3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fibIter($n) { if ($n < 2) { return $n; } $fibPrev = 0; $fib = 1; foreach (range(1, $n-1) as $i) { list($fibPrev, $fib) = array($fib, $fib + $fibPrev); } return $fib; } function factorial($number) { if ($number < 2) { return 1; } else { return ($number * factorial($number-1)); } } //echo fibIter(20); echo factorial(31); ?>

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)
8.3.70.0100.01016.38
8.3.60.0070.00718.13
8.3.50.0110.00621.95
8.3.40.0070.00718.85
8.3.30.0130.00319.00
8.3.20.0040.00420.20
8.3.10.0000.00823.66
8.3.00.0030.00717.10
8.2.180.0130.00316.32
8.2.170.0130.00722.96
8.2.160.0070.00720.47
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00422.12
8.2.110.0040.00422.25
8.2.100.0080.00417.50
8.2.90.0000.00819.09
8.2.80.0030.00517.97
8.2.70.0080.00017.38
8.2.60.0060.00317.91
8.2.50.0050.00518.07
8.2.40.0050.00319.94
8.2.30.0050.00317.89
8.2.20.0000.00717.62
8.2.10.0040.00417.88
8.2.00.0090.00017.68
8.1.280.0060.00925.92
8.1.270.0040.00422.14
8.1.260.0000.00826.35
8.1.250.0030.00328.09
8.1.240.0050.00523.98
8.1.230.0090.00319.14
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0050.00517.23
8.1.180.0030.00518.10
8.1.170.0040.00418.59
8.1.160.0040.00421.86
8.1.150.0000.00818.76
8.1.140.0050.00217.33
8.1.130.0030.00317.77
8.1.120.0050.00217.33
8.1.110.0050.00317.29
8.1.100.0000.00717.35
8.1.90.0040.00417.23
8.1.80.0000.00717.34
8.1.70.0070.00017.30
8.1.60.0050.00317.42
8.1.50.0000.00817.39
8.1.40.0060.00617.34
8.1.30.0080.00017.52
8.1.20.0050.00217.50
8.1.10.0090.00017.41
8.1.00.0050.00217.38
8.0.300.0080.00018.77
8.0.290.0070.00016.63
8.0.280.0000.00718.29
8.0.270.0070.00017.20
8.0.260.0070.00017.28
8.0.250.0040.00416.89
8.0.240.0030.00316.80
8.0.230.0070.00016.77
8.0.220.0000.00716.76
8.0.210.0030.00516.73
8.0.200.0030.00316.84
8.0.190.0030.00616.88
8.0.180.0040.00416.80
8.0.170.0050.00316.79
8.0.160.0000.00716.74
8.0.150.0050.00316.57
8.0.140.0040.00416.60
8.0.130.0000.00513.18
8.0.120.0040.00416.70
8.0.110.0000.00916.82
8.0.100.0000.00716.71
8.0.90.0070.00016.82
8.0.80.0000.01516.81
8.0.70.0040.00416.63
8.0.60.0000.00816.65
8.0.50.0040.00416.66
8.0.30.0180.01016.99
8.0.20.0130.00717.40
8.0.10.0040.00416.92
8.0.00.0090.00916.75
7.4.330.0000.00515.00
7.4.320.0040.00416.49
7.4.300.0000.00616.45
7.4.290.0040.00416.42
7.4.280.0040.00416.54
7.4.270.0060.00016.52
7.4.260.0040.00416.42
7.4.250.0000.00716.32
7.4.240.0030.00516.45
7.4.230.0030.00316.19
7.4.220.0130.00316.59
7.4.210.0100.00616.65
7.4.200.0030.00316.65
7.4.160.0120.00316.30
7.4.150.0170.00917.40
7.4.140.0100.01017.86
7.4.130.0110.00616.47
7.4.120.0060.01016.53
7.4.110.0070.01016.40
7.4.100.0060.01016.30
7.4.90.0090.00916.46
7.4.80.0160.00419.39
7.4.70.0110.01116.63
7.4.60.0060.00916.51
7.4.50.0000.00916.67
7.4.40.0070.01016.33
7.4.30.0060.01116.64
7.4.00.0070.01014.77
7.3.330.0050.00013.17
7.3.320.0060.00013.29
7.3.310.0040.00416.13
7.3.300.0000.00716.36
7.3.290.0080.01416.27
7.3.280.0080.00916.36
7.3.270.0090.01517.40
7.3.260.0110.00616.21
7.3.250.0090.01016.41
7.3.240.0110.01116.64
7.3.230.0070.01016.43
7.3.210.0130.01016.65
7.3.200.0090.01219.39
7.3.190.0110.00716.58
7.3.180.0080.00816.26
7.3.170.0090.00616.59
7.3.160.0200.00316.46
7.3.10.0070.00316.65
7.3.00.0030.01016.55
7.2.330.0070.01016.40
7.2.320.0040.01216.65
7.2.310.0090.00816.71
7.2.300.0060.00916.77
7.2.290.0080.01116.39
7.2.130.0000.01116.98
7.2.120.0030.00916.96
7.2.110.0060.00916.89
7.2.100.0060.00516.58
7.2.90.0060.00316.86
7.2.80.0030.00616.85
7.2.70.0030.00617.05
7.2.60.0070.00716.54
7.2.50.0030.00716.92
7.2.40.0070.00316.99
7.2.30.0040.00916.91
7.2.20.0000.01316.80
7.2.10.0040.00816.66
7.2.00.0080.00617.87
7.1.250.0000.01015.45
7.1.100.0030.00618.15
7.1.70.0030.00617.05
7.1.60.0130.00319.32
7.1.50.0040.01816.74
7.1.00.0030.07722.36
7.0.200.0030.00716.86
7.0.140.0070.07022.11
7.0.60.0100.03320.02
7.0.50.0070.06717.88
7.0.40.0130.04320.11
7.0.30.0500.03720.30
7.0.20.0300.07020.09
7.0.10.0030.04720.24
7.0.00.0270.07020.20
5.6.280.0070.06721.14
5.6.210.0130.07320.48
5.6.200.0030.06318.15
5.6.190.0170.03720.44
5.6.180.0500.06320.61
5.6.170.0330.07320.62
5.6.160.0100.07720.50
5.6.150.0100.04718.29
5.6.140.0000.06318.16
5.6.130.0130.03318.14
5.6.120.0130.05720.80
5.6.110.0130.07321.02
5.6.100.0070.06020.98
5.6.90.0070.07021.14
5.6.80.0030.04020.44
5.5.350.0130.03320.44
5.5.340.0100.07717.99
5.5.330.0030.08720.14
5.5.320.0270.04320.27
5.5.310.0330.06320.34
5.5.300.0030.06017.95
5.5.290.0170.07317.97
5.5.280.0070.07320.78
5.5.270.0070.05320.73
5.5.260.0030.06720.80
5.5.250.0170.03320.55
5.5.240.0130.03720.14
5.4.450.0370.03719.39
5.4.440.0270.03719.31
5.4.430.0200.04719.16
5.4.420.0670.00019.43
5.4.410.0630.00019.11
5.4.400.0630.00019.25
5.4.390.0630.00019.15
5.4.380.0670.00019.27
5.4.370.0670.00019.16
5.4.360.0630.00019.11
5.4.350.0630.00019.07
5.4.340.0080.04012.03
5.4.320.0060.04312.51
5.4.310.0080.04512.51
5.4.300.0070.03412.52
5.4.290.0080.04112.52
5.4.280.0070.03912.41
5.4.270.0020.03912.41
5.4.260.0080.04812.41
5.4.250.0060.04312.41
5.4.240.0080.04412.41
5.4.230.0090.04012.40
5.4.220.0050.03512.41
5.4.210.0060.03512.40
5.4.200.0050.04512.41
5.4.190.0100.03212.40
5.4.180.0090.05112.39
5.4.170.0060.03512.41
5.4.160.0050.04512.40
5.4.150.0030.03812.40
5.4.140.0040.05512.08
5.4.130.0030.03712.07
5.4.120.0040.03512.03
5.4.110.0050.03412.02
5.4.100.0040.03612.02
5.4.90.0030.03812.02
5.4.80.0050.03612.02
5.4.70.0060.04812.02
5.4.60.0030.04912.02
5.4.50.0080.03912.02
5.4.40.0030.03812.01
5.4.30.0060.03612.00
5.4.20.0040.03712.00
5.4.10.0070.03512.00
5.4.00.0050.05011.50
5.3.290.0090.04012.80
5.3.280.0060.04012.71
5.3.270.0040.04112.72
5.3.260.0120.03512.72
5.3.250.0060.04112.72
5.3.240.0090.03412.72
5.3.230.0100.03512.71
5.3.220.0060.03712.68
5.3.210.0040.04112.68
5.3.200.0060.03612.68
5.3.190.0050.03812.68
5.3.180.0040.03812.67
5.3.170.0060.03712.67
5.3.160.0050.03712.67
5.3.150.0050.03912.68
5.3.140.0030.04012.66
5.3.130.0090.03712.65
5.3.120.0070.03812.66
5.3.110.0080.03612.66
5.3.100.0060.03712.13
5.3.90.0100.03412.11
5.3.80.0070.03512.10
5.3.70.0050.03812.10
5.3.60.0040.03812.09
5.3.50.0070.03812.03
5.3.40.0060.03612.03
5.3.30.0020.03811.98
5.3.20.0030.03711.77
5.3.10.0070.03311.73
5.3.00.0040.03811.73
5.2.170.0060.0329.23
5.2.160.0060.0289.23
5.2.150.0050.0309.23
5.2.140.0080.0319.23
5.2.130.0040.0359.18
5.2.120.0070.0299.19
5.2.110.0070.0279.20
5.2.100.0040.0349.19
5.2.90.0070.0269.19
5.2.80.0070.0289.18
5.2.70.0050.0449.18
5.2.60.0060.0349.14
5.2.50.0080.0279.11
5.2.40.0050.0289.09
5.2.30.0050.0299.06
5.2.20.0010.0329.06
5.2.10.0110.0358.98
5.2.00.0040.0318.84
5.1.60.0020.0298.12
5.1.50.0030.0268.12
5.1.40.0030.0258.10
5.1.30.0030.0268.45
5.1.20.0010.0388.47
5.1.10.0050.0378.20
5.1.00.0040.0258.20
5.0.50.0030.0236.68
5.0.40.0010.0216.54
5.0.30.0050.0306.35
5.0.20.0060.0226.32
5.0.10.0040.0206.29
5.0.00.0040.0396.28
4.4.90.0040.0154.78
4.4.80.0010.0174.76
4.4.70.0050.0274.75
4.4.60.0020.0174.76
4.4.50.0010.0174.77
4.4.40.0020.0354.77
4.4.30.0030.0174.76
4.4.20.0030.0164.85
4.4.10.0010.0194.85
4.4.00.0040.0274.79
4.3.110.0030.0164.67
4.3.100.0030.0154.67
4.3.90.0020.0184.63
4.3.80.0040.0324.60
4.3.70.0030.0244.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0040.0234.55
4.3.30.0040.0143.36
4.3.20.0040.0143.40
4.3.10.0040.0193.29
4.3.00.0030.02010.53

preferences:
32.58 ms | 401 KiB | 5 Q