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(), $key = '', $value = ''){ $return = array(); $current = array_shift($source_arrays); foreach($current as $ck => $cv) { if(!empty($source_arrays)) { $return += getAllCombinationsArray($source_arrays, $key.$ck.'_', $value.$cv.' -> '); } else { $return[$key.$ck] = $value.$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)
8.3.40.0110.00418.96
8.3.30.0030.01019.09
8.3.20.0040.00420.21
8.3.10.0080.00021.91
8.3.00.0040.00717.59
8.2.170.0100.00322.96
8.2.160.0070.00720.41
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0080.00022.28
8.2.110.0070.00322.25
8.2.100.0090.00317.63
8.2.90.0050.00319.41
8.2.80.0060.00317.97
8.2.70.0000.00817.63
8.2.60.0060.00318.03
8.2.50.0040.00418.07
8.2.40.0000.00919.88
8.2.30.0040.00418.13
8.2.20.0000.00717.73
8.2.10.0040.00418.00
8.2.00.0080.00017.80
8.1.270.0030.00621.96
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00023.92
8.1.230.0060.00617.42
8.1.220.0030.00617.78
8.1.210.0040.00418.77
8.1.200.0030.00617.38
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0000.00918.59
8.1.160.0000.00721.89
8.1.150.0050.00318.87
8.1.140.0040.00417.56
8.1.130.0050.00317.83
8.1.120.0040.00417.50
8.1.110.0040.00417.35
8.1.100.0040.00417.45
8.1.90.0000.00717.39
8.1.80.0040.00417.40
8.1.70.0040.00417.38
8.1.60.0050.00317.56
8.1.50.0040.00417.52
8.1.40.0050.00317.52
8.1.30.0050.00317.69
8.1.20.0040.00417.61
8.1.10.0040.00417.64
8.1.00.0080.00017.40
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.46
8.0.270.0000.00817.14
8.0.260.0030.00317.22
8.0.250.0000.00717.01
8.0.240.0000.00717.05
8.0.230.0030.00316.96
8.0.220.0030.00316.87
8.0.210.0070.00017.00
8.0.200.0000.00716.98
8.0.190.0080.00017.00
8.0.180.0030.00317.02
8.0.170.0060.00316.99
8.0.160.0000.00716.96
8.0.150.0070.00016.85
8.0.140.0000.00716.80
8.0.130.0030.00313.30
8.0.120.0030.00616.96
8.0.110.0040.00416.82
8.0.100.0050.00316.85
8.0.90.0040.00416.84
8.0.80.0130.00316.94
8.0.70.0040.00416.79
8.0.60.0000.00716.83
8.0.50.0000.00717.07
8.0.30.0110.00817.15
8.0.20.0120.00917.40
8.0.10.0090.00017.00
8.0.00.0110.00716.86
7.4.330.0000.00615.00
7.4.320.0020.00516.60
7.4.300.0060.00016.61
7.4.290.0030.00616.67
7.4.280.0000.00716.45
7.4.270.0040.00416.63
7.4.260.0000.00716.42
7.4.250.0000.00816.39
7.4.240.0020.00616.50
7.4.230.0040.00416.49
7.4.220.0110.00716.68
7.4.210.0130.00016.64
7.4.200.0000.00716.41
7.4.160.0050.01116.60
7.4.150.0060.01817.40
7.4.140.0120.00617.86
7.4.130.0150.00616.39
7.4.120.0090.00816.56
7.4.110.0130.00416.44
7.4.100.0120.00616.34
7.4.90.0150.00916.49
7.4.80.0060.01319.39
7.4.70.0170.00616.71
7.4.60.0110.00516.60
7.4.50.0040.00416.41
7.4.40.0030.01416.59
7.4.30.0140.00716.61
7.4.00.0070.01014.85
7.3.330.0060.00013.34
7.3.320.0030.00313.34
7.3.310.0040.00416.39
7.3.300.0070.00016.31
7.3.290.0060.01316.36
7.3.280.0090.00916.36
7.3.270.0070.01017.40
7.3.260.0070.01016.61
7.3.240.0070.01016.55
7.3.230.0110.00716.51
7.3.210.0120.00416.46
7.3.200.0140.00819.39
7.3.190.0110.01116.62
7.3.180.0090.00616.34
7.3.170.0040.01216.59
7.3.160.0090.00616.34
7.3.10.0030.00916.77
7.3.00.0090.00516.60
7.2.330.0060.01216.44
7.2.320.0090.00916.79
7.2.310.0100.00716.60
7.2.300.0120.00816.63
7.2.290.0060.01116.63
7.2.130.0090.00816.97
7.2.120.0050.00716.60
7.2.110.0080.00716.93
7.2.100.0070.00516.97
7.2.90.0040.01116.71
7.2.80.0090.00617.03
7.2.70.0050.00716.91
7.2.60.0070.00716.72
7.2.50.0070.00617.00
7.2.40.0100.00716.99
7.2.30.0110.00216.95
7.2.20.0030.00716.99
7.2.10.0060.00616.82
7.2.00.0090.00617.63
7.1.250.0070.00615.82
7.1.240.0000.01115.96
7.1.230.0110.00415.78
7.1.220.0070.00315.77
7.1.210.0000.01015.60
7.1.200.0080.00515.74
7.1.190.0040.00715.95
7.1.180.0030.00915.71
7.1.170.0080.00815.69
7.1.160.0000.01215.61
7.1.150.0070.00315.61
7.1.140.0030.00615.77
7.1.130.0060.00615.67
7.1.120.0100.00315.79
7.1.110.0130.00315.75
7.1.100.0070.00517.00
7.1.90.0060.00715.80
7.1.80.0050.00515.64
7.1.70.0050.00916.55
7.1.60.0110.00617.60
7.1.50.0080.01016.13
7.1.40.0060.00616.00
7.1.30.0130.00315.73
7.1.20.0030.00715.67
7.1.10.0060.01015.79
7.1.00.0060.04018.94
7.0.330.0000.00915.30
7.0.320.0030.00715.41
7.0.310.0090.00315.30
7.0.300.0030.01015.36
7.0.290.0070.00315.40
7.0.280.0090.00315.39
7.0.270.0060.00615.26
7.0.260.0030.00715.21
7.0.250.0060.00315.36
7.0.240.0030.00715.45
7.0.230.0110.00415.14
7.0.220.0100.00315.21
7.0.210.0030.01015.31
7.0.200.0050.00515.81
7.0.190.0040.00715.29
7.0.180.0070.00315.66
7.0.170.0060.00615.47
7.0.160.0030.01415.11
7.0.150.0030.00715.47
7.0.140.0040.03818.67
7.0.130.0030.00915.27
7.0.120.0040.01918.67
7.0.110.0050.03218.67
7.0.100.0050.03818.75
7.0.90.0000.03418.82
7.0.80.0040.03418.82
7.0.70.0010.03318.77
7.0.60.0020.03218.47
7.0.50.0000.02518.86
7.0.40.0040.02317.80
7.0.30.0050.01817.80
7.0.20.0070.02417.73
7.0.10.0020.02917.74
7.0.00.0020.02217.71
5.6.380.0030.00714.54
5.6.370.0080.00414.57
5.6.360.0030.00614.53
5.6.350.0070.00714.41
5.6.340.0040.00714.26
5.6.330.0060.00614.15
5.6.320.0070.00714.16
5.6.310.0070.00314.41
5.6.300.0030.00914.68
5.6.290.0070.00414.44
5.6.280.0000.04417.66
5.6.270.0040.00914.61
5.6.260.0010.02817.69
5.6.250.0050.02517.82
5.6.240.0060.02817.62
5.6.230.0060.02817.53
5.6.220.0040.03417.82
5.6.210.0080.03317.53
5.6.200.0000.02817.49
5.6.190.0020.02517.62
5.6.180.0050.02217.75
5.6.170.0020.02417.61
5.6.160.0020.02117.54
5.6.150.0020.02217.71
5.6.140.0020.02317.63
5.6.130.0050.02317.74
5.6.120.0040.02017.79
5.6.110.0070.02017.74
5.6.100.0050.01817.71
5.6.90.0030.02017.75
5.6.80.0030.02517.28
5.6.70.0040.02317.32
5.6.60.0070.01517.29
5.6.50.0060.01917.15
5.6.40.0000.02617.41
5.6.30.0060.02917.17
5.6.20.0060.02917.17
5.6.10.0040.02717.32
5.6.00.0060.02317.41
5.5.380.0050.02714.42
5.5.370.0040.03214.30
5.5.360.0040.03414.46
5.5.350.0020.03114.57
5.5.340.0060.02714.55
5.5.330.0040.01814.58
5.5.320.0020.03014.50
5.5.310.0050.01514.72
5.5.300.0060.01714.63
5.5.290.0070.01714.65
5.5.280.0050.02214.83
5.5.270.0050.02114.62
5.5.260.0000.02214.50
5.5.250.0020.01914.31
5.5.240.0070.01714.15
5.5.230.0030.02314.32
5.5.220.0040.01714.33
5.5.210.0050.01514.11
5.5.200.0050.02214.26
5.5.190.0030.02514.27
5.5.180.0030.02614.28
5.5.170.0000.00811.27
5.5.160.0020.02514.46
5.5.150.0050.02214.19
5.5.140.0040.02514.38
5.5.130.0070.03114.23
5.5.120.0040.02214.20
5.5.110.0020.01714.46
5.5.100.0070.02014.26
5.5.90.0020.02014.03
5.5.80.0050.01514.21
5.5.70.0050.02014.35
5.5.60.0050.02014.19
5.5.50.0040.02214.21
5.5.40.0030.02314.32
5.5.30.0060.02314.34
5.5.20.0040.02414.31
5.5.10.0060.02714.19
5.5.00.0010.03114.13
5.4.450.0030.02515.15
5.4.440.0030.02515.20
5.4.430.0030.02215.28
5.4.420.0020.02115.18
5.4.410.0050.01815.10
5.4.400.0050.02615.04
5.4.390.0080.01715.19
5.4.380.0060.01515.14
5.4.370.0070.01715.14
5.4.360.0020.03115.03
5.4.350.0050.03015.19
5.4.340.0080.03115.11
5.4.330.0050.01010.90
5.4.320.0060.03215.13
5.4.310.0050.02715.05
5.4.300.0030.02815.18
5.4.290.0060.02315.10
5.4.280.0080.02215.05
5.4.270.0070.01515.13
5.4.260.0070.01515.11
5.4.250.0070.01715.21
5.4.240.0070.01715.15
5.4.230.0000.02515.20
5.4.220.0030.03015.36
5.4.210.0060.02714.94
5.4.200.0050.02915.11
5.4.190.0000.03315.26
5.4.180.0030.02115.09
5.4.170.0030.02715.02
5.4.160.0040.02215.12
5.4.150.0060.02415.09
5.4.140.0040.01613.87
5.4.130.0060.01313.71
5.4.120.0000.02113.70
5.4.110.0010.02113.86
5.4.100.0000.02213.73
5.4.90.0020.02413.83
5.4.80.0030.01813.93
5.4.70.0040.02013.71
5.4.60.0040.02213.69
5.4.50.0000.02313.92
5.4.40.0040.01613.82
5.4.30.0050.01413.66
5.4.20.0050.01513.76
5.4.10.0000.02113.79
5.4.00.0030.01813.35
5.3.290.0060.03012.79
5.3.280.0030.02612.76
5.3.270.0080.02012.76
5.3.260.0040.02812.82
5.3.250.0000.02312.73
5.3.240.0060.01312.77
5.3.230.0030.01912.75
5.3.220.0030.02012.78
5.3.210.0100.01712.75
5.3.200.0000.02012.73
5.3.190.0080.01512.85
5.3.180.0020.01912.74
5.3.170.0050.01512.71
5.3.160.0030.01612.66
5.3.150.0020.02212.71
5.3.140.0060.02512.73
5.3.130.0030.01812.73
5.3.120.0050.01712.80
5.3.110.0040.01912.73
5.3.100.0040.01712.47
5.3.90.0020.01912.48
5.3.80.0040.01912.47
5.3.70.0020.02112.53
5.3.60.0000.02012.45
5.3.50.0020.01712.49
5.3.40.0020.02312.54
5.3.30.0050.01712.43
5.3.20.0000.02412.30
5.3.10.0030.02812.34
5.3.00.0020.02212.33
5.2.170.0050.01711.02
5.2.160.0010.01411.07
5.2.150.0030.02511.10
5.2.140.0030.01711.01
5.2.130.0000.02011.04
5.2.120.0050.01711.01
5.2.110.0010.02011.00
5.2.100.0020.01511.08
5.2.90.0030.02010.99
5.2.80.0020.01711.01
5.2.70.0040.01811.11
5.2.60.0020.02110.90
5.2.50.0020.02211.07
5.2.40.0020.02010.93
5.2.30.0060.01710.97
5.2.20.0060.01510.93
5.2.10.0050.02210.89
5.2.00.0020.02810.85
5.1.60.0030.01710.43
5.1.50.0000.02010.45
5.1.40.0050.01310.44
5.1.30.0050.01610.63
5.1.20.0070.01810.63
5.1.10.0020.01910.57
5.1.00.0040.01910.49
5.0.50.0040.01910.40
5.0.40.0040.01710.40
5.0.30.0030.02510.40
5.0.20.0030.01510.40
5.0.10.0040.01710.40
5.0.00.0030.03010.40
4.4.90.0020.01210.40
4.4.80.0030.00810.40
4.4.70.0000.00910.40
4.4.60.0020.00810.40
4.4.50.0020.01010.40
4.4.40.0050.01310.40
4.4.30.0040.01010.40
4.4.20.0030.01510.40
4.4.10.0020.00910.40
4.4.00.0030.01810.40
4.3.110.0000.01810.40
4.3.100.0050.01310.40
4.3.90.0010.01410.40
4.3.80.0000.02310.40
4.3.70.0020.01410.40
4.3.60.0010.01310.40
4.3.50.0040.01110.40
4.3.40.0000.01910.40
4.3.30.0020.01010.40
4.3.20.0040.01410.40
4.3.10.0040.01210.40
4.3.00.0020.01210.40

preferences:
52.84 ms | 400 KiB | 5 Q