3v4l.org

run code in 300+ PHP versions simultaneously
<?php $root = array_map(function($v) { return 'cat'.$v; }, range(1,10)); //array( 1=>'cat1', 2=>'cat2', 3=>'cat3' ); $child_1 = array_map(function($v) { return 'sub_cat'.$v; },range(1,16)); //array( 1=>'sub_cat1', 2=>'sub_cat2', 3=>'sub_cat3' ); $child_2 = array_map(function($v) { return 'sub_sub_cat'.$v; },range(1.30)); //array( 1=>'sub_sub_cat1', 2=>'sub_sub_cat2', 3=>'sub_sub_cat3' ); function getAllCombinationsArray($source_arrays = array(), $kd = array(), $vd = array()){ $return = array(); foreach(array_shift($source_arrays) as $ck => $cv) { $kdi = $kd; array_push($kdi, $ck); $vdi = $vd; array_push($vdi, $cv); if(!empty($source_arrays)) { $return += getAllCombinationsArray($source_arrays, $kdi, $vdi); } else { $return[implode('_', $kdi)] = implode(' -> ', $vdi); } } return $return; } print_r(getAllCombinationsArray(array($root, $child_1, $child_2)));

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)
8.3.60.0110.00718.56
8.3.50.0200.00721.09
8.3.40.0110.01118.88
8.3.30.0060.00819.08
8.3.20.0040.00420.30
8.3.10.0000.00923.56
8.3.00.0070.00317.63
8.2.180.0120.00616.59
8.2.170.0060.00822.96
8.2.160.0100.00320.52
8.2.150.0070.00724.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00022.03
8.2.110.0110.00021.00
8.2.100.0060.00617.75
8.2.90.0030.00519.03
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0090.00019.76
8.2.30.0050.00318.20
8.2.20.0040.00417.86
8.2.10.0030.00518.08
8.2.00.0000.00817.83
8.1.280.0120.00925.92
8.1.270.0080.00022.32
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.98
8.1.230.0090.00317.42
8.1.220.0000.00717.74
8.1.210.0000.00918.77
8.1.200.0030.00717.38
8.1.190.0050.00317.13
8.1.180.0040.00418.10
8.1.170.0030.00518.49
8.1.160.0040.00421.98
8.1.150.0050.00218.89
8.1.140.0040.00417.41
8.1.130.0040.00417.79
8.1.120.0000.00717.52
8.1.110.0080.00017.39
8.1.100.0040.00417.38
8.1.90.0070.00017.51
8.1.80.0030.00517.51
8.1.70.0000.00717.53
8.1.60.0000.00917.67
8.1.50.0000.00817.54
8.1.40.0050.00317.57
8.1.30.0050.00317.74
8.1.20.0060.00317.70
8.1.10.0070.00017.59
8.1.00.0000.00717.55
8.0.300.0000.00818.77
8.0.290.0070.00016.75
8.0.280.0040.00418.41
8.0.270.0040.00417.30
8.0.260.0000.00817.17
8.0.250.0030.00317.11
8.0.240.0080.00017.05
8.0.230.0030.00316.93
8.0.220.0000.00717.01
8.0.210.0030.00316.97
8.0.200.0030.00317.07
8.0.190.0000.00717.00
8.0.180.0000.00816.91
8.0.170.0000.00917.02
8.0.160.0000.00716.98
8.0.150.0040.00416.91
8.0.140.0050.00316.91
8.0.130.0030.00313.43
8.0.120.0080.00017.01
8.0.110.0050.00216.94
8.0.100.0040.00416.82
8.0.90.0000.00817.05
8.0.80.0120.00917.05
8.0.70.0000.00816.92
8.0.60.0040.00317.02
8.0.50.0000.00717.00
8.0.30.0140.00417.21
8.0.20.0110.00817.40
8.0.10.0040.00417.11
8.0.00.0100.00716.83
7.4.330.0000.00515.00
7.4.320.0060.00016.45
7.4.300.0030.00616.56
7.4.290.0050.00316.57
7.4.280.0000.00716.59
7.4.270.0040.00416.57
7.4.260.0050.00216.67
7.4.250.0030.00516.63
7.4.240.0000.00816.58
7.4.230.0000.00716.53
7.4.220.0030.01516.54
7.4.210.0080.00716.55
7.4.200.0080.00016.65
7.4.160.0240.01616.50
7.4.150.0190.00317.40
7.4.140.0140.00717.86
7.4.130.0030.01616.46
7.4.120.0100.01016.65
7.4.110.0070.01116.67
7.4.100.0100.01316.75
7.4.90.0100.01016.51
7.4.80.0120.00619.39
7.4.70.0110.00916.48
7.4.60.0080.01116.54
7.4.50.0000.00816.47
7.4.40.0130.00616.64
7.4.30.0120.00616.59
7.4.00.0000.01615.05
7.3.330.0030.00313.52
7.3.320.0000.00713.43
7.3.310.0030.00316.35
7.3.300.0040.00416.38
7.3.290.0060.01016.44
7.3.280.0070.00916.45
7.3.270.0050.01417.40
7.3.260.0140.00616.41
7.3.240.0070.01716.62
7.3.230.0000.01916.45
7.3.210.0120.00616.50
7.3.200.0090.01219.39
7.3.190.0130.00616.51
7.3.180.0060.01616.27
7.3.170.0110.01116.38
7.3.160.0110.00616.59
7.3.10.0030.00916.41
7.3.00.0070.00316.49
7.2.330.0100.01016.75
7.2.320.0170.00716.80
7.2.310.0130.00416.76
7.2.300.0180.00416.83
7.2.290.0080.01116.63
7.2.130.0120.00316.92
7.2.120.0070.00716.99
7.2.110.0030.01017.02
7.2.100.0030.00616.70
7.2.90.0070.01017.01
7.2.80.0060.00916.87
7.2.70.0030.00717.00
7.2.60.0070.00516.87
7.2.50.0080.00417.04
7.2.40.0040.00716.85
7.2.30.0030.00716.89
7.2.20.0040.00816.92
7.2.10.0000.00916.79
7.2.00.0070.00716.74
7.1.250.0060.00315.81
7.1.200.0120.00315.85
7.1.70.0050.00317.21
7.1.60.0110.01119.32
7.1.50.0100.01016.81
7.1.00.0030.07722.28
7.0.200.0030.01016.80
7.0.140.0030.07721.98
7.0.60.0030.08319.96
7.0.50.0270.03317.88
7.0.40.0170.05319.96
7.0.30.0270.04020.21
7.0.20.0200.05020.30
7.0.10.0170.04320.07
7.0.00.0100.04720.16
5.6.280.0030.07721.10
5.6.210.0030.08320.67
5.6.200.0030.04318.16
5.6.190.0000.04720.63
5.6.180.0130.04320.47
5.6.170.0300.07720.62
5.6.160.0100.04720.57
5.6.150.0070.04718.29
5.6.140.0070.06018.14
5.6.130.0030.06718.18
5.6.120.0100.07320.99
5.6.110.0070.04020.98
5.6.100.0100.08021.20
5.6.90.0070.03721.13
5.6.80.0170.07320.52
5.6.70.4200.03020.41
5.5.350.0030.08320.50
5.5.340.0070.07717.95
5.5.330.0130.08020.13
5.5.320.0030.08720.36
5.5.310.0330.06320.19
5.5.300.0100.04018.02
5.5.290.0070.05718.05
5.5.280.0100.04020.66
5.5.270.0070.05320.89
5.5.260.0030.05320.80
5.5.250.0030.06020.60
5.5.240.0100.06720.29
5.4.450.0770.05019.21
5.4.440.0600.06019.56
5.4.430.0870.04719.16
5.4.420.0670.00019.53
5.4.410.0670.00019.45
5.4.400.0670.00019.22
5.4.390.0730.00018.98
5.4.380.0630.00019.09
5.4.370.0630.00019.07
5.4.360.0600.00019.16
5.4.350.0630.00019.01
5.4.340.0060.03812.02
5.4.320.0080.03612.52
5.4.310.0060.04012.52
5.4.300.0050.03912.52
5.4.290.0050.03912.51
5.4.280.0050.03812.41
5.4.270.0080.03812.41
5.4.260.0100.04512.41
5.4.250.0080.03912.41
5.4.240.0050.03912.41
5.4.230.0090.04312.40
5.4.220.0080.03812.40
5.4.210.0040.03812.40
5.4.200.0100.03412.40
5.4.190.0090.03412.39
5.4.180.0050.03812.40
5.4.170.0110.03412.40
5.4.160.0080.04012.40
5.4.150.0080.03712.39
5.4.140.0080.04312.07
5.4.130.0080.03812.07
5.4.120.0080.03712.02
5.4.110.0060.03712.02
5.4.100.0070.03512.02
5.4.90.0110.04012.02
5.4.80.0040.04512.02
5.4.70.0080.03512.02
5.4.60.0060.03712.02
5.4.50.0080.03712.02
5.4.40.0070.03912.00
5.4.30.0110.03912.00
5.4.20.0080.04112.00
5.4.10.0090.03412.00
5.4.00.0070.04111.49
5.3.290.0110.04712.80
5.3.280.0090.04212.71
5.3.270.0070.04312.72
5.3.260.0060.05312.72
5.3.250.0070.04012.72
5.3.240.0090.03912.72
5.3.230.0090.04012.70
5.3.220.0090.03612.68
5.3.210.0040.04512.68
5.3.200.0070.03712.68
5.3.190.0100.03712.68
5.3.180.0060.03812.67
5.3.170.0130.04512.67
5.3.160.0080.04612.68
5.3.150.0050.05012.68
5.3.140.0070.03712.66
5.3.130.0080.04712.66
5.3.120.0090.05412.66
5.3.110.0080.05512.66
5.3.100.0090.04912.13
5.3.90.0140.04712.11
5.3.80.0110.04712.10
5.3.70.0080.03712.11
5.3.60.0060.04212.09
5.3.50.0060.03712.03
5.3.40.0100.03412.04
5.3.30.0060.03912.00
5.3.20.0030.04611.78
5.3.10.0090.04511.74
5.3.00.0080.03911.73
5.2.170.0080.0299.18
5.2.160.0050.0339.18
5.2.150.0090.0369.18
5.2.140.0070.0339.18
5.2.130.0060.0289.14
5.2.120.0040.0299.14
5.2.110.0060.0279.15
5.2.100.0050.0279.14
5.2.90.0050.0289.14
5.2.80.0080.0319.14
5.2.70.0030.0359.14
5.2.60.0070.0349.09
5.2.50.0060.0409.06
5.2.40.0070.0379.04
5.2.30.0060.0369.02
5.2.20.0040.0339.00
5.2.10.0070.0398.92
5.2.00.0060.0358.79
5.1.60.0090.0298.07
5.1.50.0090.0408.06
5.1.40.0060.0308.05
5.1.30.0050.0298.40
5.1.20.0040.0338.42
5.1.10.0030.0308.14
5.1.00.0070.0328.14
5.0.50.0020.0276.62
5.0.40.0030.0206.48
5.0.30.0030.0326.29
5.0.20.0040.0216.26
5.0.10.0020.0216.24
5.0.00.0030.0316.23
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0020.0174.75
4.4.60.0020.0164.75
4.4.50.0030.0184.77
4.4.40.0040.0264.71
4.4.30.0020.0174.75
4.4.20.0030.0164.85
4.4.10.0060.0144.84
4.4.00.0030.0274.76
4.3.110.0010.0184.67
4.3.100.0020.0214.67
4.3.90.0010.0164.63
4.3.80.0060.0234.59
4.3.70.0020.0154.63
4.3.60.0030.0154.63
4.3.50.0020.0164.63
4.3.40.0010.0304.53
4.3.30.0030.0163.28
4.3.20.0040.0153.27
4.3.10.0010.0173.22
4.3.00.0000.0277.18

preferences:
35.67 ms | 401 KiB | 5 Q