3v4l.org

run code in 300+ PHP versions simultaneously
<?php function make($std) { if ($std < 0) return -1; if(($std == 0) || ($std == 1)) return $std; return make($std - 1) + make($std - 2); } for ($i = 1; $i < 20; ++$i){ echo make($i); echo " "; } ?>

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)
8.3.60.0110.01118.18
8.3.50.0100.01122.11
8.3.40.0100.00618.75
8.3.30.0150.00018.71
8.3.20.0040.00418.54
8.3.10.0030.00621.09
8.3.00.0040.00423.70
8.2.180.0040.01216.63
8.2.170.0100.01022.96
8.2.160.0060.00920.46
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0060.00619.65
8.2.110.0070.00422.27
8.2.100.0090.00417.78
8.2.90.0000.00819.26
8.2.80.0030.00617.97
8.2.70.0040.00817.63
8.2.60.0060.00317.80
8.2.50.0030.00618.07
8.2.40.0060.00318.34
8.2.30.0000.00919.77
8.2.20.0000.00917.71
8.2.10.0030.00617.66
8.2.00.0090.00317.72
8.1.270.0000.00923.99
8.1.260.0090.00626.35
8.1.250.0030.00628.09
8.1.240.0080.00322.52
8.1.230.0030.01020.84
8.1.220.0030.00618.77
8.1.210.0060.00319.04
8.1.200.0080.00317.35
8.1.190.0000.00817.40
8.1.180.0040.00418.10
8.1.170.0000.01018.64
8.1.160.0030.00618.89
8.1.150.0030.00618.57
8.1.140.0080.00017.32
8.1.130.0000.00817.74
8.1.120.0030.00617.43
8.1.110.0040.00417.52
8.1.100.0090.00017.36
8.1.90.0060.00317.34
8.1.80.0060.00317.38
8.1.70.0000.00817.39
8.1.60.0030.00617.63
8.1.50.0000.00917.36
8.1.40.0090.00017.54
8.1.30.0000.00917.64
8.1.20.0000.00917.59
8.1.10.0060.00317.43
8.1.00.0000.00917.38
8.0.300.0060.00319.86
8.0.290.0030.00616.63
8.0.280.0040.00418.35
8.0.270.0040.00417.19
8.0.260.0040.00416.70
8.0.250.0060.00316.98
8.0.240.0000.01016.97
8.0.230.0000.00816.96
8.0.220.0040.00416.81
8.0.210.0030.00516.93
8.0.200.0030.00516.94
8.0.190.0000.00916.99
8.0.180.0000.00916.93
8.0.170.0000.01116.81
8.0.160.0000.00816.94
8.0.150.0000.00916.88
8.0.140.0030.00616.72
8.0.130.0000.00813.31
8.0.120.0090.00016.91
8.0.110.0040.00416.80
8.0.100.0000.00916.84
8.0.90.0000.00916.84
8.0.80.0140.01016.89
8.0.70.0000.00916.88
8.0.60.0060.00316.76
8.0.50.0030.00616.75
8.0.30.0090.01617.18
8.0.20.0080.01617.40
8.0.10.0040.00817.06
8.0.00.0100.01116.85
7.4.330.0000.00614.73
7.4.320.0060.00316.55
7.4.300.0040.00416.53
7.4.290.0040.00416.59
7.4.280.0040.00416.55
7.4.270.0000.00816.52
7.4.260.0040.00413.26
7.4.250.0100.00016.46
7.4.240.0000.00816.41
7.4.230.0080.00016.69
7.4.220.0130.00816.57
7.4.210.0090.01216.54
7.4.200.0040.00416.34
7.4.190.0060.00316.67
7.4.160.0030.01316.53
7.4.150.0070.01317.40
7.4.140.0100.01417.86
7.4.130.0120.00816.59
7.4.120.0080.01016.43
7.4.110.0160.01216.68
7.4.100.0100.01016.34
7.4.90.0090.00916.48
7.4.80.0170.00619.37
7.4.70.0030.01316.38
7.4.60.0130.00716.63
7.4.50.0060.00316.23
7.4.40.0100.01022.52
7.4.30.0090.00916.71
7.4.00.0060.01214.99
7.3.330.0000.00813.30
7.3.320.0040.00413.40
7.3.310.0000.00916.35
7.3.300.0040.00416.35
7.3.290.0030.01316.32
7.3.280.0060.01116.29
7.3.270.0070.01117.40
7.3.260.0080.01618.24
7.3.250.0110.00816.62
7.3.240.0150.01116.61
7.3.230.0080.01216.59
7.3.210.0160.00316.51
7.3.200.0050.01519.39
7.3.190.0140.01016.39
7.3.180.0110.00816.56
7.3.170.0120.00616.65
7.3.160.0090.01216.38
7.3.120.0070.01315.01
7.3.110.0100.01014.60
7.3.100.0030.01314.91
7.3.90.0060.01214.95
7.3.80.0080.00814.99
7.3.70.0030.01014.89
7.3.60.0030.01314.93
7.3.50.0040.01115.02
7.3.40.0060.00914.63
7.3.30.0130.00714.78
7.3.20.0060.01016.82
7.3.10.0100.00316.71
7.3.00.0100.00716.39
7.2.330.0110.00916.67
7.2.320.0200.00616.78
7.2.310.0130.00816.88
7.2.300.0030.01516.54
7.2.290.0090.00916.79
7.2.250.0100.01015.07
7.2.240.0060.01614.79
7.2.230.0120.00615.03
7.2.220.0030.01014.91
7.2.210.0040.01514.97
7.2.200.0030.01715.15
7.2.190.0090.00915.09
7.2.180.0030.01715.17
7.2.170.0060.01315.10
7.2.60.0030.01416.89
7.2.00.0000.01419.50
7.1.330.0100.01015.78
7.1.320.0040.01515.95
7.1.310.0000.01815.94
7.1.300.0000.02015.89
7.1.290.0070.00715.79
7.1.280.0100.01015.71
7.1.270.0060.01115.55
7.1.260.0030.01415.81
7.1.200.0090.01915.17
7.1.100.0000.01218.23
7.1.70.0000.00817.15
7.1.60.0070.02119.40
7.1.50.0070.01116.74
7.1.00.0000.08322.42
7.0.200.0200.00714.64
7.0.140.0100.07022.06
7.0.70.0070.05721.80
7.0.60.0030.06021.75
7.0.50.0000.08722.12
7.0.40.0070.08720.18
7.0.30.0030.04320.11
7.0.20.0070.08720.04
7.0.10.0030.08720.14
7.0.00.0130.08020.04
5.6.280.0070.08020.91
5.6.220.0000.08720.63
5.6.210.0130.08320.43
5.6.200.0000.09721.04
5.6.190.0100.05021.01
5.6.180.0070.05721.03
5.6.170.0070.08721.17
5.6.160.0030.04721.06
5.6.150.0100.06021.07
5.6.140.0070.08721.02
5.6.130.0030.04720.91
5.6.120.0100.06321.04
5.6.110.0030.09721.16
5.6.100.0000.06721.00
5.6.90.0130.06321.15
5.6.80.0030.08720.32
5.6.70.0100.08320.42
5.6.60.0070.04020.33
5.6.50.0100.07720.47
5.6.40.0130.08320.41
5.6.30.0070.08720.38
5.6.20.0030.09020.32
5.6.10.0030.09020.29
5.6.00.0030.08720.40
5.5.360.0000.06320.41
5.5.350.0070.06320.43
5.5.340.0130.07320.64
5.5.330.0100.05020.76
5.5.320.0070.05720.83
5.5.310.0100.08020.87
5.5.300.0000.09320.89
5.5.290.0000.04720.80
5.5.280.0070.09020.91
5.5.270.0070.08720.89
5.5.260.0030.09320.77
5.5.250.0070.08020.43
5.5.240.0030.09320.27
5.5.230.0000.07020.24
5.5.220.0070.08720.29
5.5.210.0130.05720.16
5.5.200.0100.08720.16
5.5.190.0000.04720.14
5.5.180.0070.08320.29
5.5.160.0070.07020.19
5.5.150.0030.05020.12
5.5.140.0070.09020.12
5.5.130.0000.07320.22
5.5.120.0070.08020.19
5.5.110.0000.07020.25
5.5.100.0030.08020.06
5.5.90.0000.04320.15
5.5.80.0070.08320.16
5.5.70.0070.07720.03
5.5.60.0000.09020.06
5.5.50.0030.08720.09
5.5.40.0100.07020.00
5.5.30.0000.05719.93
5.5.20.0100.06719.93
5.5.10.0000.07720.05
5.5.00.0070.08019.97
5.4.450.0030.04719.37
5.4.440.0030.09019.36
5.4.430.0130.08319.20
5.4.420.0000.08719.22
5.4.410.0030.09319.38
5.4.400.0130.07319.13
5.4.390.0030.05719.18
5.4.380.0030.04319.03
5.4.370.0030.04019.16
5.4.360.0000.09018.88
5.4.350.0000.08718.88
5.4.340.0030.07318.90
5.4.320.0030.08719.23
5.4.310.0030.08319.13
5.4.300.0070.08019.09
5.4.290.0030.07719.13
5.4.280.0000.06719.16
5.4.270.0000.06319.12
5.4.260.0030.08719.16
5.4.250.0030.06319.20
5.4.240.0030.08318.88
5.4.230.0030.08719.23
5.4.220.0030.08718.84
5.4.210.0070.08019.04
5.4.200.0070.08318.87
5.4.190.0000.08719.02
5.4.180.0000.07019.20
5.4.170.0000.08319.22
5.4.160.0000.08019.19
5.4.150.0070.06719.14
5.4.140.0030.05316.45
5.4.130.0000.07316.37
5.4.120.0000.08316.40
5.4.110.0030.08016.32
5.4.100.0030.08316.36
5.4.90.0000.05016.32
5.4.80.0100.07016.38
5.4.70.0000.07716.26
5.4.60.0000.08316.37
5.4.50.0030.07716.48
5.4.40.0170.07016.50
5.4.30.0170.06016.48
5.4.20.0030.06316.47
5.4.10.0070.07716.32
5.4.00.0070.07715.85
5.3.290.0070.08714.59
5.3.280.0030.07314.70
5.3.270.0070.06314.63
5.3.260.0000.09014.71
5.3.250.0030.08014.66
5.3.240.0030.07314.71
5.3.230.0070.09014.63
5.3.220.0070.08714.49
5.3.210.0000.09014.59
5.3.200.0100.08714.55
5.3.190.0100.07314.58
5.3.180.0100.08314.59
5.3.170.0000.09014.54
5.3.160.0030.09014.65
5.3.150.0030.05314.67
5.3.140.0000.07714.66
5.3.130.0030.09014.66
5.3.120.0070.08314.55
5.3.110.0070.08314.48
5.3.100.0070.06714.01
5.3.90.0070.05314.16
5.3.80.0000.05314.12
5.3.70.0030.08713.90
5.3.60.0070.04714.06
5.3.50.0030.08014.09
5.3.40.0000.06313.96
5.3.30.0030.09014.01
5.3.20.0070.08013.82
5.3.10.0000.09313.76
5.3.00.0070.07713.71
5.2.170.0070.04012.19
5.2.160.0000.07712.19
5.2.150.0100.05712.19
5.2.140.0030.07712.19
5.2.130.0000.08312.19
5.2.120.0030.07012.19
5.2.110.0030.05012.19
5.2.100.0070.07712.19
5.2.90.0000.08312.19
5.2.80.0030.07312.19
5.2.70.0030.08312.19
5.2.60.0070.06012.19
5.2.50.0000.08312.19
5.2.40.0070.06012.19
5.2.30.0030.07312.19
5.2.20.0030.05712.19
5.2.10.0030.08312.19
5.2.00.0000.08312.19
5.1.60.0030.07312.19
5.1.50.0000.06312.19
5.1.40.0070.07312.19
5.1.30.0070.07712.19
5.1.20.0000.05012.19
5.1.10.0070.05312.19
5.1.00.0000.07712.19
5.0.50.0070.06312.19
5.0.40.0030.07012.19
5.0.30.0000.09012.19
5.0.20.0000.07312.19
5.0.10.0000.07012.19
5.0.00.0030.07012.19
4.4.90.0000.05312.19
4.4.80.0000.03712.19
4.4.70.0000.06312.19
4.4.60.0000.06712.19
4.4.50.0070.06012.19
4.4.40.0070.07012.19
4.4.30.0000.05712.19
4.4.20.0030.05012.19
4.4.10.0030.05712.19
4.4.00.0070.07712.19
4.3.110.0030.05712.19
4.3.100.0000.05312.19
4.3.90.0000.05712.19
4.3.80.0030.04312.19
4.3.70.0000.05012.19
4.3.60.0030.06712.19
4.3.50.0030.06312.19
4.3.40.0030.07312.19
4.3.30.0030.05312.19
4.3.20.0000.07012.19
4.3.10.0030.06712.19
4.3.00.0000.04312.19

preferences:
36.58 ms | 400 KiB | 5 Q