3v4l.org

run code in 300+ PHP versions simultaneously
<?php $root = array( 1=>'cat1', 2=>'cat2', 3=>'cat3' ); $child_1 = array( 1=>'sub_cat1', 2=>'sub_cat2', 3=>'sub_cat3' ); $child_2 = array( 1=>'sub_sub_cat1', 2=>'sub_sub_cat2', 3=>'sub_sub_cat3' ); function getAllCombinationsArray($source_arrays = array(), $kd = array(), $vd = array()){ $return = array(); foreach(array_shift($source_arrays) as $ck => $cv) { $kdi = $kd + (array)$ck; $vdi = $vd + (array)$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)
8.3.60.0130.00318.30
8.3.50.0120.00921.91
8.3.40.0070.00718.97
8.3.30.0090.00619.18
8.3.20.0000.00819.91
8.3.10.0050.00221.72
8.3.00.0100.00017.63
8.2.180.0120.00316.75
8.2.170.0090.00622.96
8.2.160.0150.00618.91
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00422.05
8.2.110.0000.00922.28
8.2.100.0070.00717.75
8.2.90.0040.00419.34
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0030.00618.33
8.2.30.0000.00718.25
8.2.20.0000.00717.88
8.2.10.0040.00418.13
8.2.00.0000.00817.83
8.1.280.0040.01125.92
8.1.270.0030.00622.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.88
8.1.230.0030.00919.13
8.1.220.0050.00317.75
8.1.210.0040.00418.77
8.1.200.0000.01017.23
8.1.190.0040.00417.38
8.1.180.0090.00018.10
8.1.170.0050.00318.58
8.1.160.0070.00022.03
8.1.150.0060.00318.91
8.1.140.0000.00717.50
8.1.130.0080.00017.82
8.1.120.0000.00817.48
8.1.110.0040.00417.44
8.1.100.0000.00717.36
8.1.90.0050.00217.38
8.1.80.0040.00417.46
8.1.70.0000.00717.41
8.1.60.0000.00817.43
8.1.50.0040.00417.54
8.1.40.0070.00017.38
8.1.30.0060.00317.55
8.1.20.0040.00417.68
8.1.10.0040.00417.58
8.1.00.0000.00717.45
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0040.00418.51
8.0.270.0000.00717.27
8.0.260.0030.00317.28
8.0.250.0030.00316.94
8.0.240.0030.00317.06
8.0.230.0000.00716.89
8.0.220.0050.00316.98
8.0.210.0030.00316.88
8.0.200.0040.00416.94
8.0.190.0050.00517.06
8.0.180.0070.00017.03
8.0.170.0060.00316.90
8.0.160.0000.00716.86
8.0.150.0000.00716.78
8.0.140.0070.00016.83
8.0.130.0030.00313.46
8.0.120.0040.00416.98
8.0.110.0030.00516.88
8.0.100.0030.00516.93
8.0.90.0000.00816.76
8.0.80.0030.01416.96
8.0.70.0040.00416.93
8.0.60.0040.00416.88
8.0.50.0000.00716.93
8.0.30.0120.00717.05
8.0.20.0110.00817.40
8.0.10.0040.00417.04
8.0.00.0090.00916.81
7.4.330.0000.00515.00
7.4.320.0060.00016.57
7.4.300.0040.00416.66
7.4.290.0040.00416.63
7.4.280.0030.00616.59
7.4.270.0000.00716.61
7.4.260.0080.00016.63
7.4.250.0040.00416.46
7.4.240.0020.00516.52
7.4.230.0030.00316.41
7.4.220.0110.00716.62
7.4.210.0040.01316.62
7.4.200.0040.00316.35
7.4.160.0080.00816.52
7.4.150.0100.00717.40
7.4.140.0140.00617.86
7.4.130.0160.00416.64
7.4.120.0110.00716.59
7.4.110.0110.00616.55
7.4.100.0120.01216.66
7.4.90.0160.00316.39
7.4.80.0100.00719.39
7.4.70.0040.01316.45
7.4.60.0130.00316.57
7.4.50.0040.00416.27
7.4.40.0190.00016.69
7.4.30.0180.00416.63
7.4.00.0070.00714.90
7.3.330.0000.00513.32
7.3.320.0000.00613.23
7.3.310.0040.00416.41
7.3.300.0030.00316.28
7.3.290.0090.01216.38
7.3.280.0110.00416.38
7.3.270.0080.00817.40
7.3.260.0080.00916.38
7.3.240.0030.01416.37
7.3.230.0100.00716.39
7.3.210.0110.00816.29
7.3.200.0160.00319.39
7.3.190.0040.01516.43
7.3.180.0190.00316.54
7.3.170.0060.01216.58
7.3.160.0100.01316.54
7.3.120.0100.00715.92
7.3.110.0070.01015.97
7.3.100.0030.01016.02
7.3.90.0100.00615.83
7.3.80.0070.00815.92
7.3.70.0050.00815.93
7.3.60.0020.01215.82
7.3.50.0070.00815.96
7.3.40.0020.01315.72
7.3.30.0040.00915.77
7.3.20.0060.00816.86
7.3.10.0040.00916.82
7.3.00.0080.00616.79
7.2.330.0130.00316.73
7.2.320.0140.00716.39
7.2.310.0060.01216.52
7.2.300.0120.00616.80
7.2.290.0030.01416.61
7.2.240.0060.01015.90
7.2.230.0080.00816.00
7.2.220.0070.00715.96
7.2.210.0050.00715.75
7.2.200.0050.00816.03
7.2.190.0090.00516.01
7.2.180.0020.01415.93
7.2.170.0040.00915.99
7.2.160.0080.00515.97
7.2.150.0040.00916.96
7.2.140.0110.00316.90
7.2.130.0030.01117.00
7.2.120.0020.01116.86
7.2.110.0060.00616.93
7.2.100.0030.01016.87
7.2.90.0080.00716.94
7.2.80.0040.00816.86
7.2.70.0060.00616.99
7.2.60.0040.00916.89
7.2.50.0110.00316.86
7.2.40.0080.00617.00
7.2.30.0080.00517.02
7.2.20.0080.00316.84
7.2.10.0050.00916.90
7.2.00.0060.00817.43
7.1.330.0070.00816.46
7.1.320.0110.00316.31
7.1.310.0070.00816.34
7.1.300.0080.00916.33
7.1.290.0080.00616.45
7.1.280.0040.00716.45
7.1.270.0000.01316.28
7.1.260.0080.00516.38
7.1.250.0020.01216.14
7.1.100.0000.00918.13
7.1.70.0070.00016.88
7.1.60.0100.01419.32
7.1.50.0060.01616.78
7.1.00.0030.07722.43
7.0.200.0030.00616.85
7.0.140.0070.07022.15
7.0.70.4330.04319.86
7.0.60.0070.03719.96
7.0.50.0130.07317.89
7.0.40.0030.07020.14
7.0.30.0070.05020.23
7.0.20.0170.09020.19
7.0.10.0330.07720.19
7.0.00.0000.08320.25
5.6.280.0000.07721.10
5.6.210.0170.07020.56
5.6.200.0000.04718.22
5.6.190.0130.08020.49
5.6.180.0200.06320.58
5.6.170.0230.08320.58
5.6.160.0100.06720.47
5.6.150.0030.06018.17
5.6.140.0100.08018.24
5.6.130.0030.06018.18
5.6.120.0170.07720.96
5.6.110.0070.04021.02
5.6.100.0170.07320.98
5.6.90.0070.04321.00
5.6.80.0100.06020.54
5.6.70.0270.07720.50
5.5.350.0100.08320.36
5.5.340.0100.06318.05
5.5.330.0000.04320.56
5.5.320.0030.04320.40
5.5.310.0400.07320.41
5.5.300.0100.04717.94
5.5.290.0070.08017.99
5.5.280.0100.06720.88
5.5.270.0100.05020.77
5.5.260.0070.05320.96
5.5.250.0100.05020.78
5.5.240.0070.03720.04
5.4.450.0100.06719.71
5.4.440.0670.07019.63
5.4.430.0770.06719.48
5.4.420.0670.00019.39
5.4.410.0630.00019.11
5.4.400.0870.00019.23
5.4.390.0630.00019.21
5.4.380.0630.00019.26
5.4.370.0600.00019.11
5.4.360.0600.00019.16
5.4.350.0630.00019.06
5.4.340.0070.03312.02
5.4.320.0060.03712.51
5.4.310.0100.03612.50
5.4.300.0040.04012.51
5.4.290.0080.03812.50
5.4.280.0040.03812.40
5.4.270.0060.03712.40
5.4.260.0050.03912.40
5.4.250.0050.03912.40
5.4.240.0100.03612.40
5.4.230.0050.04212.39
5.4.220.0090.03712.39
5.4.210.0080.03812.39
5.4.200.0030.04212.39
5.4.190.0050.03712.39
5.4.180.0070.03512.39
5.4.170.0090.03612.39
5.4.160.0050.04212.39
5.4.150.0080.03512.39
5.4.140.0080.04212.07
5.4.130.0110.04112.06
5.4.120.0080.03712.02
5.4.110.0110.04412.01
5.4.100.0050.03712.02
5.4.90.0110.03412.02
5.4.80.0100.03812.02
5.4.70.0060.04112.01
5.4.60.0060.03612.01
5.4.50.0090.03312.01
5.4.40.0060.03512.00
5.4.30.0070.03512.00
5.4.20.0050.03711.99
5.4.10.0080.03911.99
5.4.00.0040.04611.48
5.3.290.0140.03312.80
5.3.280.0050.04012.71
5.3.270.0100.04812.72
5.3.260.0050.05012.72
5.3.250.0130.04812.72
5.3.240.0080.04712.72
5.3.230.0100.04512.71
5.3.220.0090.03912.68
5.3.210.0060.04012.68
5.3.200.0100.03812.68
5.3.190.0080.04012.68
5.3.180.0100.03412.68
5.3.170.0070.03712.66
5.3.160.0060.03812.67
5.3.150.0050.04012.67
5.3.140.0040.05112.66
5.3.130.0050.04212.66
5.3.120.0070.04012.66
5.3.110.0060.04112.66
5.3.100.0120.03612.12
5.3.90.0070.03712.10
5.3.80.0040.03912.09
5.3.70.0070.04312.09
5.3.60.0090.04812.08
5.3.50.0080.04912.03
5.3.40.0060.04812.03
5.3.30.0060.04611.98
5.3.20.0040.03711.77
5.3.10.0100.04411.73
5.3.00.0080.04711.71
5.2.170.0060.0429.22
5.2.160.0040.0439.22
5.2.150.0080.0419.23
5.2.140.0050.0449.22
5.2.130.0070.0419.18
5.2.120.0100.0379.18
5.2.110.0070.0389.19
5.2.100.0050.0399.18
5.2.90.0070.0319.19
5.2.80.0040.0349.18
5.2.70.0040.0329.18
5.2.60.0060.0419.13
5.2.50.0050.0419.10
5.2.40.0060.0369.07
5.2.30.0100.0389.05
5.2.20.0080.0339.04
5.2.10.0090.0368.95
5.2.00.0050.0438.82
5.1.60.0090.0308.09
5.1.50.0060.0348.09
5.1.40.0050.0248.08
5.1.30.0100.0218.43
5.1.20.0050.0278.45
5.1.10.0080.0248.17
5.1.00.0040.0268.17
5.0.50.0050.0206.65
5.0.40.0070.0206.51
5.0.30.0040.0386.33
5.0.20.0030.0346.29
5.0.10.0080.0336.27
5.0.00.0090.0396.27
4.4.90.0060.0294.78
4.4.80.0040.0244.75
4.4.70.0050.0254.76
4.4.60.0060.0184.75
4.4.50.0050.0194.77
4.4.40.0020.0334.71
4.4.30.0070.0184.75
4.4.20.0140.0274.85
4.4.10.0110.0214.85
4.4.00.0100.0344.76
4.3.110.0050.0274.67
4.3.100.0170.0314.66
4.3.90.0100.0204.64
4.3.80.0080.0374.58
4.3.70.0070.0194.63
4.3.60.0060.0204.63
4.3.50.0050.0234.63
4.3.40.0080.0304.54
4.3.30.0090.0213.32
4.3.20.0040.0223.30
4.3.10.0030.0233.25
4.3.00.0100.0207.18

preferences:
38.57 ms | 401 KiB | 5 Q