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; $i < 20; ++$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)
8.3.60.0120.00918.15
8.3.50.0090.01221.92
8.3.40.0140.00718.75
8.3.30.0040.01118.86
8.3.20.0080.00020.22
8.3.10.0080.00021.91
8.3.00.0030.00619.02
8.2.180.0060.00916.47
8.2.170.0140.00722.96
8.2.160.0120.00920.53
8.2.150.0040.00424.18
8.2.140.0120.00624.66
8.2.130.0040.00426.16
8.2.120.0000.00819.54
8.2.110.0050.00522.09
8.2.100.0120.00417.59
8.2.90.0060.00319.27
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0060.00318.07
8.2.40.0040.00418.22
8.2.30.0000.00918.06
8.2.20.0000.00817.68
8.2.10.0030.00618.01
8.2.00.0000.00917.68
8.1.280.0070.00725.92
8.1.270.0090.00018.67
8.1.260.0040.00426.35
8.1.250.0070.00328.09
8.1.240.0030.00623.91
8.1.230.0080.00319.16
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.01117.35
8.1.190.0080.00017.23
8.1.180.0090.00018.10
8.1.170.0030.00618.59
8.1.160.0000.00822.06
8.1.150.0000.00818.89
8.1.140.0080.00319.25
8.1.130.0040.00417.93
8.1.120.0050.00317.38
8.1.110.0000.00817.44
8.1.100.0000.00817.32
8.1.90.0040.00417.41
8.1.80.0040.00417.48
8.1.70.0040.00417.48
8.1.60.0060.00317.54
8.1.50.0030.00617.54
8.1.40.0000.00917.41
8.1.30.0040.00417.52
8.1.20.0030.00517.59
8.1.10.0040.00417.38
8.1.00.0040.00417.42
8.0.300.0030.00618.77
8.0.290.0040.00416.63
8.0.280.0040.00418.43
8.0.270.0000.00717.20
8.0.260.0000.00718.49
8.0.250.0040.00416.98
8.0.240.0070.00016.93
8.0.230.0050.00216.86
8.0.220.0040.00416.86
8.0.210.0000.00816.79
8.0.200.0040.00416.93
8.0.190.0030.00616.93
8.0.180.0000.00816.89
8.0.170.0030.00616.87
8.0.160.0040.00416.87
8.0.150.0000.00816.87
8.0.140.0000.00816.77
8.0.130.0000.00913.38
8.0.120.0030.00616.81
8.0.110.0090.00016.95
8.0.100.0030.00516.79
8.0.90.0040.00416.80
8.0.80.0100.01316.80
8.0.70.0090.00016.75
8.0.60.0030.00516.68
8.0.50.0000.00816.66
8.0.30.0160.01017.04
8.0.20.0080.01317.40
8.0.10.0050.00316.76
8.0.00.0160.00316.77
7.4.330.0030.00315.03
7.4.320.0050.00316.57
7.4.300.0000.00716.52
7.4.290.0040.00416.54
7.4.280.0040.00416.37
7.4.270.0080.00016.58
7.4.260.0050.00516.55
7.4.250.0000.00816.48
7.4.240.0020.00616.56
7.4.230.0000.00816.62
7.4.220.0060.01416.51
7.4.210.0090.00616.55
7.4.200.0040.00416.59
7.4.160.0060.01216.67
7.4.150.0150.00317.40
7.4.140.0120.00717.86
7.4.130.0130.01116.52
7.4.120.0080.01216.56
7.4.110.0090.00916.57
7.4.100.0110.00816.60
7.4.90.0060.01516.42
7.4.80.0040.01419.39
7.4.70.0160.01016.55
7.4.60.0070.01116.49
7.4.50.0000.00916.68
7.4.40.0060.01316.38
7.4.30.0070.01716.48
7.4.00.0030.01014.79
7.3.330.0000.00513.23
7.3.320.0060.00013.32
7.3.310.0000.00816.28
7.3.300.0040.00416.32
7.3.290.0070.00916.38
7.3.280.0070.01216.42
7.3.270.0070.01017.40
7.3.260.0090.00916.41
7.3.250.0080.01116.53
7.3.240.0100.00716.38
7.3.230.0100.00716.39
7.3.210.0110.00716.38
7.3.200.0030.01419.39
7.3.190.0130.01316.36
7.3.180.0030.01416.18
7.3.170.0060.01616.57
7.3.160.0090.00916.64
7.2.330.0000.01816.65
7.2.320.0100.00916.52
7.2.310.0100.00716.61
7.2.300.0130.00716.75
7.2.290.0130.00816.64
7.2.60.0060.01016.92
7.2.00.0060.00319.56
7.1.200.0030.01315.68
7.1.100.0110.00418.12
7.1.70.0000.00916.82
7.1.60.0030.01019.46
7.1.50.0060.01916.74
7.1.00.0030.08022.36
7.0.200.0040.00416.94
7.0.140.0000.04721.96
7.0.60.0170.06721.88
7.0.50.0000.04317.85
7.0.40.0170.08320.21
7.0.30.0230.04020.06
7.0.20.0270.06320.17
7.0.10.0130.08320.23
7.0.00.0030.06020.17
5.6.280.0000.07720.78
5.6.210.0070.07320.67
5.6.200.0000.08018.28
5.6.190.0000.05320.77
5.6.180.0330.08020.38
5.6.170.0230.06320.57
5.6.160.0070.04020.46
5.6.150.0070.03718.14
5.6.140.0070.08318.29
5.6.130.0100.08718.16
5.6.120.0100.07021.02
5.6.110.0100.08721.02
5.6.100.0100.04021.09
5.6.90.0130.07321.04
5.6.80.0130.04020.44
5.5.350.3570.04720.40
5.5.340.0070.08718.07
5.5.330.0070.04020.47
5.5.320.0370.06720.30
5.5.310.0430.07320.32
5.5.300.0030.09018.04
5.5.290.0100.07318.13
5.5.280.0030.09320.66
5.5.270.0100.05320.73
5.5.260.0030.06720.76
5.5.250.0000.04720.59
5.5.240.0170.04020.29
5.4.450.0870.05019.34
5.4.440.0070.06319.45
5.4.430.0070.06719.43
5.4.420.0200.05019.38
5.4.410.0100.06319.33
5.4.400.0130.05319.08
5.4.390.0670.08018.67
5.4.380.0770.06018.77
5.4.370.0970.06018.69
5.4.360.0900.05318.69
5.4.350.0870.06318.73
5.4.340.1030.04318.66
5.4.320.0770.06018.74
5.4.310.1070.05018.43
5.4.300.0600.07018.75
5.4.290.1000.05718.46
5.4.280.0630.06718.57
5.4.270.0930.07318.71
5.4.260.1070.07318.74
5.4.250.1230.07318.59
5.4.240.1030.06718.76
5.4.230.0970.05718.79
5.4.220.0770.07018.76
5.4.210.0770.06318.45
5.4.200.1130.07316.57
5.4.190.0870.06018.57
5.4.180.1000.05318.45
5.4.170.0930.05318.41
5.4.160.0730.05718.64
5.4.150.1030.06318.55
5.4.140.1000.07316.14
5.4.130.0870.08716.14
5.4.120.0700.05716.43
5.4.110.0900.05016.30
5.4.100.0800.05716.29
5.4.90.0870.07016.20
5.4.80.1030.06716.13
5.4.70.1100.05016.13
5.4.60.0800.05316.27
5.4.50.0870.04016.14
5.4.40.0730.05716.23
5.4.30.1030.05316.36
5.4.20.0770.06016.26
5.4.10.0930.05016.23
5.4.00.0900.04715.74
5.3.290.0800.06714.68
5.3.280.1100.05014.79
5.3.270.0900.07014.63
5.3.260.0970.05714.63
5.3.250.0830.06014.71
5.3.240.1030.09014.63
5.3.230.0970.06714.64
5.3.220.0900.07314.76
5.3.210.1000.06714.72
5.3.200.0900.06314.65
5.3.190.1070.05714.77
5.3.180.0870.05314.54
5.3.170.0930.06014.64
5.3.160.1130.07314.66
5.3.150.1170.08314.67
5.3.140.1000.05314.66
5.3.130.0830.09714.74
5.3.120.0870.07014.70
5.3.110.1100.07014.50
5.3.100.0870.08714.22
5.3.90.0800.06314.21
5.3.80.1000.06314.21
5.3.70.1100.06314.12
5.3.60.0900.05313.96
5.3.50.0830.07013.92
5.3.40.0600.07313.97
5.3.30.0800.06714.00
5.3.20.1000.06013.67
5.3.10.0770.05313.61
5.3.00.1070.06013.67
5.2.170.0730.05011.19
5.2.160.0930.04311.36
5.2.150.0670.06711.21
5.2.140.0570.06311.18
5.2.130.0670.06311.15
5.2.120.0530.06711.09
5.2.110.0830.06011.06
5.2.100.0930.06011.13
5.2.90.0730.05011.12
5.2.80.0970.04311.13
5.2.70.0800.05711.13
5.2.60.0870.06711.07
5.2.50.0800.07011.09
5.2.40.0600.06311.09
5.2.30.0700.07311.16
5.2.20.0630.05310.98
5.2.10.0700.05010.87
5.2.00.0500.05710.70
5.1.60.0630.04010.15
5.1.50.0530.04310.02
5.1.40.0670.0479.98
5.1.30.0730.05010.30
5.1.20.0630.06310.55
5.1.10.0600.04310.09
5.1.00.0530.04310.10
5.0.50.0300.0538.60
5.0.40.0330.0438.57
5.0.30.0270.0778.39
5.0.20.0300.0478.31
5.0.10.0270.0408.16
5.0.00.0200.0608.27
4.4.90.0300.0336.04
4.4.80.0170.0335.99
4.4.70.0370.0376.00
4.4.60.0270.0435.92
4.4.50.0330.0305.92
4.4.40.0230.0535.95
4.4.30.0270.0635.91
4.4.20.0470.0535.97
4.4.10.0330.0505.98
4.4.00.0400.0576.05
4.3.110.0330.0535.82
4.3.100.0230.0405.81
4.3.90.0270.0375.79
4.3.80.0230.0475.77
4.3.70.0230.0335.86
4.3.60.0370.0405.82
4.3.50.0230.0405.79
4.3.40.0300.0405.75
4.3.30.0130.0474.64
4.3.20.0130.0404.58
4.3.10.0200.0534.61
4.3.00.0030.0408.34

preferences:
50.86 ms | 401 KiB | 5 Q