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 = '', $vd = ''){ $return = array(); foreach(array_shift($source_arrays) as $ck => $cv) { if(!empty($source_arrays)) { $return += getAllCombinationsArray($source_arrays, $kd.$ck.'_', $vd.$cv.' -> '); } else { $return[$kd.$ck] = $vd.$cv; } } 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)
8.3.60.0150.00618.53
8.3.50.0150.00721.95
8.3.40.0090.00619.92
8.3.30.0000.01520.25
8.3.20.0050.00321.33
8.3.10.0050.00323.54
8.3.00.0070.00319.51
8.2.180.0070.01017.24
8.2.170.0120.00322.96
8.2.160.0080.00821.43
8.2.150.0000.01624.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00322.02
8.2.110.0070.00320.99
8.2.100.0080.00418.63
8.2.90.0040.00420.35
8.2.80.0030.00618.63
8.2.70.0000.01018.63
8.2.60.0060.00319.03
8.2.50.0090.00018.75
8.2.40.0030.00619.71
8.2.30.0040.00419.11
8.2.20.0060.00318.92
8.2.10.0040.00419.25
8.2.00.0040.00418.72
8.1.280.0090.00625.92
8.1.270.0040.00423.84
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0090.00023.92
8.1.230.0060.00618.48
8.1.220.0000.00918.76
8.1.210.0030.00618.77
8.1.200.0070.00418.36
8.1.190.0000.00918.22
8.1.180.0030.00618.68
8.1.170.0030.00619.60
8.1.160.0030.00523.18
8.1.150.0030.00519.95
8.1.140.0050.00318.55
8.1.130.0040.00418.98
8.1.120.0040.00418.50
8.1.110.0080.00018.48
8.1.100.0080.00018.50
8.1.90.0040.00418.46
8.1.80.0000.00718.45
8.1.70.0000.00818.54
8.1.60.0090.00018.76
8.1.50.0030.00618.54
8.1.40.0000.00818.57
8.1.30.0060.00318.70
8.1.20.0000.00918.71
8.1.10.0040.00418.57
8.1.00.0030.00618.63
8.0.300.0080.00018.77
8.0.290.0000.00817.63
8.0.280.0030.00519.38
8.0.270.0030.00618.24
8.0.260.0000.00718.18
8.0.250.0040.00417.92
8.0.240.0080.00017.89
8.0.230.0000.00818.01
8.0.220.0000.00717.86
8.0.210.0030.00617.96
8.0.200.0030.00617.89
8.0.190.0050.00518.00
8.0.180.0060.00317.96
8.0.170.0060.00317.96
8.0.160.0030.00617.86
8.0.150.0030.00517.83
8.0.140.0000.00817.78
8.0.130.0000.00714.46
8.0.120.0000.00917.81
8.0.110.0000.00917.76
8.0.100.0060.00317.94
8.0.90.0060.00317.87
8.0.80.0030.01317.79
8.0.70.0030.00617.90
8.0.60.0030.00617.93
8.0.50.0000.00817.68
8.0.30.0080.01517.94
8.0.20.0120.01218.33
8.0.10.0030.00617.85
8.0.00.0130.00917.84
7.4.330.0000.00815.00
7.4.320.0040.00417.59
7.4.300.0000.00717.52
7.4.290.0080.00017.42
7.4.280.0000.00817.45
7.4.270.0040.00417.45
7.4.260.0060.00317.50
7.4.250.0030.00617.49
7.4.240.0000.00817.43
7.4.230.0040.00417.52
7.4.220.0060.02217.39
7.4.210.0070.01317.45
7.4.200.0030.00617.35
7.4.160.0040.01417.40
7.4.150.0150.01217.54
7.4.140.0130.01117.86
7.4.130.0090.01017.35
7.4.120.0120.01117.52
7.4.110.0070.01117.59
7.4.100.0100.01017.34
7.4.90.0170.01017.48
7.4.80.0060.01219.39
7.4.70.0120.00617.38
7.4.60.0140.00717.48
7.4.50.0030.00817.39
7.4.40.0120.00617.41
7.4.30.0090.00917.34
7.3.330.0030.00314.22
7.3.320.0000.00614.48
7.3.310.0050.00317.43
7.3.300.0030.00617.20
7.3.290.0100.00717.27
7.3.280.0070.01017.27
7.3.270.0070.01217.46
7.3.260.0120.00617.32
7.3.250.0070.01217.41
7.3.240.0100.01117.43
7.3.230.0090.00917.52
7.3.210.0110.00617.42
7.3.200.0200.00719.39
7.3.190.0100.01017.44
7.3.180.0070.01117.30
7.3.170.0140.01017.52
7.3.160.0130.00617.53
7.2.330.0110.00817.63
7.2.320.0090.01817.37
7.2.310.0070.01417.69
7.2.300.0060.01517.43
7.2.290.0080.01117.66
7.2.100.1630.00615.35
7.2.90.0910.01215.52
7.2.80.1460.00915.52
7.2.70.1640.00315.46
7.2.60.1740.00915.71
7.2.50.1510.00615.68
7.2.40.1450.00615.85
7.2.30.1500.00015.63
7.2.20.0100.01715.82
7.2.10.0250.00915.87
7.2.00.1990.00615.73
7.1.220.0450.00914.81
7.1.210.1570.01014.57
7.1.200.1250.01314.71
7.1.190.0910.00814.91
7.1.180.1550.00614.65
7.1.170.1300.00914.82
7.1.160.0920.00714.57
7.1.150.1820.00314.59
7.1.140.0750.00614.76
7.1.130.2110.00814.61
7.1.120.1670.00514.68
7.1.110.1820.00314.82
7.1.100.1260.00814.84
7.1.90.1550.00314.74
7.1.80.2200.00614.64
7.1.70.1010.01014.65
7.1.60.0730.00632.73
7.1.50.1450.01032.89
7.1.40.0450.00733.02
7.1.30.0330.00732.79
7.1.20.0230.01632.49
7.1.10.0720.01814.67
7.1.00.1640.00314.57
7.0.310.1230.01613.86
7.0.300.0380.01413.92
7.0.290.1710.01414.21
7.0.280.2090.01614.11
7.0.270.2610.00914.27
7.0.260.2240.01514.03
7.0.250.1350.01714.06
7.0.240.0330.01014.21
7.0.230.1900.00014.14
7.0.220.1530.01313.96
7.0.210.1410.00714.18
7.0.200.0410.01514.17
7.0.190.1430.00914.01
7.0.180.0990.02214.12
7.0.170.0550.00713.86
7.0.160.1500.00314.26
7.0.150.0250.00714.23
7.0.140.2320.00714.14
7.0.130.0320.02014.38
7.0.120.0480.01614.26
7.0.110.0290.01714.06
7.0.100.1950.01314.09
7.0.90.0520.00913.88
7.0.80.0380.01213.90
7.0.70.0310.01413.74
7.0.60.0830.00313.91
7.0.50.0770.01814.18
7.0.40.0700.00914.34
7.0.30.0500.00514.12
7.0.20.0310.02114.31
7.0.10.0400.01814.49
7.0.00.0980.00614.34
5.6.380.0370.01015.30
5.6.370.0320.01415.35
5.6.360.0340.00915.48
5.6.350.0370.01115.50
5.6.340.0310.01715.14
5.6.330.0430.01115.36
5.6.320.0360.00915.13
5.6.310.0280.00615.21
5.6.300.0470.00715.18
5.6.290.0250.01815.56
5.6.280.0320.02115.34
5.6.270.0340.01215.14
5.6.260.0380.01215.70
5.6.250.0340.00915.46
5.6.240.0350.00715.70
5.6.230.0330.01215.14
5.6.220.0220.02315.07
5.6.210.0350.01015.21
5.6.200.0220.00715.45
5.6.190.0300.01615.33
5.6.180.0420.01615.15
5.6.170.0360.01815.23
5.6.160.0370.01715.02
5.6.150.0270.01715.19
5.6.140.0440.01715.22
5.6.130.0130.01615.52
5.6.120.0360.02115.26
5.6.110.0290.02715.27
5.6.100.0270.01215.31
5.6.90.0460.02715.42
5.6.80.0250.02515.35
5.6.70.0260.02115.46
5.6.60.0460.01015.41
5.6.50.0310.01015.29
5.6.40.0180.01115.23
5.6.30.0270.02215.57
5.6.20.0230.02315.33
5.6.10.0200.01015.25
5.6.00.0230.00815.55
5.5.380.0410.00812.25
5.5.370.0240.00912.04
5.5.360.0250.02112.05
5.5.350.0210.01812.04
5.5.340.0260.00612.00
5.5.330.0370.00712.47
5.5.320.0590.01112.20
5.5.310.0260.01712.17
5.5.300.0260.02212.38
5.5.290.0310.01212.52
5.5.280.0470.00712.09
5.5.270.0420.00812.47
5.5.260.0140.01012.28
5.5.250.0320.02212.23
5.5.240.0320.00611.93
5.5.230.0360.00912.10
5.5.220.0390.01312.36
5.5.210.0350.00912.33
5.5.200.0330.02112.34
5.5.190.0200.01212.25
5.5.180.0190.00612.35
5.5.170.0490.01815.23
5.5.160.0300.01712.36
5.5.150.0340.00911.89
5.4.450.0400.01512.41
5.4.440.0200.01512.39
5.4.430.0160.00912.23
5.4.420.0290.01411.87
5.4.410.0300.01511.93
5.4.400.0260.01812.21
5.4.390.0540.01812.02
5.4.380.0220.01612.14
5.4.370.0220.01812.02
5.4.360.0220.01812.11
5.4.350.0260.01912.24
5.4.340.0260.01012.38
5.4.330.0290.01312.21
5.4.320.0290.01512.13
5.4.310.0100.02012.47

preferences:
44.17 ms | 401 KiB | 5 Q