3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(array(1, 2), array(3, 4), array(5)); function get_combinations($arrays) { $result = array(array()); $count = count($arrays); $first_array = $arrays[0]; echo 'asd'; if($count > 2) { $array_merg = get_combinations(array_slice($arrays, 1)); } else { $array_merg = $arrays[1]; } print_r($first_array); print_r($array_merg); $tmp = array(); foreach($first_array as $arele1) { print_r($arele1); foreach($array_merg as $arele2) { print_r($arele2); if(is_array($arele2)) { $tmp[] = array_unshift($arele2,$arele1); } else { $tmp[] = array($arele1,$arele2); } } } print_r($tmp); return $tmp; } var_dump(get_combinations($a));

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)
8.3.60.0140.00716.63
8.3.50.0120.00522.05
8.3.40.0150.00018.66
8.3.30.0070.00719.27
8.3.20.0060.00020.20
8.3.10.0000.00723.46
8.3.00.0060.00319.38
8.2.180.0110.00418.27
8.2.170.0180.00422.96
8.2.160.0140.00322.15
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00726.16
8.2.120.0070.00022.25
8.2.110.0040.00422.15
8.2.100.0030.00917.78
8.2.90.0080.00019.25
8.2.80.0040.00417.97
8.2.70.0030.00617.38
8.2.60.0080.00017.93
8.2.50.0060.00318.07
8.2.40.0080.00018.34
8.2.30.0040.00418.05
8.2.20.0040.00417.73
8.2.10.0080.00019.91
8.2.00.0060.00517.62
8.1.280.0170.00025.92
8.1.270.0000.00822.19
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0090.00023.92
8.1.230.0100.00319.00
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0000.00817.40
8.1.180.0000.00818.10
8.1.170.0040.00418.66
8.1.160.0000.00822.02
8.1.150.0040.00418.59
8.1.140.0040.00417.46
8.1.130.0000.00717.75
8.1.120.0040.00417.38
8.1.110.0070.00417.43
8.1.100.0040.00417.41
8.1.90.0040.00417.40
8.1.80.0040.00417.36
8.1.70.0050.00217.36
8.1.60.0000.00717.57
8.1.50.0040.00417.38
8.1.40.0000.00717.50
8.1.30.0040.00417.59
8.1.20.0030.00617.70
8.1.10.0000.00717.46
8.1.00.0050.00317.50
8.0.300.0070.00018.77
8.0.290.0040.00417.18
8.0.280.0040.00418.36
8.0.270.0000.00717.32
8.0.260.0030.00317.16
8.0.250.0030.00316.96
8.0.240.0040.00417.00
8.0.230.0070.00016.83
8.0.220.0000.00716.92
8.0.210.0040.00416.87
8.0.200.0060.00016.92
8.0.190.0000.00716.88
8.0.180.0000.00816.82
8.0.170.0000.00816.81
8.0.160.0030.00316.88
8.0.150.0040.00416.85
8.0.140.0030.00316.73
8.0.130.0000.00713.31
8.0.120.0060.00316.82
8.0.110.0080.00016.86
8.0.100.0000.00816.79
8.0.90.0000.00816.89
8.0.80.0120.00316.81
8.0.70.0040.00416.93
8.0.60.0040.00416.93
8.0.50.0000.00816.89
8.0.30.0160.00317.13
8.0.20.0180.00617.40
8.0.10.0000.00716.87
8.0.00.0060.01316.66
7.4.330.0000.00515.00
7.4.320.0030.00316.47
7.4.300.0030.00316.40
7.4.290.0070.00016.51
7.4.280.0000.00816.57
7.4.270.0080.00016.61
7.4.260.0030.00516.49
7.4.250.0050.00316.46
7.4.240.0020.00516.48
7.4.230.0030.00316.45
7.4.220.0070.01016.70
7.4.210.0040.01016.56
7.4.200.0020.00516.54
7.4.190.0040.00416.66
7.4.160.0060.01016.39
7.4.150.0070.01817.40
7.4.140.0060.01317.86
7.4.130.0060.01016.54
7.4.120.0090.01016.63
7.4.110.0120.00616.34
7.4.100.0120.00616.63
7.4.90.0090.00916.56
7.4.80.0100.01019.39
7.4.70.0030.01416.48
7.4.60.0040.01116.42
7.4.50.0080.00016.43
7.4.40.0150.00322.77
7.4.30.0080.00816.46
7.4.00.0040.01214.98
7.3.330.0000.00613.20
7.3.320.0030.00313.30
7.3.310.0050.00316.36
7.3.300.0040.00416.39
7.3.290.0090.00516.29
7.3.280.0110.00716.31
7.3.270.0100.01017.40
7.3.260.0130.01316.54
7.3.250.0120.00816.43
7.3.240.0150.00316.53
7.3.230.0130.00416.59
7.3.210.0100.00716.41
7.3.200.0150.00619.39
7.3.190.0070.01516.33
7.3.180.0100.00716.30
7.3.170.0080.00916.39
7.3.160.0030.01416.57
7.3.120.0050.01114.73
7.3.110.0090.00614.79
7.3.100.0070.01014.69
7.3.90.0030.01014.74
7.3.80.0090.00314.99
7.3.70.0070.01314.88
7.3.60.0100.00314.55
7.3.50.0030.01014.96
7.3.40.0110.00314.73
7.3.30.0120.00014.89
7.3.20.0030.01316.54
7.3.10.0040.00816.69
7.3.00.0040.00816.53
7.2.330.0090.01016.74
7.2.320.0110.00916.78
7.2.310.0170.00616.84
7.2.300.0110.01216.54
7.2.290.0080.00816.42
7.2.250.0060.01315.15
7.2.240.0060.01114.73
7.2.230.0040.01114.91
7.2.220.0060.00615.02
7.2.210.0070.01014.68
7.2.200.0090.01215.11
7.2.190.0060.00915.11
7.2.180.0060.01015.11
7.2.170.0040.01115.26
7.2.130.0090.00717.07
7.2.120.0070.00716.91
7.2.110.0070.00416.84
7.2.100.0070.00516.76
7.2.90.0040.01017.09
7.2.80.0090.00517.02
7.2.70.0030.01017.03
7.2.60.0060.00916.74
7.2.50.0060.00516.62
7.2.40.0050.00517.08
7.2.30.0080.00516.90
7.2.20.0060.00417.06
7.2.10.0020.01116.87
7.2.00.0060.00817.78
7.1.330.0030.01015.91
7.1.320.0030.01215.63
7.1.310.0060.00915.92
7.1.300.0120.00315.69
7.1.290.0040.01215.87
7.1.280.0070.00315.73
7.1.270.0070.00715.84
7.1.260.0110.00415.84
7.1.250.0050.00715.79
7.1.200.0000.01115.92
7.1.100.0030.00818.23
7.1.70.0030.00716.99
7.1.60.0070.01119.33
7.1.50.0110.01117.02
7.1.00.0030.07722.45
7.0.200.0100.00014.90
7.0.140.0070.07022.15
7.0.60.0130.08019.82
7.0.50.0070.05717.88
7.0.40.0130.08020.27
7.0.30.0430.07020.11
7.0.20.0200.04020.15
7.0.10.0100.08720.19
7.0.00.0070.08720.20
5.6.280.0130.06721.10
5.6.210.0030.08720.53
5.6.200.0000.05718.16
5.6.190.0100.08320.61
5.6.180.3070.04020.77
5.6.170.0200.08020.50
5.6.160.0130.08020.52
5.6.150.0030.08318.29
5.6.140.0030.04718.13
5.6.130.0270.07018.11
5.6.120.0200.04320.75
5.6.110.0100.07720.89
5.6.100.0030.04020.98
5.6.90.0200.07021.13
5.6.80.0070.08020.47
5.5.350.0200.04020.34
5.5.340.0170.07018.02
5.5.330.0100.04020.41
5.5.320.0330.08020.33
5.5.310.0130.04320.36
5.5.300.0030.08317.98
5.5.290.0030.08318.04
5.5.280.0100.07720.68
5.5.270.0200.05720.86
5.5.260.0130.06320.79
5.5.250.0130.06020.71
5.5.240.0170.04020.07
5.4.450.0500.04319.64
5.4.440.0570.03319.54
5.4.430.0800.04719.57
5.4.420.1000.07719.63
5.4.410.1000.03019.42
5.4.400.1170.03719.22
5.4.390.0700.03319.15
5.4.380.0400.05018.51
5.4.370.0470.06718.46
5.4.360.0270.05718.61
5.4.350.0570.05018.47
5.4.340.0330.05718.59
5.4.320.0050.04412.50
5.4.310.0060.04012.50
5.4.300.0050.04012.50
5.4.290.0070.03712.50
5.4.280.0050.04012.38
5.4.270.0070.03812.37
5.4.260.0080.04612.37
5.4.250.0060.04412.37
5.4.240.0130.03912.37
5.4.230.0060.04412.36
5.4.220.0050.05212.36
5.4.210.0030.04012.36
5.4.200.0030.04112.36
5.4.190.0050.03812.36
5.4.180.0050.03812.36
5.4.170.0070.03612.37
5.4.160.0100.03512.36
5.4.150.0110.04912.36
5.4.140.0130.04812.04
5.4.130.0080.04712.03
5.4.120.0100.03411.98
5.4.110.0170.04311.98
5.4.100.0040.04411.98
5.4.90.0100.03611.99
5.4.80.0070.03811.98
5.4.70.0080.03411.98
5.4.60.0060.03711.98
5.4.50.0080.04311.98
5.4.40.0100.03511.97
5.4.30.0110.04711.97
5.4.20.0140.04611.96
5.4.10.0180.04211.97
5.4.00.0140.04711.46
5.3.290.0100.03812.80
5.3.280.0150.06112.71
5.3.270.0100.06112.72
5.3.260.0140.05612.72
5.3.250.0130.05512.72
5.3.240.0180.06212.71
5.3.230.0160.06212.71
5.3.220.0110.05112.68
5.3.210.0120.05212.68
5.3.200.0070.05112.68
5.3.190.0090.04312.68
5.3.180.0160.05112.67
5.3.170.0050.04012.67
5.3.160.0080.03812.68
5.3.150.0090.03712.68
5.3.140.0090.03912.66
5.3.130.0110.05412.66
5.3.120.0120.04212.66
5.3.110.0090.05812.66
5.3.100.0110.04712.12
5.3.90.0100.05812.08
5.3.80.0100.03812.07
5.3.70.0080.03712.07
5.3.60.0100.03512.07
5.3.50.0100.03812.00
5.3.40.0130.03512.00
5.3.30.0070.03911.96
5.3.20.0090.03811.74
5.3.10.0130.06011.70
5.3.00.0120.04911.69
5.2.170.0110.0439.19
5.2.160.0080.0319.19
5.2.150.0070.0339.19
5.2.140.0060.0369.19
5.2.130.0090.0319.16
5.2.120.0040.0339.15
5.2.110.0130.0519.16
5.2.100.0100.0329.16
5.2.90.0100.0399.14
5.2.80.0100.0389.15
5.2.70.0140.0489.14
5.2.60.0070.0359.09
5.2.50.0060.0379.07
5.2.40.0060.0399.04
5.2.30.0260.0309.02
5.2.20.0080.0299.01
5.2.10.0070.0318.93
5.2.00.0070.0328.79
5.1.60.0120.0308.07
5.1.50.0090.0278.07
5.1.40.0140.0508.05
5.1.30.0160.0388.40
5.1.20.0090.0288.43
5.1.10.0100.0428.15
5.1.00.0320.0378.15
5.0.50.0070.0326.63
5.0.40.0150.0376.50
5.0.30.0040.0476.30
5.0.20.0080.0196.28
5.0.10.0100.0276.26
5.0.00.0120.0526.25
4.4.90.0070.0194.78
4.4.80.0090.0134.75
4.4.70.0060.0154.75
4.4.60.0080.0144.76
4.4.50.0050.0174.77
4.4.40.0040.0294.71
4.4.30.0130.0504.76
4.4.20.0080.0264.84
4.4.10.0050.0244.85
4.4.00.0100.0504.76
4.3.110.0050.0204.67
4.3.100.0080.0184.66
4.3.90.0020.0254.64
4.3.80.0070.0254.58
4.3.70.0130.0134.63
4.3.60.0050.0234.63
4.3.50.0020.0254.63
4.3.40.0060.0264.54
4.3.30.0050.0173.31
4.3.20.0040.0173.30
4.3.10.0000.0203.25
4.3.00.0100.01713.47

preferences:
47.38 ms | 401 KiB | 5 Q