3.30.0070.03311.94
5.3.20.0040.03711.72
5.3.10.0030.04211.69
5.3.00.0070.04211.67
5.2.170.0040.0319.18
5.2.160.0030.0349.18
5.2.150.0060.0339.18
5.2.140.0060.0339.17
5.2.130.0040.0299.13
5.2.120.0050.0289.13
5.2.110.0060.0279.14
5.2.100.0080.0279.14
5.2.90.0050.0289.14
5.2.80.0060.0309.13
5.2.70.0040.0319.13
5.2.60.0070.0269.08
5.2.50.0060.0309.06
5.2.40.0040.0299.03
5.2.30.0040.0299.01
5.2.20.0050.0298.99
5.2.10.0040.0288.93
5.2.00.0070.0278.79
5.1.60.0030.0258.08
5.1.50.0070.0288.07
5.1.40.0060.0258.05
5.1.30.0040.0258.40
5.1.20.0020.0298.43
5.1.10.0080.0228.15
5.1.00.0030.0268.15
5.0.50.0030.0216.63
5.0.40.0020.0206.48
5.0.30.0040.0316.30
5.0.20.0040.0186.27
5.0.10.0070.0306.25
5.0.00.0050.0326.24
4.4.90.0030.0154.78
4.4.80.0010.0174.75
4.4.70.0030.0144.75
4.4.60.0050.0204.75
4.4.50.0010.0174.77
4.4.40.0050.0234.71
4.4.30.0030.0174.76
4.4.20.0060.0134.85
4.4.10.0050.0184.85
4.4.00.0020.0294.76
4.3.110.0030.0184.66
4.3.100.0020.0154.67
4.3.90.0020.0154.64
4.3.80.0020.0254.58
4.3.70.0020.0164.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0030.0244.54
4.3.30.0010.0163.30
4.3.20.0000.0173.27
4.3.10.0010.0163.23
4.3.00.0070.0277.15

preferences:
47.94 ms | 400 KiB | 5 Q