3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fibMemo = call_user_func(function () { $memo = array(0 => 0, 1 => 1); $fib = function ($n) use (&$memo, &$fib) { if (!isset($memo[$n])) { $memo[$n] = $fib($n - 1) + $fib($n - 2); } return $memo[$n]; }; return $fib; }); echo $fibMemo(10);

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)
8.3.60.0110.00416.61
8.3.50.0130.00616.49
8.3.40.0000.01418.53
8.3.30.0080.00618.67
8.3.20.0130.00718.73
8.3.10.0030.00620.66
8.3.00.0150.00319.22
8.2.180.0100.01016.75
8.2.170.0070.00722.96
8.2.160.0000.01322.30
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00019.89
8.2.110.0060.00320.94
8.2.100.0070.00417.84
8.2.90.0040.00419.41
8.2.80.0000.00719.34
8.2.70.0050.00317.50
8.2.60.0040.00718.05
8.2.50.0060.00318.07
8.2.40.0020.00518.34
8.2.30.0000.00718.01
8.2.20.0040.00417.75
8.2.10.0000.00817.80
8.2.00.0070.00417.79
8.1.280.0120.00325.92
8.1.270.0040.00424.66
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0040.00422.61
8.1.230.0040.00720.97
8.1.220.0030.00617.74
8.1.210.0110.00018.89
8.1.200.0100.00017.36
8.1.190.0090.00017.63
8.1.180.0030.00518.10
8.1.170.0000.00818.70
8.1.160.0000.00818.81
8.1.150.0000.00718.64
8.1.140.0030.00617.46
8.1.130.0000.00717.82
8.1.120.0070.00017.50
8.1.110.0070.00017.53
8.1.100.0070.00017.45
8.1.90.0040.00417.50
8.1.80.0000.00817.49
8.1.70.0000.00817.32
8.1.60.0050.00517.48
8.1.50.0000.00717.38
8.1.40.0000.00717.56
8.1.30.0000.00717.62
8.1.20.0030.00517.66
8.1.10.0080.00017.63
8.1.00.0040.00417.54
8.0.300.0070.00019.97
8.0.290.0070.00016.58
8.0.280.0000.00718.45
8.0.270.0070.00317.28
8.0.260.0000.00716.83
8.0.250.0000.00717.00
8.0.240.0030.00716.88
8.0.230.0030.00316.89
8.0.220.0050.00216.89
8.0.210.0070.00016.79
8.0.200.0030.00316.80
8.0.190.0040.00416.94
8.0.180.0000.00816.95
8.0.170.0090.00016.82
8.0.160.0040.00416.82
8.0.150.0040.00416.83
8.0.140.0030.00616.74
8.0.130.0030.00313.29
8.0.120.0040.00416.75
8.0.110.0000.00817.02
8.0.100.0030.00316.77
8.0.90.0080.00016.86
8.0.80.0070.01416.95
8.0.70.0000.00716.98
8.0.60.0000.00816.88
8.0.50.0000.00816.99
8.0.30.0100.00817.11
8.0.20.0120.01217.13
8.0.10.0050.00217.09
8.0.00.0110.00716.83
7.4.330.0020.00212.93
7.4.320.0030.00316.60
7.4.300.0030.00316.49
7.4.290.0030.00316.57
7.4.280.0060.00316.53
7.4.270.0000.00816.66
7.4.260.0030.00313.19
7.4.250.0090.00016.59
7.4.240.0030.00316.59
7.4.230.0030.00316.64
7.4.220.0130.01316.46
7.4.210.0040.01316.60
7.4.200.0030.00316.52
7.4.190.0020.00516.70
7.4.160.0090.00616.35
7.4.150.0180.00316.64
7.4.140.0120.00816.44
7.4.130.0080.00816.57
7.4.120.0050.01216.63
7.4.110.0060.01016.46
7.4.100.0070.01016.45
7.4.90.0120.00816.52
7.4.80.0100.00716.47
7.4.70.0110.00616.46
7.4.60.0130.00516.67
7.4.50.0000.00516.30
7.4.40.0060.00616.20
7.4.30.0140.00216.47
7.4.00.0140.00315.02
7.3.330.0030.00313.33
7.3.320.0050.00013.33
7.3.310.0040.00416.34
7.3.300.0000.00716.39
7.3.290.0040.01516.35
7.3.280.0100.00716.32
7.3.270.0080.00816.59
7.3.260.0140.00916.60
7.3.250.0120.01216.49
7.3.240.0140.00416.43
7.3.230.0080.00816.41
7.3.210.0100.00716.33
7.3.200.0120.01119.39
7.3.190.0090.01216.67
7.3.180.0080.01116.66
7.3.170.0100.01316.46
7.3.160.0120.00316.39
7.3.120.0060.00815.10
7.2.330.0080.01116.62
7.2.320.0110.01116.52
7.2.310.0100.00916.60
7.2.300.0090.01216.71
7.2.290.0060.01216.56
7.2.00.0120.00419.51
7.1.100.0030.00518.18
7.1.70.0030.00517.21
7.1.60.0110.01419.40
7.1.50.0070.01616.83
7.1.00.0030.07022.45
7.0.200.0030.00316.74
7.0.140.0070.07321.99
7.0.120.0100.06722.03
7.0.110.0070.08320.09
7.0.100.0130.03320.08
7.0.90.0070.08719.92
7.0.80.0000.08319.92
7.0.70.0130.06720.05
7.0.60.0030.07319.99
7.0.50.0200.06720.48
7.0.40.0070.07720.23
7.0.30.0070.08320.25
7.0.20.0130.08020.15
7.0.10.0100.08020.23
7.0.00.0100.07720.15
5.6.280.0000.07721.12
5.6.260.0070.07020.73
5.6.250.0030.06020.69
5.6.240.0200.05020.72
5.6.230.0130.08020.72
5.6.220.0030.05720.85
5.6.210.0170.07020.64
5.6.200.0070.08021.12
5.6.190.0100.08321.12
5.6.180.0070.08321.28
5.6.170.0100.07721.28
5.6.160.0170.06721.00
5.6.150.0200.04020.95
5.6.140.0030.09021.09
5.6.130.0070.04321.09
5.6.120.0000.08721.04
5.6.110.0070.07721.19
5.6.100.0070.08321.28
5.6.90.0170.07020.94
5.6.80.0070.07020.58
5.6.70.0100.04720.38
5.6.60.0100.07320.31
5.6.50.0030.05320.44
5.6.40.0030.08320.43
5.6.30.0200.06720.48
5.6.20.0070.05720.57
5.6.10.0130.07020.31
5.6.00.0170.06320.36
5.5.380.0130.06720.56
5.5.370.0070.07020.55
5.5.360.0070.05020.41
5.5.350.0130.07320.42
5.5.340.0100.08320.75
5.5.330.0130.08720.96
5.5.320.0030.07021.02
5.5.310.0030.08320.89
5.5.300.0030.08020.93
5.5.290.0100.08020.99
5.5.280.0130.06020.75
5.5.270.0030.08320.70
5.5.260.0070.08020.94
5.5.250.0170.05720.80
5.5.240.0130.07320.34
5.5.230.0100.07720.06
5.5.220.0070.05020.20
5.5.210.0030.06720.40
5.5.200.0100.07020.14
5.5.190.0100.07720.17
5.5.180.0100.07320.30
5.5.160.0170.03720.25
5.5.150.0170.06720.36
5.5.140.0070.05720.22
5.5.130.0230.06320.04
5.5.120.0070.07320.13
5.5.110.0130.07020.16
5.5.100.0130.06320.24
5.5.90.0030.08020.28
5.5.80.0070.07320.01
5.5.70.0030.06020.02
5.5.60.0070.06020.01
5.5.50.0030.07719.98
5.5.40.0200.07020.00
5.5.30.0070.08720.05
5.5.20.0130.07320.26
5.5.10.0030.08020.02
5.5.00.0200.06320.06
5.4.450.0030.08019.49
5.4.440.0170.06719.27
5.4.430.0000.08319.32
5.4.420.0030.07319.55
5.4.410.0100.08019.29
5.4.400.0070.06319.14
5.4.390.0130.07019.34
5.4.380.0030.07719.20
5.4.370.0170.06718.98
5.4.360.0000.08019.18
5.4.350.0030.07019.16
5.4.340.0130.06319.23
5.4.320.0100.07719.18
5.4.310.0070.08019.00
5.4.300.0130.07319.14
5.4.290.0070.08019.01
5.4.280.0100.08019.03
5.4.270.0230.06019.00
5.4.260.0030.08319.23
5.4.250.0170.06719.01
5.4.240.0070.07719.18
5.4.230.0100.06719.22
5.4.220.0070.07019.00
5.4.210.0100.07319.23
5.4.200.0070.07318.98
5.4.190.0070.05318.99
5.4.180.0000.08319.17
5.4.170.0130.07019.13
5.4.160.0130.06319.16
5.4.150.0030.05019.16
5.4.140.0130.06316.45
5.4.130.0070.07316.38
5.4.120.0100.06316.35
5.4.110.0100.07016.40
5.4.100.0070.04316.27
5.4.90.0100.06716.52
5.4.80.0030.07716.50
5.4.70.0100.05016.53
5.4.60.0070.05316.45
5.4.50.0130.06016.34
5.4.40.0030.07316.44
5.4.30.0070.07016.62
5.4.20.0000.05016.28
5.4.10.0100.06316.51
5.4.00.0070.06015.80
5.3.290.0000.08014.71
5.3.280.0030.04714.69
5.3.270.0000.07014.70
5.3.260.0130.04014.62
5.3.250.0070.07314.46
5.3.240.0100.07714.73
5.3.230.0130.07014.73
5.3.220.0100.06314.55
5.3.210.0030.04014.65
5.3.200.0030.08014.64
5.3.190.0100.07714.57
5.3.180.0030.05714.59
5.3.170.0100.06714.42
5.3.160.0030.04014.58
5.3.150.0000.07314.57
5.3.140.0000.05014.68
5.3.130.0070.04014.56
5.3.120.0070.07014.68
5.3.110.0070.07714.64
5.3.100.0000.08014.13
5.3.90.0070.07314.10
5.3.80.0070.07314.02
5.3.70.0100.07314.04
5.3.60.0030.08014.14
5.3.50.0070.07013.97
5.3.40.0030.03713.97
5.3.30.0070.07013.96
5.3.20.0070.04713.67
5.3.10.0000.07013.80
5.3.00.0030.05013.64
5.2.170.0070.03713.07
5.2.160.0100.05313.07
5.2.150.0070.03313.07
5.2.140.0100.05313.07
5.2.130.0070.06013.07
5.2.120.0070.03313.07
5.2.110.0130.05713.07
5.2.100.0000.05013.07
5.2.90.0070.04713.07
5.2.80.0100.05713.07
5.2.70.0030.06713.07
5.2.60.0170.05313.07
5.2.50.0100.05713.07
5.2.40.0130.05313.07
5.2.30.0030.06013.07
5.2.20.0070.03313.07
5.2.10.0030.06313.07
5.2.00.0000.04013.07
5.1.60.0100.04313.07
5.1.50.0070.04313.07
5.1.40.0070.03013.07
5.1.30.0070.04713.07
5.1.20.0070.04713.07
5.1.10.0070.05313.07
5.1.00.0030.04313.07
5.0.50.0030.04013.07
5.0.40.0030.04713.07
5.0.30.0000.06313.07
5.0.20.0000.04713.07
5.0.10.0070.03313.07
5.0.00.0030.05713.07
4.4.90.0030.03013.07
4.4.80.0070.03013.07
4.4.70.0070.03313.07
4.4.60.0000.03313.07
4.4.50.0000.03713.07
4.4.40.0030.04313.07
4.4.30.0030.03313.07
4.4.20.0000.02713.07
4.4.10.0000.03713.07
4.4.00.0070.04713.07
4.3.110.0030.03313.07
4.3.100.0000.03713.07
4.3.90.0000.02713.07
4.3.80.0030.04713.07
4.3.70.0000.02313.07
4.3.60.0070.02313.07
4.3.50.0000.03713.07
4.3.40.0030.04313.07
4.3.30.0030.03313.07
4.3.20.0000.03713.07
4.3.10.0000.03713.07
4.3.00.0030.03013.07

preferences:
34.27 ms | 401 KiB | 5 Q