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 = $arrays[0]; if($count > 2) { $array_merg = get_combinations(array_slice($arrays, 1)); } else { $array_merg = $arrays[1]; } $tmp = array(); foreach($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)
8.3.40.0150.00618.77
8.3.30.0040.01119.27
8.3.20.0040.01420.16
8.3.10.0040.00423.61
8.3.00.0030.00519.25
8.2.170.0030.01322.96
8.2.160.0070.00720.38
8.2.150.0030.00624.18
8.2.140.0000.00824.66
8.2.130.0060.00326.16
8.2.120.0000.00822.13
8.2.110.0040.00422.08
8.2.100.0040.00817.88
8.2.90.0000.00819.20
8.2.80.0080.00017.97
8.2.70.0060.00317.61
8.2.60.0000.00818.16
8.2.50.0080.00018.07
8.2.40.0080.00018.14
8.2.30.0040.00418.20
8.2.20.0040.00417.69
8.2.10.0000.00819.91
8.2.00.0070.00317.80
8.1.270.0000.00822.19
8.1.260.0080.00026.35
8.1.250.0090.00928.09
8.1.240.0090.00023.74
8.1.230.0040.00719.16
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0040.00417.38
8.1.190.0030.00617.40
8.1.180.0030.00618.10
8.1.170.0000.00818.55
8.1.160.0070.00021.98
8.1.150.0050.00218.67
8.1.140.0070.00017.39
8.1.130.0030.00317.85
8.1.120.0030.00417.51
8.1.110.0070.00317.48
8.1.100.0050.00317.44
8.1.90.0000.00717.39
8.1.80.0040.00417.49
8.1.70.0070.00017.43
8.1.60.0040.00417.60
8.1.50.0030.00617.56
8.1.40.0000.00717.43
8.1.30.0000.00817.65
8.1.20.0050.00317.53
8.1.10.0000.00717.46
8.1.00.0050.00217.55
8.0.300.0070.00018.77
8.0.290.0070.00017.04
8.0.280.0030.00318.43
8.0.270.0000.00717.20
8.0.260.0030.00317.20
8.0.250.0000.00716.97
8.0.240.0040.00417.00
8.0.230.0040.00317.00
8.0.220.0050.00316.91
8.0.210.0030.00316.92
8.0.200.0000.00716.89
8.0.190.0000.00716.87
8.0.180.0080.00016.78
8.0.170.0000.00916.91
8.0.160.0040.00416.90
8.0.150.0030.00516.86
8.0.140.0030.00316.79
8.0.130.0030.00313.29
8.0.120.0090.00016.84
8.0.110.0000.00916.81
8.0.100.0040.00416.95
8.0.90.0040.00416.81
8.0.80.0090.00617.00
8.0.70.0040.00416.81
8.0.60.0070.00016.92
8.0.50.0040.00416.85
8.0.30.0100.00917.00
8.0.20.0110.01417.40
8.0.10.0070.00016.87
8.0.00.0090.00816.83
7.4.330.0000.00515.11
7.4.320.0030.00316.63
7.4.300.0000.00616.60
7.4.290.0070.00016.55
7.4.280.0070.00016.45
7.4.270.0000.00716.39
7.4.260.0000.00716.59
7.4.250.0040.00416.48
7.4.240.0000.00816.61
7.4.230.0030.00316.33
7.4.220.0070.01016.57
7.4.210.0050.01016.60
7.4.200.0040.00416.61
7.4.190.0030.00316.80
7.4.160.0160.00316.70
7.4.150.0110.00617.40
7.4.140.0120.00717.86
7.4.130.0050.01216.60
7.4.120.0150.00616.49
7.4.110.0160.00016.48
7.4.100.0140.00416.57
7.4.90.0110.00716.55
7.4.80.0130.00619.39
7.4.70.0040.01616.34
7.4.60.0030.01316.61
7.4.50.0030.00316.45
7.4.40.0080.00322.77
7.4.30.0090.00916.31
7.4.00.0060.00914.91
7.3.330.0030.00313.19
7.3.320.0030.00313.25
7.3.310.0040.00416.38
7.3.300.0000.00616.41
7.3.290.0120.00916.28
7.3.280.0100.00716.28
7.3.270.0090.00917.40
7.3.260.0060.01216.57
7.3.250.0120.00616.37
7.3.240.0060.01816.29
7.3.230.0130.00316.39
7.3.210.0070.01116.38
7.3.200.0120.01019.39
7.3.190.0190.00416.64
7.3.180.0030.01316.39
7.3.170.0130.00316.57
7.3.160.0120.00416.48
7.3.120.0100.00715.05
7.3.10.0090.00716.60
7.3.00.0070.00716.42
7.2.330.0180.00616.74
7.2.320.0110.00716.83
7.2.310.0100.01316.76
7.2.300.0040.01516.44
7.2.290.0090.01216.66
7.2.130.0050.01016.90
7.2.120.0070.01016.81
7.2.110.0070.00816.77
7.2.100.0060.00916.86
7.2.90.0100.00616.81
7.2.80.0070.00916.87
7.2.70.0100.00416.69
7.2.60.0030.01016.91
7.2.50.0030.00916.75
7.2.40.0060.00716.96
7.2.30.0080.00616.95
7.2.20.0050.01016.82
7.2.10.0030.00916.84
7.2.00.0060.00917.61
7.1.250.0080.00815.65
7.1.240.0050.00515.86
7.1.230.0040.01215.63
7.1.220.0050.00315.55
7.1.210.0030.00715.88
7.1.200.0070.00315.80
7.1.190.0030.01015.86
7.1.180.0100.00315.90
7.1.170.0130.00315.80
7.1.160.0090.00615.59
7.1.150.0030.01015.72
7.1.140.0000.00715.58
7.1.130.0040.00415.82
7.1.120.0070.00315.83
7.1.110.0030.00715.80
7.1.100.0110.00616.69
7.1.90.0030.01015.79
7.1.80.0040.00815.82
7.1.70.0090.00416.46
7.1.60.0080.00817.50
7.1.50.0080.00816.50
7.1.40.0070.00315.83
7.1.30.0050.00515.74
7.1.20.0070.00715.71
7.1.10.0080.00416.00
7.1.00.0020.04519.13
7.0.330.0100.00315.45
7.0.320.0030.00915.59
7.0.310.0060.00315.50
7.0.300.0030.00915.32
7.0.290.0080.00415.43
7.0.280.0030.00815.39
7.0.270.0040.00415.64
7.0.260.0030.00615.41
7.0.250.0080.00715.51
7.0.240.0040.00715.45
7.0.230.0060.00915.36
7.0.220.0030.01015.36
7.0.210.0000.00915.48
7.0.200.0050.00515.22
7.0.190.0050.01115.45
7.0.180.0030.01015.42
7.0.170.0060.00315.29
7.0.160.0000.01015.45
7.0.150.0040.00815.44
7.0.140.0130.03318.77
7.0.130.0110.00415.60
7.0.120.0070.00715.54
7.0.110.0030.01015.60
7.0.100.0030.01015.46
7.0.90.0070.00715.38
7.0.80.0040.00715.52
7.0.70.0040.00715.22
7.0.60.0020.04717.79
7.0.50.0040.03216.69
7.0.40.0070.02016.87
7.0.30.0170.04516.83
7.0.20.0170.02516.73
7.0.10.0100.04316.81
7.0.00.0090.02016.77
5.6.380.0000.01614.30
5.6.370.0000.01214.45
5.6.360.0060.00914.49
5.6.350.0080.00614.30
5.6.340.0090.00314.46
5.6.330.0070.00714.27
5.6.320.0090.00314.46
5.6.310.0000.01214.55
5.6.300.0060.00914.51
5.6.290.0000.01314.30
5.6.280.0070.03817.82
5.6.270.0060.00914.50
5.6.260.0070.00714.52
5.6.250.0070.00714.50
5.6.240.0120.00314.76
5.6.230.0140.00014.64
5.6.220.0140.00414.57
5.6.210.0050.02517.49
5.6.200.0120.04216.31
5.6.190.0070.03017.56
5.6.180.0080.02817.35
5.6.170.0130.02417.64
5.6.160.0040.03117.48
5.6.150.0090.02616.14
5.6.140.0050.04316.41
5.6.130.0030.02816.45
5.6.120.0050.04817.76
5.6.110.0030.05217.61
5.6.100.0100.04517.77
5.6.90.0100.02817.79
5.6.80.0070.04017.46
5.6.70.0290.01817.34
5.6.60.0000.01114.59
5.6.50.0100.00013.93
5.6.40.0000.01014.31
5.6.30.0100.00314.57
5.6.20.0100.00714.33
5.6.10.0070.00714.45
5.6.00.0030.00614.31
5.5.380.0120.00011.39
5.5.370.0070.00311.31
5.5.360.0030.00711.47
5.5.350.0130.02315.78
5.5.340.0020.04514.47
5.5.330.0090.01815.81
5.5.320.0150.02415.82
5.5.310.0170.03715.94
5.5.300.0110.03314.68
5.5.290.0070.04314.48
5.5.280.0000.05116.09
5.5.270.0080.04016.03
5.5.260.0040.03716.09
5.5.250.0050.04315.98
5.5.240.0100.04015.75
5.5.230.0040.00811.27
5.5.220.0060.00311.38
5.5.210.0000.00911.26
5.5.200.0000.00711.33
5.5.190.0000.00811.31
5.5.180.0050.00511.31
5.5.170.0040.00411.04
5.5.160.0040.00411.27
5.5.150.0040.00411.30
5.5.140.0050.00011.11
5.5.130.0000.00910.83
5.5.120.0030.00810.95
5.5.110.0070.00010.99
5.5.100.0000.01010.99
5.5.90.0060.00311.05
5.5.80.0060.00611.00
5.5.70.0050.00311.12
5.5.60.0030.00711.05
5.5.50.0040.00410.80
5.5.40.0070.00311.39
5.5.30.0090.00311.41
5.5.20.0030.00611.42
5.5.10.0000.01011.12
5.5.00.0030.00811.20
5.4.450.0530.03015.44
5.4.440.0590.03615.24
5.4.430.0390.03215.34
5.4.420.0420.04215.20
5.4.410.0030.03415.27
5.4.400.0350.02915.22
5.4.390.0480.03114.88
5.4.380.0330.03014.83
5.4.370.0650.03814.96
5.4.360.0580.03315.12
5.4.350.0730.03114.79
5.4.340.0420.02914.95
5.4.330.0080.00411.33
5.4.320.0040.02511.86
5.4.310.0050.02311.84
5.4.300.0040.02211.84
5.4.290.0090.01811.68
5.4.280.0060.02811.84
5.4.270.0090.02511.83
5.4.260.0070.02811.87
5.4.250.0080.02811.63
5.4.240.0080.02811.60
5.4.230.0040.03111.71
5.4.220.0060.02611.78
5.4.210.0050.02711.75
5.4.200.0080.02511.82
5.4.190.0060.02811.72
5.4.180.0090.02511.75
5.4.170.0050.03011.82
5.4.160.0110.02811.78
5.4.150.0050.02811.61
5.4.140.0070.02311.60
5.4.130.0080.02211.44
5.4.120.0090.02811.64
5.4.110.0060.02011.46
5.4.100.0100.02011.54
5.4.90.0070.02311.57
5.4.80.0110.02011.60
5.4.70.0070.02011.43
5.4.60.0070.02511.50
5.4.50.0100.02611.56
5.4.40.0080.02611.67
5.4.30.0090.02711.50
5.4.20.0050.03111.57
5.4.10.0060.02311.53
5.4.00.0070.02811.34
5.3.290.0060.02111.76
5.3.280.0050.02411.66
5.3.270.0060.03111.55
5.3.260.0050.03011.70
5.3.250.0080.02911.72
5.3.240.0120.04011.61
5.3.230.0130.03011.67
5.3.220.0090.03011.61
5.3.210.0100.02711.60
5.3.200.0070.03011.55
5.3.190.0080.02611.66
5.3.180.0050.02311.73
5.3.170.0110.02411.59
5.3.160.0070.02711.73
5.3.150.0070.03111.71
5.3.140.0090.02711.73
5.3.130.0070.02611.69
5.3.120.0100.02311.67
5.3.110.0110.02311.64
5.3.100.0120.02611.41
5.3.90.0050.02211.44
5.3.80.0080.02411.30
5.3.70.0080.02511.29
5.3.60.0060.02511.33
5.3.50.0080.02311.29
5.3.40.0040.02311.27
5.3.30.0030.02511.33
5.3.20.0050.02111.10
5.3.10.0070.02010.96
5.3.00.0060.02311.03
5.2.170.0050.0209.39
5.2.160.0070.0219.26
5.2.150.0040.0209.26
5.2.140.0120.0259.36
5.2.130.0040.0279.33
5.2.120.0080.0169.37
5.2.110.0040.0219.22
5.2.100.0080.0289.32
5.2.90.0080.0239.33
5.2.80.0110.0209.30
5.2.70.0060.0209.22
5.2.60.0090.0189.19
5.2.50.0060.0199.24
5.2.40.0050.0189.24
5.2.30.0050.0249.27
5.2.20.0080.0169.15
5.2.10.0070.0229.11
5.2.00.0070.0249.04
5.1.60.0040.0208.68
5.1.50.0090.0198.68
5.1.40.0070.0128.67
5.1.30.0040.0168.85
5.1.20.0040.0198.86
5.1.10.0060.0148.72
5.1.00.0060.0178.72
5.0.50.0020.0167.97
5.0.40.0050.0117.90
5.0.30.0080.0167.80
5.0.20.0040.0147.79
5.0.10.0060.0117.78
5.0.00.0060.0167.77
4.4.90.0030.0107.04
4.4.80.0030.0097.02
4.4.70.0030.0117.03
4.4.60.0040.0107.03
4.4.50.0030.0117.03
4.4.40.0030.0157.00
4.4.30.0060.0147.03
4.4.20.0020.0157.07
4.4.10.0040.0137.07
4.4.00.0060.0187.03
4.3.110.0050.0126.98
4.3.100.0020.0146.98
4.3.90.0040.0116.96
4.3.80.0020.0196.94
4.3.70.0070.0096.96
4.3.60.0040.0126.96
4.3.50.0050.0126.96
4.3.40.0020.0206.92
4.3.30.0020.0146.30
4.3.20.0040.0106.29
4.3.10.0020.0156.27
4.3.00.0150.0089.83

preferences:
47.94 ms | 400 KiB | 5 Q