3v4l.org

run code in 300+ PHP versions simultaneously
<?php $products = [1, 2, 3, 4, 5]; $vendors = ["Amazon", "Newegg", "Frys"]; $product_combinations = array(); function pc_permute($items, &$combinations, $perms = array()) { if (empty($items)) { $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, $combinations, $newperms); } } } // Build product combinations pc_permute($products, $product_combinations); // Build vendor combinations var_dump($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)
8.3.60.0130.00618.68
8.3.50.0040.01321.14
8.3.40.0120.00918.57
8.3.30.0110.00420.35
8.3.20.0080.00020.39
8.3.10.0040.00422.09
8.3.00.0090.00022.46
8.2.180.0070.01116.75
8.2.170.0100.00322.96
8.2.160.0070.00722.09
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0000.01326.16
8.2.120.0070.00021.00
8.2.110.0070.00322.12
8.2.100.0120.00017.91
8.2.90.0040.00417.97
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0000.00818.04
8.2.50.0000.00918.07
8.2.40.0060.00317.84
8.2.30.0000.00818.16
8.2.20.0000.00817.89
8.2.10.0020.00517.80
8.2.00.0000.00917.83
8.1.280.0030.01425.92
8.1.270.0050.00323.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00022.51
8.1.230.0090.00320.95
8.1.220.0030.00517.78
8.1.210.0030.00518.88
8.1.200.0040.00417.23
8.1.190.0040.00417.30
8.1.180.0050.00518.76
8.1.170.0000.00918.52
8.1.160.0040.00418.88
8.1.150.0000.00718.69
8.1.140.0000.00817.51
8.1.130.0030.00317.92
8.1.120.0000.00717.52
8.1.110.0060.00317.40
8.1.100.0070.00017.51
8.1.90.0000.00817.39
8.1.80.0000.00717.49
8.1.70.0030.00317.41
8.1.60.0030.00617.64
8.1.50.0050.00317.57
8.1.40.0040.00417.61
8.1.30.0000.00717.63
8.1.20.0040.00417.71
8.1.10.0030.00517.61
8.1.00.0000.00817.59
8.0.300.0070.00019.86
8.0.290.0000.00717.14
8.0.280.0000.00718.47
8.0.270.0000.00717.25
8.0.260.0030.00316.79
8.0.250.0040.00416.90
8.0.240.0070.00017.04
8.0.230.0040.00416.94
8.0.220.0000.00816.96
8.0.210.0000.00716.95
8.0.200.0030.00316.98
8.0.190.0080.00016.98
8.0.180.0050.00316.86
8.0.170.0000.00817.02
8.0.160.0000.00816.93
8.0.150.0050.00216.95
8.0.140.0050.00316.88
8.0.130.0000.00513.40
8.0.120.0070.00316.98
8.0.110.0000.00716.99
8.0.100.0000.00716.87
8.0.90.0040.00416.95
8.0.80.0030.01216.98
8.0.70.0000.00717.01
8.0.60.0050.00216.80
8.0.50.0040.00416.83
8.0.30.0160.00617.18
8.0.20.0080.01117.40
8.0.10.0050.00217.02
8.0.00.0060.01316.99
7.4.330.0010.00715.00
7.4.320.0030.00316.58
7.4.300.0070.00016.66
7.4.290.0000.00716.62
7.4.280.0080.00016.46
7.4.270.0070.00016.50
7.4.260.0040.00413.33
7.4.250.0070.00016.57
7.4.240.0060.00216.57
7.4.230.0000.00716.49
7.4.220.0030.01616.69
7.4.210.0070.00816.68
7.4.200.0070.00016.56
7.4.190.0030.00316.74
7.4.160.0060.01216.38
7.4.150.0140.00717.40
7.4.140.0080.01117.86
7.4.130.0100.00716.65
7.4.120.0090.01116.51
7.4.110.0100.00616.56
7.4.100.0070.01716.58
7.4.90.0120.00616.38
7.4.80.0120.00819.39
7.4.70.0100.00616.45
7.4.60.0040.01216.61
7.4.50.0000.00816.34
7.4.40.0060.01022.77
7.4.30.0120.00916.48
7.4.00.0090.00814.84
7.3.330.0060.00013.44
7.3.320.0030.00313.43
7.3.310.0030.00316.45
7.3.300.0050.00216.33
7.3.290.0110.00816.48
7.3.280.0070.00916.41
7.3.270.0000.01717.40
7.3.260.0110.00716.58
7.3.250.0130.00816.44
7.3.240.0130.00316.36
7.3.230.0050.01316.57
7.3.210.0150.01216.43
7.3.200.0060.01119.39
7.3.190.0120.00616.62
7.3.180.0070.01016.59
7.3.170.0030.01216.70
7.3.160.0050.01016.56
7.3.120.0050.01214.86
7.3.110.0000.01515.11
7.3.100.0060.01214.93
7.3.90.0090.00914.66
7.3.80.0070.01014.86
7.3.70.0030.01014.80
7.3.60.0040.01214.72
7.3.50.0070.01014.72
7.3.40.0100.00314.85
7.3.30.0060.00614.96
7.3.20.0040.01216.63
7.3.10.0100.00616.87
7.3.00.0080.00816.53
7.2.330.0030.01416.86
7.2.320.0150.00316.70
7.2.310.0070.01016.49
7.2.300.0070.01316.54
7.2.290.0080.00816.57
7.2.250.0070.01114.79
7.2.240.0070.01414.94
7.2.230.0030.01315.30
7.2.220.0060.01215.16
7.2.210.0030.01315.38
7.2.200.0030.01314.97
7.2.190.0060.00915.27
7.2.180.0060.00915.17
7.2.170.0030.01215.23
7.2.110.0100.01016.46
7.2.60.0110.00416.89
7.2.50.0000.00716.88
7.1.330.0040.00915.79
7.1.320.0000.01815.73
7.1.310.0000.01615.76
7.1.300.0060.00915.66
7.1.290.0060.00915.91
7.1.280.0070.00715.78
7.1.270.0080.00815.80
7.1.260.0070.00715.84
7.1.200.0000.01015.67
7.1.70.0000.00917.36
7.1.60.0060.01919.32
7.1.50.0070.01516.96
7.1.00.0100.07722.54
7.0.200.0000.00816.61
7.0.140.0100.06721.95
7.0.80.0170.08019.93
7.0.70.0100.07719.96
7.0.60.0200.08019.81
7.0.50.0570.08020.37
7.0.40.0070.04020.07
7.0.30.0030.04320.10
7.0.20.0070.07020.15
7.0.10.0170.04720.09
7.0.00.0100.07020.13
5.6.280.0030.07721.19
5.6.230.0130.06720.67
5.6.220.0070.07320.72
5.6.210.0030.08720.50
5.6.200.0130.08321.01
5.6.190.0000.07021.13
5.6.180.0070.04321.06
5.6.170.0030.05021.00
5.6.160.0130.08021.04
5.6.150.0100.07321.21
5.6.140.0030.04320.96
5.6.130.0070.08021.21
5.6.120.0130.07321.08
5.6.110.0030.05721.08
5.6.100.0100.08721.05
5.6.90.0270.06320.95
5.6.80.0170.07720.45
5.6.70.0170.07020.46
5.6.60.0130.07020.54
5.6.50.0070.08720.38
5.6.40.0230.06720.40
5.6.30.0070.04720.48
5.6.20.0100.06720.44
5.6.10.0200.06720.33
5.6.00.0070.08020.49
5.5.370.0100.07320.39
5.5.360.0100.06020.48
5.5.350.0100.07720.49
5.5.340.0100.08020.97
5.5.330.0000.05020.95
5.5.320.0030.04320.88
5.5.310.0030.04320.93
5.5.300.0030.04320.90
5.5.290.0070.08320.83
5.5.280.0030.05020.93
5.5.270.0070.06020.91
5.5.260.0070.07320.95
5.5.250.0100.08720.68
5.5.240.0070.07320.32
5.5.230.0030.08020.31
5.5.220.0030.04720.04
5.5.210.0030.04020.22
5.5.200.0030.05020.13
5.5.190.0030.04720.32
5.5.180.0100.04320.15
5.5.160.0030.08020.23
5.5.150.0130.04320.21
5.5.140.0200.05320.32
5.5.130.0130.07720.22
5.5.120.0130.05320.22
5.5.110.0100.07320.31
5.5.100.0100.08720.11
5.5.90.0030.08020.20
5.5.80.0200.05720.01
5.5.70.0070.05720.20
5.5.60.0070.07720.09
5.5.50.0070.06719.97
5.5.40.0070.04720.14
5.5.30.0030.08020.15
5.5.20.0130.04020.07
5.5.10.0070.05020.05
5.5.00.0030.05720.08
5.4.450.0100.04319.51
5.4.440.0070.07719.51
5.4.430.0070.04719.43
5.4.420.0070.07319.46
5.4.410.0170.06319.32
5.4.400.0200.07319.13
5.4.390.0130.07319.02
5.4.380.0100.07719.18
5.4.370.0070.06019.20
5.4.360.0100.03719.18
5.4.350.0070.06319.12
5.4.340.0100.04319.03
5.4.320.0070.05019.12
5.4.310.0100.04019.04
5.4.300.0130.06318.90
5.4.290.0030.05718.85
5.4.280.0100.07319.12
5.4.270.0070.08019.05
5.4.260.0030.07718.95
5.4.250.0130.07019.15
5.4.240.0130.07019.12
5.4.230.0170.06318.84
5.4.220.0170.07018.85
5.4.210.0000.08019.12
5.4.200.0100.06719.18
5.4.190.0130.06319.22
5.4.180.0000.04319.17
5.4.170.0100.04319.11
5.4.160.0170.03719.03
5.4.150.0170.08719.12
5.4.140.0000.07316.39
5.4.130.0070.07016.51
5.4.120.0030.05016.55
5.4.110.0170.06316.54
5.4.100.0100.03716.52
5.4.90.0030.08016.56
5.4.80.0030.04316.52
5.4.70.0000.07716.36
5.4.60.0000.05016.53
5.4.50.0000.05016.41
5.4.40.0000.05716.35
5.4.30.0100.05716.50
5.4.20.0070.05016.63
5.4.10.0030.05716.27
5.4.00.0000.05015.75
5.3.290.0070.06314.63
5.3.280.0030.08014.45
5.3.270.0000.08014.52
5.3.260.0070.06714.58
5.3.250.0070.07014.43
5.3.240.0030.07014.59
5.3.230.0100.07014.41
5.3.220.0030.07714.55
5.3.210.0030.05314.43
5.3.200.0000.04714.42
5.3.190.0130.06714.50
5.3.180.0070.05014.58
5.3.170.0030.05014.39
5.3.160.0070.05714.51
5.3.150.0070.06714.51
5.3.140.0130.05014.44
5.3.130.0070.04014.54
5.3.120.0100.07314.54
5.3.110.0000.08714.50
5.3.100.0070.07714.02
5.3.90.0100.06314.02
5.3.80.0070.07313.87
5.3.70.0100.06713.87
5.3.60.0030.05013.99
5.3.50.0000.07013.95
5.3.40.0030.08013.80
5.3.30.0030.06313.77
5.3.20.0070.06713.54
5.3.10.0100.05313.61
5.3.00.0070.07013.50
5.2.170.0070.06711.54
5.2.160.0100.06011.54
5.2.150.0000.04711.54
5.2.140.0100.05011.54
5.2.130.0070.03011.54
5.2.120.0070.06011.54
5.2.110.0030.06711.54
5.2.100.0130.05311.54
5.2.90.0030.03311.54
5.2.80.0070.05711.54
5.2.70.0000.06011.54
5.2.60.0030.05711.54
5.2.50.0100.04011.54
5.2.40.0000.06311.54
5.2.30.0100.05011.54
5.2.20.0100.04011.54
5.2.10.0030.04311.54
5.2.00.0030.04011.54
5.1.60.0070.05011.54
5.1.50.0030.05311.54
5.1.40.0030.05711.54
5.1.30.0100.05011.54
5.1.20.0070.03011.54
5.1.10.0030.06011.54
5.1.00.0030.05311.54
5.0.50.0000.05011.54
5.0.40.0070.04011.54
5.0.30.0000.05011.54
5.0.20.0000.03311.54
5.0.10.0030.02011.54
5.0.00.0030.03711.54
4.4.90.0030.03011.54
4.4.80.0000.02011.54
4.4.70.0030.02311.54
4.4.60.0000.02311.54
4.4.50.0030.01711.54
4.4.40.0030.04011.54
4.4.30.0000.03711.54
4.4.20.0000.03011.54
4.4.10.0100.02711.54
4.4.00.0030.03711.54
4.3.110.0030.02311.54
4.3.100.0030.03311.54
4.3.90.0030.03311.54
4.3.80.0030.04311.54
4.3.70.0070.03011.54
4.3.60.0000.03011.54
4.3.50.0030.02311.54
4.3.40.0030.03711.54
4.3.30.0000.02311.54
4.3.20.0070.02711.54
4.3.10.0000.03311.54
4.3.00.0000.02711.54

preferences:
54.2 ms | 401 KiB | 5 Q