3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fib($n) { if($n <= 2) { return 1; } else { return fib($n - 1) + fib($n - 2); } } print fib(8); ?>

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)
8.3.60.0150.00316.63
8.3.50.0090.00921.96
8.3.40.0100.01018.68
8.3.30.0110.00319.15
8.3.20.0040.00420.25
8.3.10.0000.00821.77
8.3.00.0080.00019.27
8.2.180.0120.00316.63
8.2.170.0110.00718.83
8.2.160.0100.00322.96
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0030.00619.11
8.2.110.0060.00319.31
8.2.100.0040.00717.50
8.2.90.0000.00819.14
8.2.80.0000.00817.97
8.2.70.0040.00417.25
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0030.00519.97
8.2.30.0080.00017.85
8.2.20.0040.00417.68
8.2.10.0000.00817.93
8.2.00.0040.00417.57
8.1.280.0130.00725.92
8.1.270.0090.00018.69
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0070.00422.10
8.1.230.0090.00317.52
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0040.00417.10
8.1.180.0000.00918.10
8.1.170.0030.00520.14
8.1.160.0030.00621.91
8.1.150.0000.00718.63
8.1.140.0040.00417.37
8.1.130.0050.00317.64
8.1.120.0030.00617.24
8.1.110.0000.00717.21
8.1.100.0040.00417.33
8.1.90.0050.00217.26
8.1.80.0040.00417.33
8.1.70.0030.00317.24
8.1.60.0090.00017.55
8.1.50.0050.00317.36
8.1.40.0000.00817.35
8.1.30.0000.00917.59
8.1.20.0000.00817.61
8.1.10.0070.00317.41
8.1.00.0040.00417.29
8.0.300.0070.00018.77
8.0.290.0000.00716.58
8.0.280.0000.00718.38
8.0.270.0040.00417.14
8.0.260.0020.00517.11
8.0.250.0060.00016.95
8.0.240.0030.00516.76
8.0.230.0040.00416.80
8.0.220.0000.00716.63
8.0.210.0080.00016.67
8.0.200.0030.00316.81
8.0.190.0000.00916.81
8.0.180.0040.00416.83
8.0.170.0070.00016.67
8.0.160.0040.00416.82
8.0.150.0000.00716.77
8.0.140.0040.00416.73
8.0.130.0070.00013.23
8.0.120.0040.00416.74
8.0.110.0080.00016.68
8.0.100.0000.00716.71
8.0.90.0000.00816.82
8.0.80.0090.00616.82
8.0.70.0050.00216.71
8.0.60.0000.00816.63
8.0.50.0000.00716.75
8.0.30.0080.01417.15
8.0.20.0130.01117.40
8.0.10.0030.00316.89
8.0.00.0070.01116.70
7.4.330.0030.00315.03
7.4.320.0000.00716.45
7.4.300.0030.00316.43
7.4.290.0040.00416.55
7.4.280.0050.00416.47
7.4.270.0000.00716.43
7.4.260.0040.00416.51
7.4.250.0030.00516.54
7.4.240.0050.00216.40
7.4.230.0080.00016.45
7.4.220.0030.01916.39
7.4.210.0030.01016.58
7.4.200.0070.00016.34
7.4.160.0160.00016.53
7.4.150.0120.01217.40
7.4.140.0220.01017.86
7.4.130.0130.00816.43
7.4.120.0070.01016.47
7.4.110.0110.00716.52
7.4.100.0100.00716.32
7.4.90.0170.00016.31
7.4.80.0070.01019.39
7.4.70.0070.01516.32
7.4.60.0060.01616.60
7.4.50.0000.00416.56
7.4.40.0060.01116.43
7.4.30.0130.01216.64
7.4.00.0040.00714.77
7.3.330.0000.00613.30
7.3.320.0000.01613.15
7.3.310.0040.00416.20
7.3.300.0000.00716.32
7.3.290.0090.00516.36
7.3.280.0080.01216.27
7.3.270.0100.00717.40
7.3.260.0120.00616.56
7.3.250.0110.01016.41
7.3.240.0030.01316.33
7.3.230.0060.01616.43
7.3.210.0180.00016.46
7.3.200.0090.01219.39
7.3.190.0040.01216.52
7.3.180.0130.00316.62
7.3.170.0070.01016.41
7.3.160.0070.01016.37
7.3.10.0120.00316.49
7.3.00.0090.00616.70
7.2.330.0090.01016.63
7.2.320.0060.01016.53
7.2.310.0030.01316.38
7.2.300.0070.01416.78
7.2.290.0110.00616.57
7.2.130.0070.00716.78
7.2.120.0070.01016.48
7.2.110.0060.00916.93
7.2.100.0040.01116.82
7.2.90.0060.00916.85
7.2.80.0050.01016.40
7.2.70.0030.01316.61
7.2.60.0100.00316.93
7.2.50.0080.00316.60
7.2.40.0070.00316.88
7.2.30.0030.01016.97
7.2.20.0030.01216.82
7.2.10.0030.01216.61
7.2.00.0000.01418.12
7.1.250.0000.01115.82
7.1.200.0210.00715.23
7.1.100.0000.01117.77
7.1.70.0000.00717.04
7.1.60.0040.01819.50
7.1.50.0130.01017.07
7.1.00.0000.08022.54
7.0.200.0800.00314.71
7.0.140.0000.07721.92
7.0.60.0000.04319.86
7.0.50.0030.04017.90
7.0.40.0070.04020.18
7.0.30.0300.05320.11
7.0.20.0370.07020.09
7.0.10.0270.08320.33
7.0.00.0030.09320.06
5.6.280.0070.07021.12
5.6.210.0030.05720.62
5.6.200.0000.08718.27
5.6.190.0030.04720.47
5.6.180.0270.07320.46
5.6.170.0270.06320.50
5.6.160.0100.07320.56
5.6.150.0100.08018.19
5.6.140.0030.03718.15
5.6.130.0100.08318.25
5.6.120.0130.04321.05
5.6.110.0000.04321.03
5.6.100.0070.08721.02
5.6.90.0070.05720.97
5.6.80.0030.03720.40
5.6.70.0200.03720.53
5.5.350.0270.03720.35
5.5.340.0000.09017.99
5.5.330.0130.07720.35
5.5.320.0000.09020.26
5.5.310.0270.05020.28
5.5.300.0100.07717.98
5.5.290.0070.06317.98
5.5.280.0030.04320.95
5.5.270.0130.07720.98
5.5.260.0170.05320.68
5.5.250.0030.04020.61
5.5.240.0130.06720.29
5.4.450.0370.05319.59
5.4.440.0770.05319.34
5.4.430.1030.05319.54
5.4.420.0100.05319.57
5.4.410.0200.06718.72
5.4.400.0730.05318.71
5.4.390.0370.06018.79
5.4.380.0430.07718.63
5.4.370.0500.07318.77
5.4.360.0430.07318.79
5.4.350.0630.05318.71
5.4.340.0500.07318.58
5.4.320.0700.06018.69
5.4.310.0670.07018.78
5.4.300.0370.07018.85
5.4.290.0470.06318.58
5.4.280.0300.08318.74
5.4.270.0500.07318.75
5.4.260.0470.05018.55
5.4.250.0430.07718.61
5.4.240.0530.06018.71
5.4.230.0470.07718.64
5.4.220.0430.07718.73
5.4.210.0400.06318.51
5.4.200.0400.06316.54
5.4.190.0570.06018.73
5.4.180.0600.05318.50
5.4.170.0500.06318.57
5.4.160.0430.07018.75
5.4.150.0470.06018.60
5.4.140.0400.06016.45
5.4.130.0500.04316.26
5.4.120.0470.05716.38
5.4.110.0530.04316.23
5.4.100.0470.05716.25
5.4.90.0200.05716.29
5.4.80.0470.04016.24
5.4.70.0300.05016.26
5.4.60.0600.06016.24
5.4.50.0530.05016.18
5.4.40.0370.06316.23
5.4.30.0330.05716.26
5.4.20.0500.06016.16
5.4.10.0530.05016.24
5.4.00.0370.06315.66
5.3.290.0300.08714.69
5.3.280.0370.08714.72
5.3.270.0600.05314.75
5.3.260.0330.06314.66
5.3.250.0370.06314.59
5.3.240.0330.06714.60
5.3.230.0570.06714.61
5.3.220.0400.06014.68
5.3.210.0500.07014.67
5.3.200.0500.06714.71
5.3.190.0430.04714.74
5.3.180.0400.05314.60
5.3.170.0330.08314.55
5.3.160.0400.07014.55
5.3.150.0600.06014.78
5.3.140.0470.06314.59
5.3.130.0230.04714.59
5.3.120.0270.06314.53
5.3.110.0330.05714.59
5.3.100.0230.06314.06
5.3.90.0300.05014.13
5.3.80.0370.05014.06
5.3.70.0500.04714.13
5.3.60.0430.04314.06
5.3.50.0270.05314.11
5.3.40.0230.06314.05
5.3.30.0400.05714.11
5.3.20.0430.04313.89
5.3.10.0370.05713.70
5.3.00.0330.05313.62
5.2.170.0400.04311.13
5.2.160.0170.04311.26
5.2.150.0230.04011.21
5.2.140.0230.04711.36
5.2.130.0300.04311.32
5.2.120.0430.03711.13
5.2.110.0270.04311.24
5.2.100.0430.04711.30
5.2.90.0330.06011.21
5.2.80.0370.05311.12
5.2.70.0330.04311.19
5.2.60.0270.06010.99
5.2.50.0200.06311.22
5.2.40.0400.04011.05
5.2.30.0330.05710.96
5.2.20.0270.06311.09
5.2.10.0230.05710.86
5.2.00.0370.05310.74
5.1.60.0400.04010.01
5.1.50.0270.05310.01
5.1.40.0270.03010.09
5.1.30.0370.05010.39
5.1.20.0230.05010.53
5.1.10.0300.03310.14
5.1.00.0230.03710.27
5.0.50.0070.0438.68
5.0.40.0170.0278.39
5.0.30.0270.0408.21
5.0.20.0100.0308.30
5.0.10.0070.0378.37
5.0.00.0130.0438.19
4.4.90.0200.0275.93
4.4.80.0100.0275.93
4.4.70.0030.0275.93
4.4.60.0100.0305.97
4.4.50.0130.0275.95
4.4.40.0170.0335.90
4.4.30.0300.0305.95
4.4.20.0100.0275.98
4.4.10.0230.0276.00
4.4.00.0100.0336.00
4.3.110.0170.0335.82
4.3.100.0200.0335.92
4.3.90.0130.0235.80
4.3.80.0230.0275.87
4.3.70.0130.0305.78
4.3.60.0200.0305.87
4.3.50.0170.0275.89
4.3.40.0200.0435.76
4.3.30.0100.0235.23
4.3.20.0100.0335.23
4.3.10.0000.0375.23
4.3.00.0170.0206.55

preferences:
54.7 ms | 401 KiB | 5 Q