3v4l.org

run code in 300+ PHP versions simultaneously
<?php $products = [1, 2, 3, 4, 5]; $vendors = ["Amazon", "Newegg", "Frys"]; $combinations = []; function pc_permute($items, $perms = array()) { if (empty($items)) { //echo join(' ', $perms); //return $perms; array_push($combinations, $perms); } else { for ($i = count($items) - 1; $i >= 0; --$i) { $newitems = $items; $newperms = $perms; list($foo) = array_splice($newitems, $i, 1); array_unshift($newperms, $foo); pc_permute($newitems, $newperms); } } } pc_permute($products); var_dump($combinations);

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)
8.3.60.0060.00918.56
8.3.50.0130.00722.03
8.3.40.0040.01118.91
8.3.30.0040.01120.34
8.3.20.0000.00820.16
8.3.10.0040.00422.09
8.3.00.0000.00822.52
8.2.180.0090.01218.66
8.2.170.0000.01422.96
8.2.160.0160.00322.08
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00621.11
8.2.110.0000.00920.37
8.2.100.0040.00817.91
8.2.90.0000.00719.09
8.2.80.0040.00419.28
8.2.70.0060.00317.63
8.2.60.0040.00418.04
8.2.50.0060.00318.07
8.2.40.0090.00018.03
8.2.30.0000.00818.10
8.2.20.0050.00317.91
8.2.10.0080.00017.83
8.2.00.0040.00717.70
8.1.280.0140.00025.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0000.00923.80
8.1.230.0060.00619.01
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0030.00717.35
8.1.190.0040.00417.53
8.1.180.0070.00318.10
8.1.170.0050.00318.51
8.1.160.0070.00018.82
8.1.150.0000.00818.71
8.1.140.0040.00417.38
8.1.130.0000.00817.76
8.1.120.0000.00817.48
8.1.110.0040.00417.48
8.1.100.0070.00017.41
8.1.90.0040.00417.44
8.1.80.0000.00817.53
8.1.70.0000.00717.41
8.1.60.0050.00317.44
8.1.50.0080.00017.51
8.1.40.0030.00617.45
8.1.30.0000.00717.66
8.1.20.0040.00417.72
8.1.10.0050.00317.52
8.1.00.0000.00717.56
8.0.300.0000.00718.77
8.0.290.0040.00417.05
8.0.280.0040.00418.29
8.0.270.0070.00017.13
8.0.260.0000.00616.86
8.0.250.0040.00416.92
8.0.240.0000.00917.07
8.0.230.0000.00817.04
8.0.220.0040.00416.91
8.0.210.0030.00316.93
8.0.200.0000.00716.91
8.0.190.0000.00817.01
8.0.180.0040.00416.84
8.0.170.0030.00316.98
8.0.160.0000.00717.00
8.0.150.0030.00316.96
8.0.140.0000.00816.87
8.0.130.0030.00313.38
8.0.120.0080.00016.84
8.0.110.0040.00416.98
8.0.100.0000.00816.93
8.0.90.0000.00816.80
8.0.80.0090.00616.94
8.0.70.0000.00717.00
8.0.60.0040.00416.78
8.0.50.0000.00717.00
8.0.30.0060.01216.88
8.0.20.0060.01317.40
8.0.10.0030.00616.96
8.0.00.0140.00816.66
7.4.330.0040.00415.00
7.4.320.0000.00716.63
7.4.300.0050.00316.42
7.4.290.0030.00716.41
7.4.280.0090.00016.44
7.4.270.0040.00416.46
7.4.260.0000.00613.36
7.4.250.0000.00716.50
7.4.240.0020.00516.57
7.4.230.0080.00016.32
7.4.220.0170.00416.59
7.4.210.0100.00916.59
7.4.200.0050.00216.42
7.4.190.0040.00416.68
7.4.160.0120.01516.54
7.4.150.0130.00617.40
7.4.140.0060.01617.86
7.4.130.0070.01116.55
7.4.120.0100.01516.54
7.4.110.0110.00816.53
7.4.100.0100.01316.41
7.4.90.0130.00716.69
7.4.80.0130.00719.39
7.4.70.0090.00916.54
7.4.60.0140.00316.46
7.4.50.0030.00616.38
7.4.40.0120.00322.77
7.4.30.0110.00716.57
7.4.00.0060.00614.85
7.3.330.0030.00313.34
7.3.320.0000.00513.35
7.3.310.0000.00716.47
7.3.300.0050.00316.29
7.3.290.0100.00616.50
7.3.280.0100.00716.45
7.3.270.0080.01217.40
7.3.260.0060.01216.44
7.3.250.0090.01216.52
7.3.240.0120.00816.33
7.3.230.0060.01216.38
7.3.210.0040.01416.46
7.3.200.0040.01419.39
7.3.190.0070.01016.45
7.3.180.0090.00916.37
7.3.170.0110.00616.44
7.3.160.0030.01416.46
7.3.120.0100.00614.70
7.2.330.0060.01316.77
7.2.320.0130.01316.76
7.2.310.0040.01416.45
7.2.300.0160.01016.82
7.2.290.0100.00716.66
7.1.70.0030.00717.19
7.1.60.0160.00919.32
7.1.50.0160.00617.10
7.1.00.0070.05722.46
7.0.200.0050.00516.52
7.0.140.0030.07722.09
7.0.100.0000.04320.05
7.0.90.0130.03719.99
7.0.80.0130.03719.97
7.0.70.0100.04019.94
7.0.60.0070.04319.94
7.0.50.0100.04020.36
7.0.40.0000.04320.18
7.0.30.0030.04320.09
7.0.20.0070.04020.08
7.0.10.0070.04020.04
7.0.00.0030.04319.95
5.6.280.0030.07321.09
5.6.250.0100.04020.61
5.6.240.0070.04020.55
5.6.230.0030.04720.60
5.6.220.0070.05320.52
5.6.210.0070.05320.61
5.6.200.0070.03720.94
5.6.190.0070.04021.04
5.6.180.0030.06020.89
5.6.170.0070.04721.05
5.6.160.0100.07721.17
5.6.150.0000.05321.01
5.6.140.0030.04720.98
5.6.130.0000.09021.10
5.6.120.0130.07021.11
5.6.110.0130.08720.96
5.6.100.0070.08721.00
5.6.90.0070.08721.00
5.6.80.0100.07320.45
5.6.70.0100.06320.33
5.6.60.0100.07720.32
5.6.50.0100.07720.41
5.6.40.0070.08020.54
5.6.30.0070.08720.42
5.6.20.0070.04720.39
5.6.10.0100.08020.36
5.6.00.0030.09020.46
5.5.380.0070.04020.57
5.5.370.0030.04320.41
5.5.360.0100.04720.34
5.5.350.0130.03720.37
5.5.340.0000.05020.77
5.5.330.0030.04020.88
5.5.320.0100.03720.93
5.5.310.0030.04020.87
5.5.300.0070.04320.77
5.5.290.0100.08020.77
5.5.280.0100.07720.77
5.5.270.0100.06720.91
5.5.260.0100.08320.91
5.5.250.0170.06020.71
5.5.240.0070.06720.12
5.5.230.0030.07020.25
5.5.220.0030.08720.24
5.5.210.0000.06720.01
5.5.200.0170.06720.08
5.5.190.0100.08020.27
5.5.180.0130.07720.24
5.5.160.0130.04020.15
5.5.150.0070.08020.23
5.5.140.0070.08020.23
5.5.130.0000.08320.24
5.5.120.0070.07720.23
5.5.110.0070.08020.16
5.5.100.0000.08720.07
5.5.90.0100.07320.17
5.5.80.0130.06720.17
5.5.70.0100.08020.06
5.5.60.0100.08020.05
5.5.50.0100.05020.05
5.5.40.0170.06720.08
5.5.30.0130.06320.05
5.5.20.0130.07720.14
5.5.10.0070.08019.98
5.5.00.0030.08319.97
5.4.450.0000.04319.38
5.4.440.0100.07319.41
5.4.430.0130.07019.23
5.4.420.0000.05019.20
5.4.410.0000.08319.34
5.4.400.0070.07019.05
5.4.390.0130.07718.85
5.4.380.0030.06318.95
5.4.370.0100.07319.12
5.4.360.0030.04319.18
5.4.350.0100.07019.21
5.4.340.0130.06719.00
5.4.320.0170.05319.12
5.4.310.0130.06719.24
5.4.300.0100.06019.09
5.4.290.0030.06719.12
5.4.280.0030.06018.87
5.4.270.0070.06019.12
5.4.260.0170.05319.05
5.4.250.0070.07719.23
5.4.240.0100.07319.06
5.4.230.0130.07018.87
5.4.220.0070.08319.17
5.4.210.0100.07719.14
5.4.200.0100.07719.12
5.4.190.0070.07718.84
5.4.180.0100.07319.08
5.4.170.0130.07719.20
5.4.160.0070.08319.11
5.4.150.0200.05719.23
5.4.140.0000.08016.20
5.4.130.0100.06716.33
5.4.120.0030.05016.42
5.4.110.0170.06316.27
5.4.100.0130.05016.57
5.4.90.0070.07016.51
5.4.80.0130.07316.38
5.4.70.0170.06316.38
5.4.60.0070.06716.37
5.4.50.0070.07316.46
5.4.40.0100.07016.54
5.4.30.0100.07316.36
5.4.20.0100.07016.52
5.4.10.0030.08016.44
5.4.00.0000.08015.88
5.3.290.0130.07715.70
5.3.280.0130.05015.70
5.3.270.0070.08015.70
5.3.260.0070.07715.70
5.3.250.0070.07015.70
5.3.240.0070.07715.70
5.3.230.0170.06315.70
5.3.220.0070.07315.70
5.3.210.0100.07715.70
5.3.200.0200.06015.70
5.3.190.0200.03315.70
5.3.180.0100.06715.70
5.3.170.0100.07315.70
5.3.160.0100.07715.70
5.3.150.0030.07715.70
5.3.140.0130.06715.70
5.3.130.0100.07715.70
5.3.120.0130.07315.70
5.3.110.0070.07715.70
5.3.100.0170.06015.70
5.3.90.0100.07015.70
5.3.80.0030.07715.70
5.3.70.0100.06715.70
5.3.60.0070.04015.70
5.3.50.0070.07015.70
5.3.40.0100.07015.70
5.3.30.0100.06715.70
5.3.20.0030.07315.70
5.3.10.0100.06315.70
5.3.00.0070.05015.70
5.2.170.0170.05015.70
5.2.160.0070.06015.70
5.2.150.0000.07315.70
5.2.140.0030.04315.70
5.2.130.0130.04015.70
5.2.120.0030.04715.70
5.2.110.0030.06015.70
5.2.100.0130.04715.70
5.2.90.0070.06315.70
5.2.80.0100.05315.70
5.2.70.0070.05715.70
5.2.60.0030.05015.70
5.2.50.0030.06315.70
5.2.40.0130.05315.70
5.2.30.0030.06015.70
5.2.20.0170.05015.70
5.2.10.0030.04015.70
5.2.00.0070.05015.70
5.1.60.0070.05015.70
5.1.50.0100.04015.70
5.1.40.0030.03715.70
5.1.30.0070.05715.70
5.1.20.0100.05015.70
5.1.10.0000.05715.70
5.1.00.0030.05315.70
5.0.50.0000.04315.70
5.0.40.0030.04315.70
5.0.30.0030.06315.70
5.0.20.0030.04015.70
5.0.10.0030.04715.70
5.0.00.0030.05315.70
4.4.90.0070.03015.70
4.4.80.0030.02315.70
4.4.70.0070.03315.70
4.4.60.0030.03315.70
4.4.50.0000.02015.70
4.4.40.0070.04315.70
4.4.30.0030.01715.70
4.4.20.0070.03315.70
4.4.10.0170.02015.70
4.4.00.0030.04715.70
4.3.110.0000.02715.70
4.3.100.0000.03715.70
4.3.90.0030.02715.70
4.3.80.0000.05715.70
4.3.70.0000.03315.70
4.3.60.0000.03315.70
4.3.50.0070.03315.70
4.3.40.0000.03715.70
4.3.30.0030.01715.70
4.3.20.0030.02715.70
4.3.10.0030.03315.70
4.3.00.0030.02715.70

preferences:
43.44 ms | 400 KiB | 5 Q