3v4l.org

run code in 300+ PHP versions simultaneously
<?php $products = [1, 2, 3, 4, 5]; $vendors = ["Amazon", "Newegg", "Frys"]; $combinations = array(); $combination_count = 0; function pc_permute($items, $perms = array()) { if (empty($items)) { //echo join(' ', $perms); //var_dump($perms); $combinations[$combination_count] = $perms; } else { for ($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)
8.3.60.0130.00318.68
8.3.50.0130.01021.14
8.3.40.0140.00718.54
8.3.30.0110.00420.20
8.3.20.0080.00020.34
8.3.10.0040.00421.97
8.3.00.0040.00422.51
8.2.180.0150.00316.60
8.2.170.0110.00722.96
8.2.160.0070.00722.11
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00321.13
8.2.110.0100.00022.12
8.2.100.0080.00417.71
8.2.90.0000.00819.13
8.2.80.0000.00819.34
8.2.70.0080.00317.49
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0050.00318.18
8.2.30.0060.00318.08
8.2.20.0050.00317.84
8.2.10.0080.00017.80
8.2.00.0070.00317.81
8.1.280.0150.00425.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0120.00623.91
8.1.230.0090.00318.97
8.1.220.0030.00617.77
8.1.210.0080.00018.77
8.1.200.0050.00417.25
8.1.190.0040.00417.66
8.1.180.0030.00818.10
8.1.170.0000.00918.63
8.1.160.0040.00418.89
8.1.150.0040.00418.69
8.1.140.0000.00817.45
8.1.130.0040.00417.92
8.1.120.0000.00717.34
8.1.110.0080.00017.46
8.1.100.0030.00517.52
8.1.90.0040.00417.49
8.1.80.0000.00817.48
8.1.70.0030.00317.33
8.1.60.0000.00917.51
8.1.50.0030.00517.41
8.1.40.0000.00817.50
8.1.30.0040.00417.68
8.1.20.0060.00317.61
8.1.10.0000.00817.55
8.1.00.0000.00817.58
8.0.300.0040.00418.77
8.0.290.0030.00617.05
8.0.280.0030.00518.39
8.0.270.0000.00817.21
8.0.260.0030.00316.73
8.0.250.0000.00716.97
8.0.240.0040.00416.96
8.0.230.0030.00316.98
8.0.220.0000.00816.86
8.0.210.0000.00816.78
8.0.200.0070.00016.94
8.0.190.0040.00416.91
8.0.180.0070.00016.80
8.0.170.0040.00416.95
8.0.160.0000.00816.97
8.0.150.0040.00416.86
8.0.140.0050.00316.91
8.0.130.0030.00313.42
8.0.120.0000.00816.82
8.0.110.0050.00316.87
8.0.100.0000.00816.90
8.0.90.0000.00716.85
8.0.80.0060.00916.91
8.0.70.0070.00016.99
8.0.60.0040.00416.98
8.0.50.0000.00716.85
8.0.30.0110.00917.04
8.0.20.0110.01117.40
8.0.10.0040.00416.99
8.0.00.0110.01216.55
7.4.330.0050.00215.00
7.4.320.0030.00316.50
7.4.300.0060.00016.59
7.4.290.0000.00916.46
7.4.280.0040.00416.62
7.4.270.0000.00716.61
7.4.260.0060.00313.22
7.4.250.0000.00716.59
7.4.240.0050.00316.54
7.4.230.0030.00316.55
7.4.220.0060.01316.47
7.4.210.0090.00716.52
7.4.200.0060.00316.69
7.4.190.0000.00816.65
7.4.160.0060.01216.40
7.4.150.0090.00917.40
7.4.140.0090.01417.86
7.4.130.0140.01216.44
7.4.120.0090.01116.54
7.4.110.0180.00016.44
7.4.100.0110.01116.63
7.4.90.0040.01516.56
7.4.80.0150.00319.39
7.4.70.0090.00916.36
7.4.60.0110.00716.67
7.4.50.0000.00916.62
7.4.40.0060.00622.77
7.4.30.0110.01416.56
7.4.00.0140.00414.94
7.3.330.0000.00613.49
7.3.320.0030.00313.41
7.3.310.0000.00716.45
7.3.300.0030.00316.48
7.3.290.0110.00616.43
7.3.280.0080.01016.42
7.3.270.0130.00817.40
7.3.260.0140.00716.43
7.3.250.0110.00916.47
7.3.240.0100.01016.71
7.3.230.0130.01016.39
7.3.210.0030.01816.48
7.3.200.0090.00919.39
7.3.190.0110.00716.48
7.3.180.0070.01416.63
7.3.170.0060.01216.49
7.3.160.0120.00816.32
7.3.120.0090.00914.72
7.3.110.0110.00714.93
7.3.100.0070.01114.84
7.3.90.0000.01514.62
7.3.80.0040.00814.58
7.3.70.0070.00414.42
7.3.60.0000.01514.77
7.3.50.0100.00714.88
7.3.40.0000.01414.95
7.3.30.0000.01414.63
7.3.20.0030.01216.80
7.3.10.0030.00616.72
7.3.00.0060.00316.58
7.2.330.0000.02016.75
7.2.320.0080.01116.79
7.2.310.0130.01316.49
7.2.300.0100.00716.67
7.2.290.0130.01016.50
7.2.250.0140.00715.09
7.2.240.0070.01414.80
7.2.230.0040.01414.49
7.2.220.0030.00714.89
7.2.210.0030.01315.12
7.2.200.0040.01215.05
7.2.190.0000.01114.76
7.2.180.0000.01215.04
7.2.170.0110.00715.10
7.2.110.0100.00716.75
7.2.60.0240.00016.79
7.2.00.0030.01019.64
7.1.330.0070.01116.05
7.1.320.0000.01215.70
7.1.310.0120.00315.86
7.1.300.0090.00615.76
7.1.290.0070.01115.67
7.1.280.0030.00615.66
7.1.270.0040.01115.93
7.1.260.0070.00715.82
7.1.200.0100.00315.82
7.1.100.0040.01118.06
7.1.70.0000.01417.21
7.1.60.0070.01719.32
7.1.50.0070.01416.99
7.1.00.0000.03722.32
7.0.200.0040.00716.77
7.0.140.0030.07321.99
7.0.80.0030.08019.98
7.0.70.0270.07719.92
7.0.60.0370.08319.79
7.0.50.0200.07320.32
7.0.40.0070.07720.05
7.0.30.0130.07319.93
7.0.20.0200.04320.05
7.0.10.0100.05020.04
7.0.00.0070.06720.09
5.6.280.0030.08020.89
5.6.230.0070.06020.51
5.6.220.0100.08020.65
5.6.210.0100.06020.47
5.6.200.0070.06020.97
5.6.190.0100.08721.12
5.6.180.0100.05721.05
5.6.170.0100.04721.17
5.6.160.0070.05320.97
5.6.150.0130.08721.09
5.6.140.0100.08021.17
5.6.130.0200.06020.96
5.6.120.0200.06721.06
5.6.110.0170.07021.06
5.6.100.0170.08021.09
5.6.90.0070.06721.16
5.6.80.0100.07720.40
5.6.70.0200.06320.49
5.6.60.0100.09020.46
5.6.50.0000.06320.32
5.6.40.0070.05020.42
5.6.30.0100.07720.45
5.6.20.0100.06720.53
5.6.10.0070.05020.48
5.6.00.0030.07720.36
5.5.370.0100.07320.39
5.5.360.0070.05720.43
5.5.350.0170.05320.46
5.5.340.0130.07320.89
5.5.330.0000.09020.92
5.5.320.0070.08720.89
5.5.310.0130.06720.80
5.5.300.0070.06020.78
5.5.290.0070.08320.86
5.5.280.0130.08320.80
5.5.270.0000.08720.92
5.5.260.0030.08320.86
5.5.250.0100.08320.67
5.5.240.0200.07020.15
5.5.230.0070.07020.25
5.5.220.0170.07320.30
5.5.210.0100.08320.18
5.5.200.0200.07020.28
5.5.190.0100.05320.19
5.5.180.0170.06020.15
5.5.160.0070.07320.24
5.5.150.0130.04320.21
5.5.140.0070.06720.08
5.5.130.0070.07720.18
5.5.120.0070.04320.21
5.5.110.0130.07020.27
5.5.100.0230.06320.16
5.5.90.0100.08320.09
5.5.80.0070.04719.95
5.5.70.0070.04320.14
5.5.60.0030.05020.11
5.5.50.0070.06320.08
5.5.40.0100.05720.05
5.5.30.0100.06720.14
5.5.20.0030.07720.09
5.5.10.0030.08720.04
5.5.00.0170.07020.04
5.4.450.0070.08319.23
5.4.440.0130.07319.23
5.4.430.0070.08319.21
5.4.420.0030.08719.55
5.4.410.0170.07319.23
5.4.400.0070.07019.21
5.4.390.0100.07319.03
5.4.380.0130.06719.23
5.4.370.0100.06319.12
5.4.360.0070.05019.03
5.4.350.0070.07019.16
5.4.340.0130.05719.04
5.4.320.0030.04719.13
5.4.310.0070.06019.18
5.4.300.0100.07319.05
5.4.290.0030.08719.09
5.4.280.0100.07319.20
5.4.270.0000.08019.15
5.4.260.0170.07018.86
5.4.250.0130.07319.12
5.4.240.0000.08719.11
5.4.230.0170.05719.16
5.4.220.0100.04318.89
5.4.210.0270.06019.13
5.4.200.0070.07318.95
5.4.190.0070.08018.86
5.4.180.0130.07019.15
5.4.170.0030.04319.03
5.4.160.0030.08719.03
5.4.150.0070.08718.88
5.4.140.0100.06316.20
5.4.130.0030.07716.18
5.4.120.0130.04316.34
5.4.110.0100.06016.50
5.4.100.0070.05316.45
5.4.90.0070.05716.27
5.4.80.0070.06716.40
5.4.70.0100.07316.41
5.4.60.0130.03316.45
5.4.50.0070.05016.36
5.4.40.0100.06016.45
5.4.30.0030.08016.29
5.4.20.0070.04016.43
5.4.10.0070.04016.44
5.4.00.0200.04315.86
5.3.290.0100.06314.63
5.3.280.0070.06014.54
5.3.270.0030.04714.55
5.3.260.0070.07014.44
5.3.250.0030.04314.46
5.3.240.0270.03314.60
5.3.230.0030.07314.45
5.3.220.0170.06314.48
5.3.210.0100.03714.48
5.3.200.0100.07014.57
5.3.190.0070.07014.55
5.3.180.0000.04714.55
5.3.170.0030.06714.57
5.3.160.0100.07014.55
5.3.150.0130.05014.51
5.3.140.0100.06314.46
5.3.130.0030.04314.42
5.3.120.0070.07314.53
5.3.110.0070.07714.51
5.3.100.0170.07014.04
5.3.90.0030.06713.93
5.3.80.0030.07313.93
5.3.70.0100.07313.99
5.3.60.0030.08013.99
5.3.50.0070.06013.94
5.3.40.0030.07313.92
5.3.30.0030.07013.85
5.3.20.0070.06713.46
5.3.10.0100.04313.61
5.3.00.0030.07013.49
5.2.170.0070.06311.86
5.2.160.0030.04311.86
5.2.150.0130.05011.86
5.2.140.0130.03311.86
5.2.130.0070.04711.86
5.2.120.0030.05711.86
5.2.110.0070.03311.86
5.2.100.0130.04311.86
5.2.90.0030.06311.86
5.2.80.0130.05311.86
5.2.70.0030.06011.86
5.2.60.0130.05711.86
5.2.50.0030.06711.86
5.2.40.0030.06711.86
5.2.30.0000.05711.86
5.2.20.0070.03711.86
5.2.10.0030.06011.86
5.2.00.0030.05311.86
5.1.60.0000.05011.86
5.1.50.0000.04311.86
5.1.40.0000.05711.86
5.1.30.0070.05311.86
5.1.20.0000.06311.86
5.1.10.0030.04711.86
5.1.00.0030.05311.86
5.0.50.0030.04311.86
5.0.40.0000.04711.86
5.0.30.0030.05011.86
5.0.20.0070.03711.86
5.0.10.0070.04011.86
5.0.00.0070.05311.86
4.4.90.0000.03711.86
4.4.80.0030.03711.86
4.4.70.0000.03711.86
4.4.60.0000.01711.86
4.4.50.0070.03311.86
4.4.40.0000.06311.86
4.4.30.0030.02011.86
4.4.20.0070.02011.86
4.4.10.0000.03711.86
4.4.00.0030.04011.86
4.3.110.0070.02011.86
4.3.100.0100.03311.86
4.3.90.0030.03311.86
4.3.80.0000.05011.86
4.3.70.0000.02311.86
4.3.60.0030.03011.86
4.3.50.0000.03711.86
4.3.40.0000.03711.86
4.3.30.0030.03311.86
4.3.20.0030.04011.86
4.3.10.0070.02311.86
4.3.00.0000.02011.86

preferences:
38.08 ms | 401 KiB | 5 Q