3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f($a = null, $b){}

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)
8.3.40.0110.00418.71
8.3.30.0070.00718.79
8.3.20.0030.00620.34
8.3.10.0040.00423.37
8.3.00.0060.00320.95
8.2.170.0120.00922.96
8.2.160.0080.00620.35
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0030.00620.84
8.2.110.0060.00320.53
8.2.100.0090.00317.83
8.2.90.0080.00019.14
8.2.80.0080.00017.97
8.2.70.0000.00817.38
8.2.60.0050.00317.92
8.2.50.0040.00418.07
8.2.40.0040.00419.82
8.2.30.0100.00017.98
8.2.20.0000.00817.55
8.2.10.0050.00317.80
8.2.00.0000.00717.55
8.1.270.0040.01223.97
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0040.00423.83
8.1.230.0070.00317.42
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.10
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0080.00018.38
8.1.160.0000.00721.94
8.1.150.0040.00418.50
8.1.140.0020.00517.30
8.1.130.0050.00317.75
8.1.120.0040.00417.29
8.1.110.0000.00717.23
8.1.100.0070.00017.33
8.1.90.0040.00417.22
8.1.80.0040.00417.36
8.1.70.0030.00317.25
8.1.60.0040.00417.40
8.1.50.0070.00017.38
8.1.40.0000.00717.30
8.1.30.0040.00717.41
8.1.20.0000.00917.53
8.1.10.0040.00417.40
8.1.00.0030.00617.16
8.0.300.0000.00818.77
8.0.290.0080.00016.58
8.0.280.0040.00418.22
8.0.270.0030.00317.11
8.0.260.0060.00017.17
8.0.250.0030.00316.93
8.0.240.0040.00416.78
8.0.230.0040.00416.89
8.0.220.0000.00716.85
8.0.210.0000.00816.69
8.0.200.0000.00616.89
8.0.190.0050.00516.90
8.0.180.0060.00616.81
8.0.170.0000.00716.85
8.0.160.0030.00516.86
8.0.150.0000.00716.72
8.0.140.0050.00316.76
8.0.130.0060.00013.23
8.0.120.0000.00716.74
8.0.110.0050.00316.80
8.0.100.0040.00416.69
8.0.90.0080.00016.70
8.0.80.0000.01416.72
8.0.70.0040.00416.80
8.0.60.0000.00716.69
8.0.50.0080.00016.69
8.0.30.0050.01517.12
8.0.20.0090.00917.40
8.0.10.0040.00417.01
8.0.00.0130.00316.54
7.4.330.0000.00615.03
7.4.320.0060.00016.39
7.4.300.0000.00616.23
7.4.290.0030.00616.39
7.4.280.0030.00516.35
7.4.270.0030.00316.45
7.4.260.0040.00416.32
7.4.250.0000.00716.37
7.4.240.0030.00316.39
7.4.230.0030.00316.25
7.4.220.0170.00016.57
7.4.210.0130.00016.43
7.4.200.0030.00316.57
7.4.160.0110.00416.22
7.4.150.0120.00617.40
7.4.140.0120.00817.86
7.4.130.0090.00716.23
7.4.120.0110.00716.22
7.4.110.0070.01016.26
7.4.100.0060.01016.18
7.4.90.0060.01216.50
7.4.80.0210.00319.39
7.4.70.0130.00316.36
7.4.60.0060.01516.27
7.4.50.0050.00316.46
7.4.40.0120.00916.32
7.4.30.0100.00716.36
7.4.00.0040.01314.81
7.3.330.0050.00313.01
7.3.320.0030.00313.17
7.3.310.0030.00316.20
7.3.300.0030.00316.16
7.3.290.0100.00316.14
7.3.280.0080.00916.13
7.3.270.0070.01017.40
7.3.260.0140.00316.25
7.3.250.0080.01216.36
7.3.240.0110.00616.47
7.3.230.0090.00616.39
7.3.210.0100.00616.46
7.3.200.0070.01019.39
7.3.190.0100.01316.16
7.3.180.0140.00616.18
7.3.170.0120.00316.43
7.3.160.0040.01216.20
7.3.120.0060.01014.74
7.3.110.0060.01114.51
7.3.100.0020.01314.54
7.3.90.0090.00314.58
7.3.80.0080.00614.86
7.3.70.0090.00614.54
7.3.60.0070.00814.67
7.3.50.0080.00414.36
7.3.40.0080.00714.49
7.3.30.0060.00614.51
7.3.20.0030.00716.52
7.3.10.0020.01116.49
7.3.00.0090.00516.39
7.2.330.0130.00616.31
7.2.320.0060.01516.45
7.2.310.0070.01016.56
7.2.300.0060.01616.31
7.2.290.0030.01816.30
7.2.250.0100.00814.77
7.2.240.0110.00814.91
7.2.230.0050.01314.70
7.2.220.0050.00814.83
7.2.210.0080.00514.69
7.2.200.0080.00614.74
7.2.190.0060.00714.87
7.2.180.0050.00514.85
7.2.170.0060.01014.88
7.2.00.0040.01119.16
7.1.330.0030.01015.69
7.1.320.0070.00515.57
7.1.310.0030.00815.48
7.1.300.0050.00915.55
7.1.290.0050.00815.65
7.1.280.0070.00415.46
7.1.270.0040.00915.46
7.1.260.0040.00915.43
7.1.100.0040.01117.93
7.1.70.0000.00716.76
7.1.60.0060.00617.09
7.1.50.0160.00316.79
7.1.00.0070.07322.48
7.0.200.0030.01316.61
7.0.140.0030.07322.04
7.0.60.0130.06020.00
7.0.50.0100.06717.90
7.0.40.0100.04020.30
7.0.30.0230.04720.07
7.0.20.0270.07320.30
7.0.10.0130.05020.16
7.0.00.0100.06720.09
5.6.280.0070.07321.07
5.6.210.0070.07320.48
5.6.200.0030.07718.27
5.6.190.0070.05320.61
5.6.180.0530.06720.49
5.6.170.0370.08020.55
5.6.160.0100.07720.58
5.6.150.0030.08318.14
5.6.140.0000.04318.27
5.6.130.0070.08018.13
5.6.120.0070.07321.14
5.6.110.0070.09320.99
5.6.100.0030.09021.03
5.6.90.0100.07721.13
5.6.80.0130.04320.29
5.5.350.0000.04320.35
5.5.340.0000.05017.95
5.5.330.0070.08320.29
5.5.320.0030.07720.42
5.5.310.0270.08020.33
5.5.300.0200.04017.97
5.5.290.0030.06718.01
5.5.280.0130.04720.95
5.5.270.0170.07320.74
5.5.260.0200.05020.84
5.5.250.0100.06720.65
5.5.240.0000.04020.18
5.4.450.0500.07019.61
5.4.440.0230.05719.59
5.4.430.0230.06719.62
5.4.420.0200.05719.16
5.4.410.0200.04719.45
5.4.400.0530.05018.75
5.4.390.0300.04718.80
5.4.380.0230.05718.72
5.4.370.0130.04718.52
5.4.360.0100.05718.56
5.4.350.0090.04312.01
5.4.340.0060.03912.02
5.4.320.0080.03712.50
5.4.310.0030.04212.49
5.4.300.0050.03912.50
5.4.290.0080.04812.50
5.4.280.0100.03912.39
5.4.270.0050.04112.39
5.4.260.0080.04812.39
5.4.250.0070.03912.40
5.4.240.0080.03712.39
5.4.230.0040.04012.39
5.4.220.0110.04012.39
5.4.210.0100.04012.39
5.4.200.0060.04312.39
5.4.190.0070.04112.38
5.4.180.0090.03812.38
5.4.170.0050.03912.39
5.4.160.0050.04012.39
5.4.150.0050.03912.39
5.4.140.0080.03812.07
5.4.130.0070.03812.05
5.4.120.0080.04112.01
5.4.110.0080.05012.01
5.4.100.0070.03712.01
5.4.90.0070.05212.00
5.4.80.0130.05312.00
5.4.70.0080.05212.00
5.4.60.0070.04012.01
5.4.50.0090.04712.00
5.4.40.0060.04012.00
5.4.30.0080.04211.99
5.4.20.0110.03911.99
5.4.10.0080.05011.98
5.4.00.0090.04811.48
5.3.290.0080.03712.80
5.3.280.0090.04412.71
5.3.270.0060.04512.72
5.3.260.0100.05312.72
5.3.250.0090.05012.72
5.3.240.0110.04812.72
5.3.230.0150.04312.71
5.3.220.0060.05412.68
5.3.210.0090.05312.68
5.3.200.0140.04612.68
5.3.190.0110.04712.68
5.3.180.0100.05012.68
5.3.170.0070.05312.67
5.3.160.0130.04612.68
5.3.150.0090.05212.68
5.3.140.0050.05512.66
5.3.130.0090.05412.66
5.3.120.0090.05312.66
5.3.110.0110.05312.66
5.3.100.0080.05012.12
5.3.90.0120.04812.10
5.3.80.0110.04612.08
5.3.70.0090.04012.08
5.3.60.0050.03812.08
5.3.50.0080.03612.01
5.3.40.0070.03812.02
5.3.30.0020.04111.97
5.3.20.0060.03611.76
5.3.10.0070.03411.73
5.3.00.0110.03211.70
5.2.170.0030.0329.21
5.2.160.0020.0329.20
5.2.150.0060.0309.21
5.2.140.0080.0309.21
5.2.130.0040.0299.16
5.2.120.0040.0299.16
5.2.110.0050.0319.17
5.2.100.0060.0279.17
5.2.90.0030.0339.17
5.2.80.0050.0399.17
5.2.70.0050.0349.16
5.2.60.0060.0359.12
5.2.50.0060.0389.09
5.2.40.0060.0289.06
5.2.30.0060.0289.04
5.2.20.0040.0329.04
5.2.10.0060.0268.94
5.2.00.0060.0308.80
5.1.60.0080.0258.07
5.1.50.0040.0258.07
5.1.40.0060.0238.06
5.1.30.0040.0278.41
5.1.20.0030.0288.43
5.1.10.0020.0318.15
5.1.00.0080.0248.15
5.0.50.0030.0226.63
5.0.40.0040.0196.49
5.0.30.0040.0306.30
5.0.20.0040.0196.27
5.0.10.0030.0216.25
5.0.00.0020.0326.24
4.4.90.0030.0224.78
4.4.80.0000.0184.76
4.4.70.0030.0164.76
4.4.60.0000.0214.75
4.4.50.0040.0144.77
4.4.40.0050.0274.71
4.4.30.0010.0184.76
4.4.20.0040.0144.84
4.4.10.0000.0194.85
4.4.00.0020.0264.76
4.3.110.0020.0194.67
4.3.100.0030.0164.67
4.3.90.0020.0174.64
4.3.80.0020.0254.58
4.3.70.0070.0154.63
4.3.60.0030.0154.62
4.3.50.0040.0144.63
4.3.40.0020.0254.54
4.3.30.0020.0163.29
4.3.20.0000.0183.27
4.3.10.0070.0223.23
4.3.00.0030.0237.15

preferences:
42.27 ms | 400 KiB | 5 Q