3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fib($num) { if ($num === 1) { return 1; } elseif ($num === 2) { return 1; } return fib($num-2) + fib($num-1); } for($i = 1; $i < 10; ++$i) { print(fib($i) . "\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)
8.3.60.0070.01418.08
8.3.50.0160.00421.81
8.3.40.0110.00818.67
8.3.30.0110.00418.78
8.3.20.0040.01120.31
8.3.10.0000.00721.87
8.3.00.0070.00019.04
8.2.180.0120.00316.32
8.2.170.0090.00622.96
8.2.160.0030.01020.44
8.2.150.0040.00424.18
8.2.140.0060.01324.66
8.2.130.0040.00426.16
8.2.120.0060.00319.54
8.2.110.0080.00322.08
8.2.100.0070.00419.28
8.2.90.0110.00019.06
8.2.80.0080.00017.97
8.2.70.0060.00317.61
8.2.60.0030.00717.93
8.2.50.0040.00418.07
8.2.40.0020.00517.92
8.2.30.0040.00418.06
8.2.20.0000.00717.68
8.2.10.0000.00817.93
8.2.00.0000.00817.48
8.1.280.0070.00725.92
8.1.270.0080.00019.02
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0040.00423.64
8.1.230.0080.00419.16
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0030.00517.13
8.1.180.0080.00018.10
8.1.170.0000.00818.36
8.1.160.0000.00721.93
8.1.150.0070.00018.84
8.1.140.0060.00319.14
8.1.130.0070.00017.82
8.1.120.0070.00017.47
8.1.110.0070.00017.48
8.1.100.0050.00317.46
8.1.90.0020.00517.47
8.1.80.0040.00417.35
8.1.70.0040.00417.38
8.1.60.0080.00017.59
8.1.50.0060.00317.38
8.1.40.0000.00817.39
8.1.30.0000.00817.48
8.1.20.0060.00317.65
8.1.10.0000.00717.55
8.1.00.0040.00417.33
8.0.300.0070.00018.77
8.0.290.0070.00016.63
8.0.280.0040.00418.38
8.0.270.0050.00317.18
8.0.260.0060.00017.27
8.0.250.0000.00716.87
8.0.240.0070.00016.80
8.0.230.0000.00716.84
8.0.220.0030.00516.84
8.0.210.0080.00016.79
8.0.200.0000.00716.84
8.0.190.0030.00616.94
8.0.180.0040.00416.94
8.0.170.0050.00216.94
8.0.160.0070.00016.86
8.0.150.0040.00416.72
8.0.140.0070.00016.75
8.0.130.0030.00613.30
8.0.120.0030.00616.81
8.0.110.0040.00416.92
8.0.100.0030.00316.79
8.0.90.0030.00616.72
8.0.80.0120.00916.82
8.0.70.0070.00016.84
8.0.60.0040.00416.81
8.0.50.0050.00316.70
8.0.30.0150.00717.06
8.0.20.0150.00417.40
8.0.10.0040.00416.95
8.0.00.0070.01216.61
7.4.330.0050.00015.03
7.4.320.0030.00316.61
7.4.300.0060.00016.59
7.4.290.0030.00316.50
7.4.280.0070.00016.39
7.4.270.0000.00716.55
7.4.260.0000.00716.44
7.4.250.0040.00416.57
7.4.240.0000.00816.55
7.4.230.0000.00716.50
7.4.220.0100.01016.61
7.4.210.0140.00016.63
7.4.200.0030.00316.50
7.4.160.0050.01116.48
7.4.150.0160.00317.40
7.4.140.0110.00517.86
7.4.130.0090.00816.40
7.4.120.0120.00616.45
7.4.110.0070.01016.57
7.4.100.0090.00916.40
7.4.90.0070.01016.50
7.4.80.0070.01719.39
7.4.70.0060.01616.42
7.4.60.0130.00616.70
7.4.50.0030.00516.39
7.4.40.0130.01016.42
7.4.30.0100.01316.57
7.4.00.0070.00715.09
7.3.330.0000.00513.14
7.3.320.0000.00513.37
7.3.310.0000.00716.32
7.3.300.0030.00316.35
7.3.290.0100.00616.32
7.3.280.0120.00716.34
7.3.270.0040.01617.40
7.3.260.0090.00916.27
7.3.250.0110.00916.47
7.3.240.0100.01016.37
7.3.230.0050.01116.39
7.3.210.0030.01316.58
7.3.200.0160.00019.39
7.3.190.0070.01016.62
7.3.180.0070.01016.53
7.3.170.0130.00916.40
7.3.160.0040.01216.32
7.2.330.0060.01216.41
7.2.320.0070.01016.36
7.2.310.0000.01716.75
7.2.300.0030.01316.45
7.2.290.0170.00616.85
7.2.60.0030.01016.40
7.2.00.0030.00919.28
7.1.200.0120.00015.63
7.1.100.0000.01418.13
7.1.70.0060.00917.13
7.1.60.0120.00919.46
7.1.50.0090.01317.04
7.1.00.0130.06322.27
7.0.200.0040.00416.67
7.0.140.0000.04322.21
7.0.100.0230.06319.88
7.0.90.0230.06019.93
7.0.80.0030.08719.84
7.0.70.0000.09319.90
7.0.60.0100.05319.93
7.0.50.0100.07720.30
7.0.40.0030.08720.15
7.0.30.0200.06020.03
7.0.20.0100.07320.14
7.0.10.0100.04020.14
7.0.00.0070.07020.14
5.6.280.0000.07721.10
5.6.250.0000.07720.67
5.6.240.0230.03720.61
5.6.230.0130.07720.49
5.6.220.0170.07020.59
5.6.210.0200.06720.68
5.6.200.0130.08021.10
5.6.190.0070.08721.04
5.6.180.0070.08320.95
5.6.170.0100.06721.05
5.6.160.0100.03720.95
5.6.150.0230.06721.00
5.6.140.0030.08321.06
5.6.130.0170.07721.02
5.6.120.0070.08721.05
5.6.110.0000.09321.03
5.6.100.0100.08320.95
5.6.90.0070.08021.00
5.6.80.0030.06020.56
5.6.70.0100.08020.44
5.6.60.0070.04720.51
5.6.50.0100.07320.48
5.6.40.0100.04720.38
5.6.30.0170.07020.40
5.6.20.0100.07320.38
5.6.10.0070.08720.37
5.6.00.0030.05320.31
5.5.380.0100.08020.37
5.5.370.0170.07320.45
5.5.360.0070.08320.34
5.5.350.0170.07320.41
5.5.340.0170.07020.75
5.5.330.0100.05020.80
5.5.320.0030.07020.79
5.5.310.0100.05320.76
5.5.300.0100.07720.74
5.5.290.0130.04320.84
5.5.280.0000.08720.88
5.5.270.0030.07720.75
5.5.260.0170.07720.89
5.5.250.0130.07320.68
5.5.240.0030.08720.19
5.5.230.0100.07320.16
5.5.220.0100.07720.27
5.5.210.0130.07720.30
5.5.200.0170.07020.27
5.5.190.0200.06320.13
5.5.180.0070.08720.09
5.5.160.0100.07720.16
5.5.150.0170.07019.99
5.5.140.0130.06720.22
5.5.130.0170.07020.15
5.5.120.0070.07320.23
5.5.110.0130.06320.23
5.5.100.0100.03720.08
5.5.90.0100.03020.10
5.5.80.0000.05020.07
5.5.70.0000.04320.09
5.5.60.0070.03720.07
5.5.50.0000.04320.08
5.5.40.0000.05320.16
5.5.30.0170.02720.05
5.5.20.0170.03020.00
5.5.10.0070.05020.05
5.5.00.0070.06320.11
5.4.450.0030.05019.22
5.4.440.0130.06319.42
5.4.430.0070.08019.36
5.4.420.0030.08719.20
5.4.410.0200.06719.32
5.4.400.0230.06319.23
5.4.390.0070.08019.09
5.4.380.0130.06719.16
5.4.370.0100.06719.08
5.4.360.0130.07019.21
5.4.350.0130.07019.13
5.4.340.0130.06719.13
5.4.320.0000.08019.22
5.4.310.0070.04719.22
5.4.300.0030.07719.12
5.4.290.0030.08019.04
5.4.280.0070.07319.12
5.4.270.0030.08318.84
5.4.260.0030.08319.19
5.4.250.0000.04319.09
5.4.240.0070.04319.03
5.4.230.0100.03319.03
5.4.220.0070.03719.12
5.4.210.0000.04018.84
5.4.200.0070.07719.02
5.4.190.0030.04019.17
5.4.180.0070.03719.03
5.4.170.0000.04019.21
5.4.160.0100.05019.16
5.4.150.0130.07019.04
5.4.140.0070.05316.41
5.4.130.0070.06316.23
5.4.120.0100.06716.31
5.4.110.0070.03016.44
5.4.100.0000.04716.48
5.4.90.0030.03716.30
5.4.80.0000.04016.33
5.4.70.0100.02716.46
5.4.60.0030.05716.41
5.4.50.0070.03016.44
5.4.40.0100.04316.53
5.4.30.0000.03716.45
5.4.20.0000.04016.32
5.4.10.0030.04716.36
5.4.00.0070.03315.90
5.3.290.0070.07314.73
5.3.280.0030.04314.52
5.3.270.0000.04014.54
5.3.260.0000.04714.59
5.3.250.0100.07314.59
5.3.240.0030.07014.71
5.3.230.0030.07714.58
5.3.220.0000.05314.51
5.3.210.0030.03714.69
5.3.200.0030.07714.49
5.3.190.0030.04014.63
5.3.180.0030.04314.62
5.3.170.0030.03714.58
5.3.160.0070.05314.61
5.3.150.0030.03714.57
5.3.140.0000.04014.62
5.3.130.0070.05714.60
5.3.120.0000.04014.47
5.3.110.0000.05014.52
5.3.100.0030.03714.13
5.3.90.0070.03314.00
5.3.80.0000.04014.04
5.3.70.0070.03714.04
5.3.60.0030.03714.03
5.3.50.0070.03013.96
5.3.40.0030.03713.98
5.3.30.0100.04714.03
5.3.20.0070.03313.75
5.3.10.0000.03713.71
5.3.00.0030.04713.63
5.2.170.0100.02311.06
5.2.160.0000.05311.07
5.2.150.0070.03311.28
5.2.140.0070.03311.20
5.2.130.0000.04311.22
5.2.120.0000.03011.03
5.2.110.0000.03011.17
5.2.100.0070.02311.10
5.2.90.0030.02711.15
5.2.80.0030.02711.23
5.2.70.0070.03311.15
5.2.60.0030.02710.91
5.2.50.0000.03011.02
5.2.40.0030.02710.91
5.2.30.0000.03710.99
5.2.20.0030.02710.95
5.2.10.0000.03710.98
5.2.00.0000.05010.81
5.1.60.0000.02710.74
5.1.50.0070.04010.74
5.1.40.0030.03010.74
5.1.30.0030.02710.74
5.1.20.0100.05010.74
5.1.10.0030.05710.74
5.1.00.0070.05010.74
5.0.50.0030.04710.74
5.0.40.0030.04710.74
5.0.30.0070.06310.74
5.0.20.0100.03710.74
5.0.10.0100.03710.74
5.0.00.0000.06310.74
4.4.90.0000.01710.74
4.4.80.0000.01710.74
4.4.70.0000.01710.74
4.4.60.0030.01710.74
4.4.50.0000.01710.74
4.4.40.0000.05010.74
4.4.30.0000.02710.74
4.4.20.0000.02010.74
4.4.10.0030.03710.74
4.4.00.0130.02710.74
4.3.110.0000.03710.74
4.3.100.0130.02310.74
4.3.90.0030.03010.74
4.3.80.0000.03310.74
4.3.70.0100.03010.74
4.3.60.0030.03310.74
4.3.50.0030.02010.74
4.3.40.0000.05710.74
4.3.30.0030.03310.74
4.3.20.0000.03010.74
4.3.10.0000.03710.74
4.3.00.0000.03710.74

preferences:
40.11 ms | 401 KiB | 5 Q