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)
8.3.60.0080.01218.31
8.3.50.0220.00821.56
8.3.40.0100.00719.73
8.3.30.0160.00020.02
8.3.20.0040.00421.34
8.3.10.0000.00823.48
8.3.00.0040.00719.51
8.2.180.0100.01017.63
8.2.170.0120.00422.96
8.2.160.0130.00321.50
8.2.150.0060.00324.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0000.00822.29
8.2.110.0060.00622.13
8.2.100.0070.00718.75
8.2.90.0000.01020.52
8.2.80.0030.00618.63
8.2.70.0070.00418.63
8.2.60.0060.00319.05
8.2.50.0030.00618.63
8.2.40.0070.00319.89
8.2.30.0030.00619.22
8.2.20.0050.00518.92
8.2.10.0070.00319.30
8.2.00.0050.00518.91
8.1.280.0070.01025.92
8.1.270.0090.00023.06
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00623.23
8.1.230.0070.00718.48
8.1.220.0060.00318.68
8.1.210.0050.00518.77
8.1.200.0030.01018.47
8.1.190.0000.01018.60
8.1.180.0000.00918.65
8.1.170.0060.00319.60
8.1.160.0000.00823.08
8.1.150.0030.00620.11
8.1.140.0060.00318.63
8.1.130.0040.00419.01
8.1.120.0060.00318.54
8.1.110.0030.00618.62
8.1.100.0060.00318.64
8.1.90.0030.00618.58
8.1.80.0000.00818.58
8.1.70.0060.00318.55
8.1.60.0070.00318.80
8.1.50.0000.01018.69
8.1.40.0030.00618.56
8.1.30.0030.00618.75
8.1.20.0000.01018.64
8.1.10.0000.01018.66
8.1.00.0060.00318.64
8.0.300.0040.00418.77
8.0.290.0000.00917.75
8.0.280.0030.00619.52
8.0.270.0040.00418.23
8.0.260.0050.00318.21
8.0.250.0030.00618.02
8.0.240.0030.00617.96
8.0.230.0000.00818.06
8.0.220.0040.00417.95
8.0.210.0030.00617.98
8.0.200.0000.01018.10
8.0.190.0000.01018.04
8.0.180.0070.00318.03
8.0.170.0030.00717.87
8.0.160.0000.00917.97
8.0.150.0100.00017.92
8.0.140.0030.00617.91
8.0.130.0030.00614.47
8.0.120.0000.01017.96
8.0.110.0050.00517.98
8.0.100.0000.00917.91
8.0.90.0030.00717.89
8.0.80.0100.01717.94
8.0.70.0000.01017.98
8.0.60.0060.00317.96
8.0.50.0030.00617.77
8.0.30.0110.01017.90
8.0.20.0110.01018.04
8.0.10.0090.00017.97
8.0.00.0080.01217.91
7.4.330.0040.00415.00
7.4.320.0060.00317.46
7.4.300.0000.00917.47
7.4.290.0030.00717.39
7.4.280.0030.00617.58
7.4.270.0090.00017.39
7.4.260.0040.00917.54
7.4.250.0060.00317.44
7.4.240.0020.00817.50
7.4.230.0000.00917.44
7.4.220.0120.01217.56
7.4.210.0070.01017.42
7.4.200.0070.00317.39
7.4.160.0120.01517.51
7.4.150.0070.01417.57
7.4.140.0120.01117.86
7.4.130.0070.01317.60
7.4.120.0110.01017.48
7.4.110.0140.00617.36
7.4.100.0070.01417.52
7.4.90.0040.01817.36
7.4.80.0120.00919.39
7.4.70.0120.01017.54
7.4.60.0100.01017.50
7.4.50.0080.00417.46
7.4.40.0120.00917.32
7.4.30.0100.01017.61
7.3.330.0040.00414.46
7.3.320.0000.00814.29
7.3.310.0030.00617.32
7.3.300.0090.00017.29
7.3.290.0100.00617.36
7.3.280.0090.01117.39
7.3.270.0060.01517.62
7.3.260.0120.00917.32
7.3.250.0110.00817.45
7.3.240.0040.01817.36
7.3.230.0170.00717.54
7.3.210.0100.01017.43
7.3.200.0070.02119.39
7.3.190.0140.01417.62
7.3.180.0150.00617.38
7.3.170.0060.01317.51
7.3.160.0110.00817.53
7.2.330.0090.01217.42
7.2.320.0160.01317.68
7.2.310.0090.01117.65
7.2.300.0110.01117.66
7.2.290.0030.01717.70
7.2.100.0780.01415.54
7.2.90.1220.01015.67
7.2.80.1760.01215.72
7.2.70.1280.01316.00
7.2.60.1750.01316.09
7.2.50.0070.01715.93
7.2.40.0150.00615.96
7.2.30.1460.00616.09
7.2.20.1510.00716.06
7.2.10.0130.01315.98
7.2.00.1610.00315.76
7.1.220.0570.01114.87
7.1.210.1070.01614.88
7.1.200.1450.01214.82
7.1.190.1350.00514.86
7.1.180.1780.01214.73
7.1.170.0050.01914.95
7.1.160.1530.00714.89
7.1.150.1610.01214.91
7.1.140.1940.01015.05
7.1.130.0100.01015.03
7.1.120.1940.01615.05
7.1.110.1550.01014.82
7.1.100.0400.00914.77
7.1.90.0070.01115.02
7.1.80.0090.00814.80
7.1.70.1310.00615.05
7.1.60.0650.01533.04
7.1.50.1100.02333.10
7.1.40.0180.03133.30
7.1.30.0420.01033.16
7.1.20.1430.00333.11
7.1.10.0140.01014.92
7.1.00.0190.00414.73
7.0.310.0890.01614.36
7.0.300.0230.01614.24
7.0.290.0540.01714.07
7.0.280.2030.01014.18
7.0.270.1820.01314.55
7.0.260.2420.02614.39
7.0.250.0310.01814.41
7.0.240.0350.01514.37
7.0.230.2220.00714.45
7.0.220.0760.01514.37
7.0.210.1360.01814.09
7.0.200.0190.01314.04
7.0.190.0380.01414.45
7.0.180.1070.01014.40
7.0.170.2550.01814.40
7.0.160.0060.02314.27
7.0.150.0260.00914.54
7.0.140.0350.01814.33
7.0.130.0290.01914.43
7.0.120.0720.02114.59
7.0.110.0390.02514.30
7.0.100.0360.02014.46
7.0.90.0720.02014.46
7.0.80.0590.02114.43
7.0.70.0710.00714.22
7.0.60.0400.01114.39
7.0.50.0310.01714.70
7.0.40.1170.02514.59
7.0.30.0300.01914.56
7.0.20.0550.00614.76
7.0.10.0510.01514.56
7.0.00.2450.01814.60
5.6.380.0480.01415.86
5.6.370.0240.03615.63
5.6.360.0350.03315.48
5.6.350.0280.02115.76
5.6.340.0310.01915.70
5.6.330.0320.03415.88
5.6.320.0370.01315.72
5.6.310.0170.02315.83
5.6.300.0230.02715.96
5.6.290.0460.01015.60
5.6.280.0290.01415.43
5.6.270.0460.02815.89
5.6.260.0370.03015.47
5.6.250.0330.01715.57
5.6.240.0110.02615.75
5.6.230.0330.02615.58
5.6.220.0170.02815.52
5.6.210.0260.02615.67
5.6.200.0250.03315.77
5.6.190.0400.02515.52
5.6.180.0280.02515.42
5.6.170.0170.02415.49
5.6.160.0350.02115.90
5.6.150.0310.02815.66
5.6.140.0270.03115.43
5.6.130.0250.03415.67
5.6.120.0240.03115.80
5.6.110.0280.02815.70
5.6.100.0460.03615.66
5.6.90.0350.01415.73
5.6.80.0340.02615.65
5.6.70.0310.01715.72
5.6.60.0210.03515.58
5.6.50.0370.01815.29
5.6.40.0380.02115.32
5.6.30.0320.03215.53
5.6.20.0450.02115.17
5.6.10.0390.02315.63
5.6.00.0350.02715.52
5.5.380.0320.01912.27
5.5.370.0560.01612.45
5.5.360.0340.01712.49
5.5.350.0390.02112.41
5.5.340.0320.02412.41
5.5.330.0330.02312.77
5.5.320.0320.02212.64
5.5.310.0330.03312.36
5.5.300.0240.02412.32
5.5.290.0290.02412.39
5.5.280.0410.02412.60
5.5.270.0510.01412.44
5.5.260.0330.01512.34
5.5.250.0310.02112.54
5.5.240.0350.01712.41
5.5.230.0300.01712.27
5.5.220.0470.02012.27
5.5.210.0310.01712.30
5.5.200.0340.02912.45
5.5.190.0290.02512.37
5.5.180.0260.01912.27
5.5.170.0440.01815.08
5.5.160.0420.02312.27
5.5.150.0460.01812.55
5.4.450.0290.01712.27
5.4.440.0360.01612.52
5.4.430.0320.02812.45
5.4.420.0260.02012.28
5.4.410.0400.02112.63
5.4.400.0300.01312.27
5.4.390.0330.02212.27
5.4.380.0390.01412.37
5.4.370.0380.03112.58
5.4.360.0530.02512.32
5.4.350.0240.01712.33
5.4.340.0420.02612.40
5.4.330.0220.04012.34
5.4.320.0380.01912.38
5.4.310.0270.01712.36

preferences:
49.52 ms | 401 KiB | 5 Q