3v4l.org

run code in 300+ PHP versions simultaneously
<?php class CamelCases { } class camelcases { }

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)
8.3.40.0100.00718.81
8.3.30.0070.00718.88
8.3.20.0070.00020.20
8.3.10.0060.00323.35
8.3.00.0080.00019.38
8.2.170.0030.01022.96
8.2.160.0040.01120.57
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0070.00021.09
8.2.110.0060.00320.51
8.2.100.0070.00418.03
8.2.90.0020.00519.25
8.2.80.0040.00417.97
8.2.70.0080.00017.38
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0060.00318.03
8.2.30.0040.00417.85
8.2.20.0030.00517.72
8.2.10.0040.00418.05
8.2.00.0000.00817.55
8.1.270.0060.01323.91
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0060.00323.82
8.1.230.0000.01219.09
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0080.00417.23
8.1.190.0000.00817.11
8.1.180.0080.00018.10
8.1.170.0050.00318.58
8.1.160.0070.00022.06
8.1.150.0050.00218.75
8.1.140.0000.00817.42
8.1.130.0000.00817.71
8.1.120.0000.01117.34
8.1.110.0000.00817.35
8.1.100.0030.00317.28
8.1.90.0000.00717.38
8.1.80.0000.00817.45
8.1.70.0040.00417.27
8.1.60.0080.00017.49
8.1.50.0000.00817.43
8.1.40.0000.00717.39
8.1.30.0030.00517.37
8.1.20.0080.00017.55
8.1.10.0040.00417.36
8.1.00.0050.00317.30
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00618.38
8.0.270.0040.00417.10
8.0.260.0030.00317.23
8.0.250.0000.00716.82
8.0.240.0070.00016.92
8.0.230.0070.00017.01
8.0.220.0030.00316.82
8.0.210.0030.00316.89
8.0.200.0030.00316.87
8.0.190.0040.00417.01
8.0.180.0050.00216.88
8.0.170.0080.00016.80
8.0.160.0000.00716.95
8.0.150.0000.00716.86
8.0.140.0040.00416.86
8.0.130.0000.00513.27
8.0.120.0000.00816.86
8.0.110.0040.00416.86
8.0.100.0030.00516.85
8.0.90.0070.00016.78
8.0.80.0060.01316.79
8.0.70.0000.00716.87
8.0.60.0000.00716.83
8.0.50.0000.00716.85
8.0.30.0100.00816.84
8.0.20.0160.00517.40
8.0.10.0050.00316.82
8.0.00.0090.01216.68
7.4.330.0000.00815.00
7.4.320.0000.00716.36
7.4.300.0030.00316.42
7.4.290.0070.00016.51
7.4.280.0040.00416.42
7.4.270.0070.00016.54
7.4.260.0040.00416.50
7.4.250.0040.00416.38
7.4.240.0050.00216.36
7.4.230.0040.00416.57
7.4.220.0090.01216.30
7.4.210.0060.01216.54
7.4.200.0040.00416.40
7.4.160.0040.01116.22
7.4.150.0040.01217.40
7.4.140.0100.00717.86
7.4.130.0120.00816.40
7.4.120.0080.01216.53
7.4.110.0080.01516.36
7.4.100.0100.01016.48
7.4.90.0110.00616.59
7.4.80.0060.01519.39
7.4.70.0110.00616.37
7.4.60.0070.01016.19
7.4.50.0050.00316.40
7.4.40.0090.00916.36
7.4.30.0090.00616.57
7.4.00.0060.00914.67
7.3.330.0000.00513.09
7.3.320.0000.00513.30
7.3.310.0030.00316.16
7.3.300.0070.00016.11
7.3.290.0090.00516.19
7.3.280.0050.01016.18
7.3.270.0090.00917.40
7.3.260.0040.01716.52
7.3.250.0120.00516.33
7.3.240.0060.01816.45
7.3.230.0150.00616.39
7.3.210.0060.01016.24
7.3.200.0090.00919.39
7.3.190.0030.01316.52
7.3.180.0090.00616.41
7.3.170.0120.00916.36
7.3.160.0100.00716.52
7.2.330.0050.01316.57
7.2.320.0110.00616.29
7.2.310.0140.01116.57
7.2.300.0110.00516.21
7.2.290.0070.01016.60
7.2.60.0030.01016.80
7.2.00.0070.00719.09
7.1.200.0100.00315.41
7.1.100.0040.00717.64
7.1.70.0000.00817.04
7.1.60.0090.01619.46
7.1.50.0030.01316.65
7.1.00.0070.07022.38
7.0.200.0040.00416.72
7.0.140.0070.07022.09
7.0.60.0130.07019.88
7.0.50.0070.05017.81
7.0.40.0100.04720.27
7.0.30.0430.05320.26
7.0.20.0170.06320.25
7.0.10.0030.05720.26
7.0.00.0130.07720.09
5.6.280.0000.07321.02
5.6.210.0130.08320.53
5.6.200.0070.08018.28
5.6.190.0100.08320.55
5.6.180.0330.04020.57
5.6.170.0270.03720.44
5.6.160.0030.04320.57
5.6.150.0070.07718.18
5.6.140.0100.03718.14
5.6.130.0130.08018.18
5.6.120.0070.04720.91
5.6.110.0130.08020.96
5.6.100.0130.06320.93
5.6.90.0130.07721.09
5.6.80.0130.04320.36
5.5.350.0200.04020.40
5.5.340.0130.07018.09
5.5.330.0100.06020.21
5.5.320.0470.07020.34
5.5.310.0200.04320.36
5.5.300.0000.05317.97
5.5.290.0100.03717.93
5.5.280.0070.04720.89
5.5.270.0100.08020.77
5.5.260.0070.04020.82
5.5.250.0000.09020.68
5.5.240.0170.07320.15
5.4.450.0230.04719.55
5.4.440.0200.05719.54
5.4.430.0030.04019.54
5.4.420.0100.03019.48
5.4.410.0100.04319.42
5.4.400.0130.04019.12
5.4.390.0000.03719.21
5.4.380.0430.07018.71
5.4.370.0400.04718.49
5.4.360.0330.04718.76
5.4.350.0400.06318.70
5.4.340.0400.05018.58
5.4.320.0080.03612.49
5.4.310.0070.04112.49
5.4.300.0030.03912.49
5.4.290.0040.04112.49
5.4.280.0060.03612.38
5.4.270.0030.03912.39
5.4.260.0080.03612.39
5.4.250.0060.03812.39
5.4.240.0080.03912.38
5.4.230.0070.03812.38
5.4.220.0070.03512.38
5.4.210.0090.03212.38
5.4.200.0070.03612.38
5.4.190.0100.03112.37
5.4.180.0070.03412.38
5.4.170.0110.03412.39
5.4.160.0050.03612.38
5.4.150.0070.03912.38
5.4.140.0080.03712.06
5.4.130.0030.03812.05
5.4.120.0020.03812.01
5.4.110.0060.03412.01
5.4.100.0060.03412.00
5.4.90.0030.03812.01
5.4.80.0060.03612.01
5.4.70.0080.03412.00
5.4.60.0050.03812.00
5.4.50.0070.03312.00
5.4.40.0040.03511.98
5.4.30.0050.03611.99
5.4.20.0050.03611.98
5.4.10.0060.03311.99
5.4.00.0060.03611.48
5.3.290.0050.04112.80
5.3.280.0050.03812.71
5.3.270.0030.04212.72
5.3.260.0040.03912.72
5.3.250.0050.03712.72
5.3.240.0080.03412.72
5.3.230.0030.04012.71
5.3.220.0100.03312.68
5.3.210.0060.03812.68
5.3.200.0040.03812.68
5.3.190.0030.04212.68
5.3.180.0070.03812.68
5.3.170.0050.03712.67
5.3.160.0050.03612.67
5.3.150.0050.03712.67
5.3.140.0050.03612.66
5.3.130.0050.03912.66
5.3.120.0080.03612.65
5.3.110.0050.04012.66
5.3.100.0030.04012.12
5.3.90.0080.03612.10
5.3.80.0060.03712.09
5.3.70.0080.03412.09
5.3.60.0070.03512.07
5.3.50.0050.03612.02
5.3.40.0050.03612.02
5.3.30.0050.03511.97
5.3.20.0080.03311.76
5.3.10.0070.03411.73
5.3.00.0050.03711.71
5.2.170.0060.0289.21
5.2.160.0050.0289.21
5.2.150.0020.0349.21
5.2.140.0040.0299.21
5.2.130.0040.0299.17
5.2.120.0040.0279.17
5.2.110.0050.0279.18
5.2.100.0040.0289.17
5.2.90.0050.0289.17
5.2.80.0030.0319.16
5.2.70.0060.0289.17
5.2.60.0030.0319.12
5.2.50.0050.0299.09
5.2.40.0070.0299.07
5.2.30.0050.0339.04
5.2.20.0040.0299.04
5.2.10.0080.0238.93
5.2.00.0030.0338.80
5.1.60.0010.0278.08
5.1.50.0000.0288.08
5.1.40.0020.0268.06
5.1.30.0040.0268.41
5.1.20.0060.0318.43
5.1.10.0030.0278.15
5.1.00.0040.0308.16
5.0.50.0010.0236.63
5.0.40.0040.0186.50
5.0.30.0040.0306.30
5.0.20.0050.0176.27
5.0.10.0050.0176.25
5.0.00.0030.0306.24
4.4.90.0030.0144.78
4.4.80.0040.0144.75
4.4.70.0010.0164.76
4.4.60.0020.0154.75
4.4.50.0020.0154.77
4.4.40.0030.0244.71
4.4.30.0010.0164.76
4.4.20.0030.0144.84
4.4.10.0030.0154.85
4.4.00.0010.0274.76
4.3.110.0010.0174.67
4.3.100.0030.0144.66
4.3.90.0030.0134.63
4.3.80.0030.0234.59
4.3.70.0030.0144.63
4.3.60.0010.0154.63
4.3.50.0020.0154.63
4.3.40.0010.0254.54
4.3.30.0010.0163.29
4.3.20.0020.0163.27
4.3.10.0020.0163.23
4.3.00.0000.01714.87

preferences:
40.74 ms | 400 KiB | 5 Q