3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fibonacci ($n) { if ($n == 0) { return 0; } else if ($n == 1) { return 1; } else { return fibonacci( $n - 1 ) + fibonacci( $n - 2 ); } } ?>

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)
8.3.60.0070.00718.43
8.3.50.0140.00718.06
8.3.40.0180.00018.57
8.3.30.0070.01119.10
8.3.20.0040.00420.29
8.3.10.0040.00423.61
8.3.00.0000.00919.13
8.2.180.0120.00316.63
8.2.170.0140.00722.96
8.2.160.0070.00720.53
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00422.11
8.2.110.0060.00321.05
8.2.100.0070.00417.50
8.2.90.0000.00719.09
8.2.80.0080.00017.97
8.2.70.0000.00817.36
8.2.60.0030.00517.91
8.2.50.0080.00018.07
8.2.40.0000.01218.03
8.2.30.0070.00317.81
8.2.20.0000.00717.65
8.2.10.0050.00217.80
8.2.00.0000.00817.62
8.1.270.0080.00022.14
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00622.05
8.1.230.0080.00317.63
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0000.01117.22
8.1.190.0040.00417.10
8.1.180.0070.00018.10
8.1.170.0000.00818.70
8.1.160.0040.00421.96
8.1.150.0000.00718.75
8.1.140.0000.00717.28
8.1.130.0070.00017.66
8.1.120.0070.00017.29
8.1.110.0070.00017.34
8.1.100.0000.00717.21
8.1.90.0000.00917.30
8.1.80.0070.00017.22
8.1.70.0040.00417.33
8.1.60.0060.00317.46
8.1.50.0000.00817.41
8.1.40.0080.00417.40
8.1.30.0030.00617.42
8.1.20.0040.00417.52
8.1.10.0060.00317.36
8.1.00.0080.00017.36
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0070.00018.22
8.0.270.0000.00717.06
8.0.260.0000.00717.12
8.0.250.0030.00316.76
8.0.240.0060.00016.79
8.0.230.0070.00016.80
8.0.220.0000.00716.77
8.0.210.0030.00316.73
8.0.200.0030.00716.83
8.0.190.0020.00516.83
8.0.180.0040.00416.80
8.0.170.0000.00816.69
8.0.160.0070.00016.72
8.0.150.0000.00716.72
8.0.140.0000.00716.61
8.0.130.0060.00013.15
8.0.120.0020.00516.63
8.0.110.0050.00216.70
8.0.100.0000.00716.54
8.0.90.0070.00016.76
8.0.80.0060.01316.71
8.0.70.0040.00416.82
8.0.60.0000.00716.61
8.0.50.0070.00016.73
8.0.30.0130.00817.08
8.0.20.0110.00717.40
8.0.10.0050.00216.98
8.0.00.0090.00816.59
7.4.330.0000.00615.00
7.4.320.0000.00616.31
7.4.300.0040.00416.48
7.4.290.0040.00416.38
7.4.280.0040.00416.37
7.4.270.0030.00316.27
7.4.260.0030.00316.37
7.4.250.0000.00716.38
7.4.240.0010.00616.37
7.4.230.0030.00516.57
7.4.220.0090.00916.58
7.4.210.0100.00616.43
7.4.200.0030.00316.21
7.4.160.0030.01416.22
7.4.150.0100.00717.40
7.4.140.0050.01217.86
7.4.130.0090.00716.31
7.4.120.0070.00916.25
7.4.110.0030.01516.43
7.4.100.0040.01416.27
7.4.90.0110.00616.34
7.4.80.0090.00919.39
7.4.70.0130.00916.49
7.4.60.0060.01016.46
7.4.50.0000.00416.00
7.4.40.0080.00816.30
7.4.30.0090.00916.48
7.4.00.0030.01214.91
7.3.330.0050.00013.05
7.3.320.0050.00213.05
7.3.310.0040.00416.22
7.3.300.0070.00016.05
7.3.290.0040.01216.11
7.3.280.0120.00516.18
7.3.270.0110.00617.40
7.3.260.0140.00416.48
7.3.250.0110.00616.10
7.3.240.0110.00616.21
7.3.230.0120.00716.39
7.3.210.0060.01216.18
7.3.200.0140.00719.39
7.3.190.0060.00916.55
7.3.180.0060.00916.05
7.3.170.0060.01216.33
7.3.160.0100.00716.22
7.2.330.0090.00916.52
7.2.320.0000.01616.61
7.2.310.0030.01616.38
7.2.300.0130.00316.29
7.2.290.0150.00316.27
7.2.60.0100.00716.66
7.2.00.0130.00619.05
7.1.200.0040.00815.63
7.1.100.0040.00717.90
7.1.70.0000.00716.79
7.1.60.0070.01419.32
7.1.50.0070.01416.82
7.1.00.0000.08022.54
7.0.200.0100.00316.79
7.0.140.0000.07722.04
7.0.60.0030.04319.94
7.0.50.0170.07017.86
7.0.40.0070.08020.14
7.0.30.0330.06020.09
7.0.20.0230.04320.14
7.0.10.0030.04320.26
7.0.00.0170.05320.09
5.6.280.0000.07721.04
5.6.210.0030.04020.75
5.6.200.0100.08018.29
5.6.190.0130.04320.33
5.6.180.0500.06320.41
5.6.170.0230.03320.46
5.6.160.0030.04320.57
5.6.150.0130.06318.14
5.6.140.0000.05018.24
5.6.130.0100.03318.11
5.6.120.0030.06320.74
5.6.110.0030.05020.99
5.6.100.0100.08020.98
5.6.90.0070.05021.11
5.6.80.0030.03720.39
5.5.350.0100.08320.41
5.5.340.0070.07317.99
5.5.330.0030.05320.47
5.5.320.0270.03720.27
5.5.310.0330.04320.51
5.5.300.0070.08317.98
5.5.290.0100.08017.97
5.5.280.0000.05320.77
5.5.270.0170.07020.78
5.5.260.0100.08020.97
5.5.250.0170.06020.62
5.5.240.0130.08020.16
5.4.450.0370.04019.41
5.4.440.0700.05319.46
5.4.430.1070.04319.63
5.4.420.0630.00019.52
5.4.410.0670.00019.42
5.4.400.0630.00019.25
5.4.390.0600.00019.02
5.4.380.0670.00019.21
5.4.370.0600.00019.06
5.4.360.0600.00019.13
5.4.350.0630.00019.16
5.4.340.0050.03812.02
5.4.320.0060.03612.51
5.4.310.0070.03612.50
5.4.300.0040.03712.50
5.4.290.0070.03612.50
5.4.280.0050.03612.39
5.4.270.0040.03812.39
5.4.260.0040.03812.39
5.4.250.0080.03612.40
5.4.240.0080.03512.39
5.4.230.0030.03912.39
5.4.220.0050.03612.39
5.4.210.0070.03312.39
5.4.200.0060.03712.39
5.4.190.0030.03812.39
5.4.180.0070.03412.38
5.4.170.0030.03812.40
5.4.160.0070.03312.39
5.4.150.0060.03312.39
5.4.140.0040.03712.07
5.4.130.0050.03612.06
5.4.120.0050.04312.02
5.4.110.0060.03512.02
5.4.100.0050.03712.01
5.4.90.0070.03512.01
5.4.80.0080.03412.02
5.4.70.0070.03312.01
5.4.60.0070.03512.01
5.4.50.0050.03512.01
5.4.40.0050.03412.00
5.4.30.0040.03612.00
5.4.20.0060.03511.99
5.4.10.0070.03912.00
5.4.00.0030.03911.48
5.3.290.0030.04112.80
5.3.280.0040.04012.71
5.3.270.0050.04012.73
5.3.260.0080.04312.71
5.3.250.0060.03812.72
5.3.240.0100.04112.72
5.3.230.0110.03812.70
5.3.220.0090.04312.68
5.3.210.0090.04812.68
5.3.200.0060.03712.68
5.3.190.0070.03612.68
5.3.180.0060.03612.67
5.3.170.0040.03812.67
5.3.160.0040.04012.67
5.3.150.0070.03712.67
5.3.140.0040.03812.66
5.3.130.0070.03712.66
5.3.120.0050.04112.66
5.3.110.0090.03612.66
5.3.100.0080.03312.12
5.3.90.0060.03612.10
5.3.80.0060.03512.09
5.3.70.0070.03812.09
5.3.60.0050.03712.07
5.3.50.0050.03612.02
5.3.40.0070.03512.02
5.3.30.0050.03511.97
5.3.20.0130.03911.76
5.3.10.0030.03711.73
5.3.00.0080.04211.71
5.2.170.0080.0269.21
5.2.160.0050.0339.21
5.2.150.0070.0279.21
5.2.140.0020.0329.21
5.2.130.0060.0299.17
5.2.120.0060.0289.17
5.2.110.0040.0289.17
5.2.100.0070.0259.18
5.2.90.0060.0309.17
5.2.80.0080.0329.17
5.2.70.0090.0279.16
5.2.60.0040.0319.13
5.2.50.0030.0329.09
5.2.40.0060.0279.07
5.2.30.0040.0309.04
5.2.20.0020.0319.04
5.2.10.0070.0268.95
5.2.00.0020.0318.80
5.1.60.0060.0228.09
5.1.50.0030.0258.08
5.1.40.0050.0238.06
5.1.30.0030.0278.41
5.1.20.0050.0258.43
5.1.10.0010.0278.16
5.1.00.0040.0268.16
5.0.50.0040.0196.63
5.0.40.0030.0196.49
5.0.30.0050.0306.31
5.0.20.0040.0176.28
5.0.10.0040.0236.25
5.0.00.0050.0306.25
4.4.90.0020.0234.78
4.4.80.0010.0164.75
4.4.70.0010.0164.75
4.4.60.0020.0174.75
4.4.50.0040.0154.77
4.4.40.0020.0264.71
4.4.30.0040.0144.76
4.4.20.0020.0164.84
4.4.10.0010.0174.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0010.0174.66
4.3.90.0010.0164.64
4.3.80.0050.0224.58
4.3.70.0040.0134.63
4.3.60.0050.0144.62
4.3.50.0030.0154.62
4.3.40.0010.0264.54
4.3.30.0020.0173.30
4.3.20.0020.0173.27
4.3.10.0030.0163.24
4.3.00.0030.01713.71

preferences:
54.16 ms | 400 KiB | 5 Q