3v4l.org

run code in 300+ PHP versions simultaneously
<?php function uniqueCombination($in, $minLength = 1, $max = 2000) { $count = count($in); $members = pow(2, $count); $return = array(); for($i = 0; $i < $members; $i ++) { $b = sprintf("%0" . $count . "b", $i); $out = array(); for($j = 0; $j < $count; $j ++) { $b{$j} == '1' and $out[] = $in[$j]; } count($out) >= $minLength && count($out) <= $max and $return[] = $out; } return $return; } $numbers = array(1,2,3); $return = uniqueCombination($numbers); sort($return); print_r(array_map(function($v){ return implode(" ", $v); }, $return)); ?>

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)
8.4.140.0120.00817.94
8.4.130.0100.00918.95
8.4.120.0090.01118.60
8.4.110.0070.00219.15
8.4.100.0030.00518.09
8.4.90.0150.00520.65
8.4.80.0080.00118.02
8.4.70.0050.00317.91
8.4.60.0110.00918.47
8.4.50.0110.00819.75
8.4.40.0150.00617.64
8.4.30.0100.00720.28
8.4.20.0130.00620.70
8.4.10.0070.00719.48
8.3.270.0120.00816.89
8.3.260.0150.00416.81
8.3.250.0110.00716.54
8.3.240.0150.00516.77
8.3.230.0100.00816.82
8.3.220.0120.00620.73
8.3.210.0070.00116.60
8.3.200.0040.00416.48
8.3.190.0060.00217.15
8.3.180.0100.00816.56
8.3.170.0120.00616.40
8.3.160.0030.01516.50
8.3.150.0070.01017.12
8.3.140.0070.00016.66
8.3.130.0090.00018.41
8.3.120.0000.00918.98
8.3.110.0090.00020.94
8.3.100.0070.00424.06
8.3.90.0080.00026.77
8.3.80.0090.00018.31
8.3.70.0140.00416.58
8.3.60.0100.00718.30
8.3.50.0070.01016.39
8.3.40.0150.00018.58
8.3.30.0070.00718.75
8.3.20.0080.00020.69
8.3.10.0060.00320.29
8.3.00.0000.00823.36
8.2.290.0060.00417.19
8.2.280.0050.00322.28
8.2.270.0130.00316.54
8.2.260.0060.00319.08
8.2.250.0130.00716.97
8.2.240.0000.00917.02
8.2.230.0060.00322.58
8.2.220.0030.00637.54
8.2.210.0100.01026.77
8.2.200.0040.00418.04
8.2.190.0060.01216.75
8.2.180.0110.00725.92
8.2.170.0110.00322.96
8.2.160.0070.00720.19
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0090.00020.71
8.2.110.0070.00419.32
8.2.100.0000.01117.91
8.2.90.0040.00417.97
8.2.80.0000.00718.00
8.2.70.0080.00017.80
8.2.60.0050.00317.84
8.2.50.0000.00918.10
8.2.40.0060.00319.26
8.2.30.0020.00519.12
8.2.20.0070.00017.88
8.2.10.0050.00318.70
8.2.00.0070.00019.31
8.1.330.0080.01016.02
8.1.320.0120.00715.83
8.1.310.0040.01116.46
8.1.300.0110.00718.46
8.1.290.0090.00030.84
8.1.280.0120.00625.92
8.1.270.0080.00022.33
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00922.14
8.1.230.0110.00022.70
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0090.00017.00
8.1.180.0030.00518.10
8.1.170.0000.01018.38
8.1.160.0030.00518.76
8.1.150.0000.00718.75
8.1.140.0050.00318.64
8.1.130.0030.00317.34
8.1.120.0000.00717.38
8.1.110.0070.00017.33
8.1.100.0000.00817.38
8.1.90.0040.00417.22
8.1.80.0080.00017.34
8.1.70.0040.00417.32
8.1.60.0000.00817.46
8.1.50.0060.00317.44
8.1.40.0000.00817.41
8.1.30.0040.00417.58
8.1.20.0000.01017.59
8.1.10.0080.00017.25
8.1.00.0040.00417.34
8.0.300.0050.00219.62
8.0.290.0040.00416.75
8.0.280.0050.00218.32
8.0.270.0030.00317.14
8.0.260.0000.00716.78
8.0.250.0060.00016.87
8.0.240.0030.00316.89
8.0.230.0030.00316.76
8.0.220.0070.00016.85
8.0.210.0070.00016.83
8.0.200.0000.00816.79
8.0.190.0000.00716.77
8.0.180.0020.00516.89
8.0.170.0040.00416.85
8.0.160.0000.00816.92
8.0.150.0030.00616.72
8.0.140.0070.00016.81
8.0.130.0000.00613.25
8.0.120.0060.00316.78
8.0.110.0080.00016.75
8.0.100.0040.00416.64
8.0.90.0040.00416.90
8.0.80.0190.00316.77
8.0.70.0000.00716.78
8.0.60.0080.00016.87
8.0.50.0000.00716.86
8.0.30.0130.01016.90
8.0.20.0180.00916.84
8.0.10.0160.01616.84
8.0.00.0150.00716.84
7.4.330.0000.00615.55
7.4.320.0060.00016.59
7.4.300.0000.00616.52
7.4.290.0030.00316.46
7.4.280.0090.00016.63
7.4.270.0060.00016.60
7.4.260.0070.00016.49
7.4.250.0030.00316.62
7.4.240.0040.00316.56
7.4.230.0030.00316.71
7.4.220.0030.00616.36
7.4.210.0070.01016.56
7.4.200.0040.00416.53
7.4.160.0110.00716.52
7.4.150.0180.00916.57
7.4.140.0100.01517.21
7.4.130.0150.00816.61
7.4.120.0160.00816.61
7.4.110.0170.00716.56
7.4.100.0210.01016.57
7.4.90.0120.01216.45
7.4.80.0180.00717.92
7.4.70.0140.00816.48
7.4.60.0130.00916.54
7.4.50.0160.00516.47
7.4.40.0100.01516.52
7.4.30.0150.01216.63
7.4.20.0180.00916.43
7.4.10.0240.01016.64
7.4.00.0140.01015.78
7.3.330.0060.00013.30
7.3.320.0060.00013.09
7.3.310.0040.00416.17
7.3.300.0030.00316.15
7.3.290.0030.00316.28
7.3.280.0080.00816.29
7.3.270.0210.01116.20
7.3.260.0150.00716.49
7.3.250.0200.00716.29
7.3.240.0100.01116.43
7.3.230.0190.00616.32
7.3.220.0250.00916.23
7.3.210.0160.01016.29
7.3.200.0150.01016.32
7.3.190.0150.00816.39
7.3.180.0120.01016.43
7.3.170.0160.01016.45
7.3.160.0140.01316.30
7.3.150.0180.00916.32
7.3.140.0190.01116.33
7.3.130.0140.01416.24
7.3.120.0250.00416.33
7.3.110.0230.00616.18
7.3.100.0220.00616.15
7.3.90.0170.01316.48
7.3.80.0180.01116.27
7.3.70.0260.00316.36
7.3.60.0240.00916.45
7.3.50.0140.01015.54
7.3.40.0130.01115.66
7.3.30.0170.00915.47
7.3.20.0170.00915.71
7.3.10.0180.00715.38
7.3.00.0160.01315.61
7.2.340.0250.00516.46
7.2.330.0170.00916.60
7.2.320.0130.01716.53
7.2.310.0160.00716.48
7.2.300.0080.01516.66
7.2.290.0160.01216.51
7.2.280.0240.01016.49
7.2.270.0210.00616.47
7.2.260.0160.01116.50
7.2.250.0170.01016.37
7.2.240.0210.00616.41
7.2.230.0180.01016.44
7.2.220.0230.00816.48
7.2.210.0100.01716.47
7.2.200.0260.01016.59
7.2.190.0200.00816.57
7.2.180.0180.00615.77
7.2.170.0130.00915.66
7.2.160.0180.00315.69
7.2.150.0130.01415.65
7.2.140.0180.01015.69
7.2.130.0180.00715.78
7.2.120.0170.01315.71
7.2.110.0690.00415.76
7.2.100.0100.01515.68
7.2.90.0220.00215.74
7.2.80.0190.01215.64
7.2.70.0210.00415.65
7.2.60.0160.00915.62
7.2.50.0390.00415.83
7.2.40.0200.00715.65
7.2.30.0140.01015.65
7.2.20.0150.01315.80
7.2.10.0370.00415.75
7.2.00.0170.01015.94
7.1.330.0170.01115.61
7.1.320.0140.01315.57
7.1.310.0150.00915.59
7.1.300.0230.00915.64
7.1.290.0190.01415.61
7.1.280.0160.00514.77
7.1.270.0160.00814.72
7.1.260.0150.00514.71
7.1.250.0130.01114.79
7.1.240.0130.01215.56
7.1.230.0200.00815.54
7.1.220.0210.01215.69
7.1.210.0300.00015.64
7.1.200.0240.00715.59
7.1.190.0480.00315.69
7.1.180.0240.00315.57
7.1.170.0270.00015.58
7.1.160.0350.01415.52
7.1.150.0190.00715.58
7.1.140.0180.00615.49
7.1.130.0200.00815.52
7.1.120.0170.00915.54
7.1.110.0170.00815.57
7.1.100.0140.01115.54
7.1.90.0250.00515.58
7.1.80.0240.00315.66
7.1.70.0190.00815.40
7.1.60.0180.01415.71
7.1.50.0280.00315.57
7.1.40.0200.00615.63
7.1.30.0200.01015.67
7.1.20.0250.00715.63
7.1.10.0180.00715.63
7.1.00.0500.00815.55

preferences:
29.95 ms | 403 KiB | 5 Q