3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fibo($n) { if ($n < 2) { return 1; } return fibo($n - 1) + fibo($n - 2); } echo fibo(1); echo fibo(2); echo fibo(3); echo fibo(4); echo fibo(5);

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)
8.3.70.0090.00616.58
8.3.60.0000.01418.43
8.3.50.0110.00921.85
8.3.40.0110.00318.67
8.3.30.0090.00619.04
8.3.20.0040.00420.29
8.3.10.0050.00320.49
8.3.00.0080.00019.00
8.2.180.0040.01818.41
8.2.170.0120.00922.96
8.2.160.0100.01020.41
8.2.150.0000.00724.18
8.2.140.0100.00324.66
8.2.130.0080.00026.16
8.2.120.0000.00822.06
8.2.110.0110.00021.98
8.2.100.0040.00818.09
8.2.90.0030.00619.13
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0040.00417.91
8.2.50.0060.00318.07
8.2.40.0080.00317.66
8.2.30.0030.00619.30
8.2.20.0040.00417.72
8.2.10.0000.00817.83
8.2.00.0040.00417.49
8.1.280.0150.00625.92
8.1.270.0060.00323.97
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.91
8.1.230.0060.00619.08
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00617.23
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0080.00018.42
8.1.160.0040.00421.98
8.1.150.0080.00018.76
8.1.140.0070.00017.38
8.1.130.0000.00717.67
8.1.120.0040.00417.31
8.1.110.0040.00417.20
8.1.100.0040.00417.34
8.1.90.0000.00717.32
8.1.80.0000.00817.39
8.1.70.0040.00417.17
8.1.60.0000.00917.47
8.1.50.0030.00517.50
8.1.40.0000.00817.32
8.1.30.0000.00917.57
8.1.20.0040.00417.62
8.1.10.0000.00717.40
8.1.00.0000.00817.39
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0070.00018.38
8.0.270.0000.00717.17
8.0.260.0060.00017.06
8.0.250.0070.00016.80
8.0.240.0070.00016.91
8.0.230.0000.00716.71
8.0.220.0030.00316.81
8.0.210.0000.00716.74
8.0.200.0000.00716.79
8.0.190.0000.00816.80
8.0.180.0040.00416.80
8.0.170.0080.00016.69
8.0.160.0040.00416.83
8.0.150.0030.00316.54
8.0.140.0070.00016.68
8.0.130.0070.00013.23
8.0.120.0000.00716.64
8.0.110.0000.00816.74
8.0.100.0000.00716.80
8.0.90.0040.00416.71
8.0.80.0090.00916.76
8.0.70.0000.00716.77
8.0.60.0040.00416.71
8.0.50.0040.00416.60
8.0.30.0110.01116.81
8.0.20.0160.00617.40
8.0.10.0000.00716.84
8.0.00.0130.00716.70
7.4.330.0030.00315.01
7.4.320.0030.00316.54
7.4.300.0030.00316.45
7.4.290.0000.00716.46
7.4.280.0040.00416.57
7.4.270.0000.00716.59
7.4.260.0000.00816.42
7.4.250.0020.00516.47
7.4.240.0020.00516.44
7.4.230.0000.00716.56
7.4.220.0060.01216.55
7.4.210.0130.00716.46
7.4.200.0000.00716.27
7.4.160.0150.00016.41
7.4.150.0130.01017.40
7.4.140.0100.00917.86
7.4.130.0150.00316.36
7.4.120.0070.01016.40
7.4.110.0130.00316.62
7.4.100.0100.00716.56
7.4.90.0120.00616.36
7.4.80.0120.00918.80
7.4.70.0080.01816.41
7.4.60.0060.01116.20
7.4.50.0050.00316.16
7.4.40.0110.00816.29
7.4.30.0070.01516.32
7.4.00.0040.01114.63
7.3.330.0030.00313.32
7.3.320.0020.00213.31
7.3.310.0000.00716.30
7.3.300.0030.00316.31
7.3.290.0030.01016.27
7.3.280.0090.00516.25
7.3.270.0120.01317.40
7.3.260.0170.00416.57
7.3.250.0110.00516.38
7.3.240.0140.00416.61
7.3.230.0110.00416.39
7.3.210.0130.00316.31
7.3.200.0090.00919.39
7.3.190.0030.01316.48
7.3.180.0100.00616.37
7.3.170.0130.00616.27
7.3.160.0060.01016.43
7.3.10.0130.00916.07
7.3.00.0110.00916.15
7.2.330.0070.01016.54
7.2.320.0100.01016.57
7.2.310.0060.00916.68
7.2.300.0100.00716.67
7.2.290.0100.00616.50
7.2.130.0120.01216.30
7.2.120.0210.01116.58
7.2.110.0200.00316.75
7.2.100.0140.00516.12
7.2.90.0100.01016.47
7.2.80.0060.01616.80
7.2.70.0140.00716.72
7.2.60.0090.00916.63
7.2.50.0120.00616.72
7.2.40.0110.00716.80
7.2.30.0100.01016.45
7.2.20.0110.00416.79
7.2.10.0130.00616.40
7.2.00.0070.00718.17
7.1.250.0160.00315.38
7.1.100.0060.00618.02
7.1.70.0000.00717.19
7.1.60.0100.00719.32
7.1.50.0060.01616.95
7.1.00.0070.07322.31
7.0.200.0040.00416.73
7.0.140.0070.06722.21
7.0.60.0030.05020.03
7.0.50.0070.06717.85
7.0.40.0030.04320.21
7.0.30.0170.04320.08
7.0.20.0330.08020.22
7.0.10.0130.08020.32
7.0.00.0100.07720.09
5.6.280.0000.07321.04
5.6.210.0170.07020.71
5.6.200.0000.05718.16
5.6.190.0100.07720.51
5.6.180.3730.04320.63
5.6.170.0330.05320.48
5.6.160.0070.04020.62
5.6.150.0170.04318.23
5.6.140.0030.04018.19
5.6.130.0000.08718.18
5.6.120.0170.04721.01
5.6.110.0070.07321.07
5.6.100.0070.08721.11
5.6.90.0100.04720.97
5.6.80.0070.08720.45
5.5.350.0000.07020.35
5.5.340.0070.08017.98
5.5.330.0070.05020.29
5.5.320.0230.04320.51
5.5.310.0270.08320.51
5.5.300.0070.08318.07
5.5.290.0070.05017.98
5.5.280.0030.08720.73
5.5.270.0030.04020.95
5.5.260.0170.07020.78
5.5.250.0070.08020.78
5.5.240.0230.06720.26
5.4.450.0670.04019.44
5.4.440.0870.07319.61
5.4.430.0770.05319.45
5.4.420.0670.00019.54
5.4.410.0670.00019.27
5.4.400.0700.00019.29
5.4.390.0630.00019.05
5.4.380.0200.06318.75
5.4.370.0370.05018.61
5.4.360.0300.04718.73
5.4.350.0270.05318.75
5.4.340.0330.05018.72
5.4.320.0090.03412.51
5.4.310.0040.04112.50
5.4.300.0040.03712.51
5.4.290.0060.03712.50
5.4.280.0040.03712.40
5.4.270.0070.03512.39
5.4.260.0070.03612.40
5.4.250.0060.03712.40
5.4.240.0030.03812.40
5.4.230.0050.03712.39
5.4.220.0080.03312.39
5.4.210.0010.03912.39
5.4.200.0040.03912.39
5.4.190.0090.03312.39
5.4.180.0080.03412.39
5.4.170.0070.03612.39
5.4.160.0040.03712.39
5.4.150.0060.03612.38
5.4.140.0070.03612.07
5.4.130.0080.03312.06
5.4.120.0040.03612.02
5.4.110.0060.03512.02
5.4.100.0080.03312.02
5.4.90.0040.03912.02
5.4.80.0080.03612.02
5.4.70.0060.03512.00
5.4.60.0080.03212.00
5.4.50.0010.03912.01
5.4.40.0030.03712.00
5.4.30.0040.03611.99
5.4.20.0020.03811.99
5.4.10.0070.03311.99
5.4.00.0030.04011.48
5.3.290.0040.04012.80
5.3.280.0050.03812.71
5.3.270.0040.04012.73
5.3.260.0060.03812.72
5.3.250.0040.03812.72
5.3.240.0030.03912.72
5.3.230.0070.03612.71
5.3.220.0070.03612.68
5.3.210.0040.04012.68
5.3.200.0060.03512.68
5.3.190.0080.03512.67
5.3.180.0120.03012.68
5.3.170.0050.03712.67
5.3.160.0060.03612.68
5.3.150.0040.03912.68
5.3.140.0070.03512.66
5.3.130.0060.03912.65
5.3.120.0030.04112.66
5.3.110.0030.04112.66
5.3.100.0090.03312.12
5.3.90.0070.03412.10
5.3.80.0030.03812.09
5.3.70.0040.03812.09
5.3.60.0080.03612.08
5.3.50.0080.03312.02
5.3.40.0070.03412.02
5.3.30.0080.03311.97
5.3.20.0060.03411.76
5.3.10.0080.03611.73
5.3.00.0050.04411.71
5.2.170.0040.0329.21
5.2.160.0060.0319.21
5.2.150.0040.0339.22
5.2.140.0060.0299.21
5.2.130.0050.0299.18
5.2.120.0040.0289.18
5.2.110.0050.0329.18
5.2.100.0020.0339.18
5.2.90.0060.0299.18
5.2.80.0050.0359.17
5.2.70.0050.0349.17
5.2.60.0040.0359.12
5.2.50.0060.0319.09
5.2.40.0040.0319.07
5.2.30.0030.0349.05
5.2.20.0080.0289.03
5.2.10.0080.0268.95
5.2.00.0100.0258.80
5.1.60.0030.0268.09
5.1.50.0040.0288.08
5.1.40.0050.0288.07
5.1.30.0030.0278.41
5.1.20.0010.0308.44
5.1.10.0050.0288.16
5.1.00.0060.0248.16
5.0.50.0040.0216.64
5.0.40.0040.0196.50
5.0.30.0030.0316.31
5.0.20.0080.0156.27
5.0.10.0010.0236.26
5.0.00.0030.0316.25
4.4.90.0040.0144.78
4.4.80.0030.0154.75
4.4.70.0030.0164.75
4.4.60.0010.0204.76
4.4.50.0030.0234.77
4.4.40.0050.0254.71
4.4.30.0020.0164.76
4.4.20.0010.0174.84
4.4.10.0030.0154.84
4.4.00.0010.0264.75
4.3.110.0040.0144.67
4.3.100.0020.0164.66
4.3.90.0020.0164.63
4.3.80.0030.0244.59
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0050.0224.54
4.3.30.0040.0133.30
4.3.20.0020.0153.29
4.3.10.0010.0163.24
4.3.00.0130.01716.39

preferences:
39.84 ms | 401 KiB | 5 Q