3v4l.org

run code in 300+ PHP versions simultaneously
<?php function powerSet($in,$minLength = 1) { $count = count($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; $j++) { if ($b{$j} == '1') $out[] = $in[$j]; } if (count($out) >= $minLength) { $return[] = $out; } } return $return; } $x = powerSet(array(1,1)); foreach($x as $r) { echo implode($r, ' ') . "\n"; }

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)
8.3.60.0120.00318.68
8.3.50.0180.00521.99
8.3.40.0170.00018.67
8.3.30.0070.01518.59
8.3.20.0150.00418.64
8.3.10.0030.00620.39
8.3.00.0040.00421.60
8.2.180.0110.00716.50
8.2.170.0070.00722.96
8.2.160.0040.01120.52
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00919.36
8.2.110.0060.00320.92
8.2.100.0000.01117.72
8.2.90.0040.00419.07
8.2.80.0040.00417.97
8.2.70.0000.00917.38
8.2.60.0040.00417.68
8.2.50.0090.00018.07
8.2.40.0000.00818.16
8.2.30.0030.00519.59
8.2.20.0040.00417.64
8.2.10.0060.00317.43
8.2.00.0040.00417.43
8.1.280.0120.00625.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00422.38
8.1.230.0080.00320.94
8.1.220.0080.00018.77
8.1.210.0040.00418.92
8.1.200.0030.00617.22
8.1.190.0040.00417.40
8.1.180.0000.00918.10
8.1.170.0040.00418.66
8.1.160.0000.00718.69
8.1.150.0050.00318.41
8.1.140.0070.00017.35
8.1.130.0030.00317.74
8.1.120.0040.00317.32
8.1.110.0000.00717.30
8.1.100.0030.00417.32
8.1.90.0000.00717.22
8.1.80.0040.00417.37
8.1.70.0050.00317.30
8.1.60.0000.00917.43
8.1.50.0040.00417.36
8.1.40.0000.00717.27
8.1.30.0040.00417.53
8.1.20.0000.00817.35
8.1.10.0000.00817.28
8.1.00.0000.00717.29
8.0.300.0030.00719.92
8.0.290.0070.00016.58
8.0.280.0070.00018.25
8.0.270.0000.00717.17
8.0.260.0030.00316.82
8.0.250.0040.00416.80
8.0.240.0040.00716.85
8.0.230.0000.00716.78
8.0.220.0040.00416.78
8.0.210.0030.00316.79
8.0.200.0070.00016.84
8.0.190.0040.00416.91
8.0.180.0000.00716.86
8.0.170.0000.00816.86
8.0.160.0050.00216.71
8.0.150.0060.00316.84
8.0.140.0060.00316.86
8.0.130.0080.00013.25
8.0.120.0040.00416.74
8.0.110.0000.00716.61
8.0.100.0000.00716.77
8.0.90.0040.00416.72
8.0.80.0070.00716.77
8.0.70.0040.00416.70
8.0.60.0040.00416.93
8.0.50.0080.00016.73
8.0.30.0110.00717.00
8.0.20.0120.00717.40
8.0.10.0000.00816.80
8.0.00.0100.01216.54
7.4.330.0000.00513.43
7.4.320.0030.00316.54
7.4.300.0060.00016.64
7.4.290.0000.00716.45
7.4.280.0050.00316.64
7.4.270.0030.00316.66
7.4.260.0030.00313.22
7.4.250.0070.00016.50
7.4.240.0030.00316.54
7.4.230.0070.00016.63
7.4.220.0170.00716.59
7.4.210.0050.01016.54
7.4.200.0030.00316.71
7.4.190.0040.00416.56
7.4.160.0130.01016.57
7.4.150.0070.01117.40
7.4.140.0060.01217.86
7.4.130.0100.00816.57
7.4.120.0110.00616.49
7.4.110.0100.00716.63
7.4.100.0080.00816.57
7.4.90.0120.00616.59
7.4.80.0130.00619.37
7.4.70.0070.01016.59
7.4.60.0090.01216.61
7.4.50.0000.00816.41
7.4.40.0070.01022.27
7.4.30.0090.01016.60
7.4.00.0070.01115.06
7.3.330.0020.00213.16
7.3.320.0050.00013.38
7.3.310.0030.00316.19
7.3.300.0050.00316.18
7.3.290.0030.01216.26
7.3.280.0090.00616.31
7.3.270.0100.00717.40
7.3.260.0090.01018.24
7.3.250.0110.00916.60
7.3.240.0120.00416.41
7.3.230.0120.00616.60
7.3.210.0030.01316.63
7.3.200.0070.01019.39
7.3.190.0150.00316.41
7.3.180.0130.00316.54
7.3.170.0090.00616.47
7.3.160.0090.00616.59
7.3.120.0050.01314.93
7.3.110.0100.00414.79
7.3.100.0050.01115.10
7.3.90.0050.00714.76
7.3.80.0050.00814.96
7.3.70.0040.00914.66
7.3.60.0030.01314.79
7.3.50.0060.00714.68
7.3.40.0040.00914.89
7.3.30.0060.00914.91
7.3.20.0070.00716.60
7.3.10.0040.00916.80
7.3.00.0050.01016.64
7.2.330.0150.00316.68
7.2.320.0090.00916.86
7.2.310.0030.01416.44
7.2.300.0040.01216.67
7.2.290.0080.00816.64
7.2.250.0110.00615.13
7.2.240.0040.01215.20
7.2.230.0070.00815.08
7.2.220.0040.01115.11
7.2.210.0020.01015.13
7.2.200.0020.01015.12
7.2.190.0060.00814.97
7.2.180.0060.00615.14
7.2.170.0020.01215.09
7.2.160.0050.00815.12
7.2.150.0040.00916.79
7.2.140.0050.01116.92
7.2.130.0080.00616.97
7.2.120.0080.00616.88
7.2.110.0080.00717.03
7.2.100.0060.00616.70
7.2.90.0040.01416.75
7.2.80.0060.00917.01
7.2.70.0030.00816.80
7.2.60.0070.00916.94
7.2.50.0120.00516.87
7.2.40.0070.00716.97
7.2.30.0090.00617.12
7.2.20.0020.01317.10
7.2.10.0050.01017.02
7.2.00.0070.00917.71
7.1.330.0060.00815.88
7.1.320.0020.00915.76
7.1.310.0060.00815.67
7.1.300.0060.00715.86
7.1.290.0040.00815.88
7.1.280.0060.00515.70
7.1.270.0060.00815.75
7.1.260.0070.00515.86
7.1.250.0040.00615.80
7.1.240.0060.00815.93
7.1.230.0030.00715.97
7.1.220.0090.00315.84
7.1.210.0120.00615.86
7.1.200.0070.00715.81
7.1.190.0040.01115.84
7.1.180.0080.00815.86
7.1.170.0030.01315.83
7.1.160.0030.01315.74
7.1.150.0060.00915.82
7.1.140.0130.00315.59
7.1.130.0030.00715.82
7.1.120.0070.00316.02
7.1.110.0150.00015.68
7.1.100.0090.00417.02
7.1.90.0140.00015.86
7.1.80.0070.00715.71
7.1.70.0060.00616.34
7.1.60.0090.01017.67
7.1.50.0060.00616.43
7.1.40.0040.01115.82
7.1.30.0100.00015.95
7.1.20.0060.00615.82
7.1.10.0110.00415.69
7.1.00.0070.03019.19
7.0.330.0040.01115.39
7.0.320.0070.00715.21
7.0.310.0090.00615.63
7.0.300.0000.01215.55
7.0.290.0070.00715.24
7.0.280.0070.00415.37
7.0.270.0040.00715.46
7.0.260.0000.01415.42
7.0.250.0070.00715.60
7.0.240.0060.00915.61
7.0.230.0090.00615.39
7.0.220.0030.01015.52
7.0.210.0030.01015.61
7.0.200.0130.00615.07
7.0.190.0030.01015.47
7.0.180.0040.01115.45
7.0.170.0060.00315.57
7.0.160.0060.01115.42
7.0.150.0070.00715.58
7.0.140.0080.03518.70
7.0.130.0040.00415.57
7.0.120.0090.00315.29
7.0.110.0070.00715.42
7.0.100.0070.00715.24
7.0.90.0060.00915.28
7.0.80.0110.00015.31
7.0.70.0030.00515.45
7.0.60.0020.04817.79
7.0.50.0030.04316.77
7.0.40.0050.04016.67
7.0.30.0100.03516.89
7.0.20.0160.02916.95
7.0.10.0050.03716.82
7.0.00.0120.04216.92
5.6.400.0070.00414.24
5.6.390.0090.00614.50
5.6.380.0070.00714.05
5.6.370.0080.00814.38
5.6.360.0070.01114.63
5.6.350.0030.01414.69
5.6.340.0040.01114.35
5.6.330.0080.00814.65
5.6.320.0040.01114.76
5.6.310.0090.00614.72
5.6.300.0060.00314.06
5.6.290.0000.01514.80
5.6.280.0000.04617.70
5.6.270.0090.00614.15
5.6.260.0100.00614.37
5.6.250.0100.00714.75
5.6.240.0070.01014.77
5.6.230.0000.01214.66
5.6.220.0040.00814.43
5.6.210.0070.04517.62
5.6.200.0040.04316.28
5.6.190.0050.02717.56
5.6.180.0220.04317.53
5.6.170.0090.02517.41
5.6.160.0020.03817.54
5.6.150.0100.02016.31
5.6.140.0060.04116.25
5.6.130.0050.04716.24
5.6.120.0030.02517.65
5.6.110.0090.04717.83
5.6.100.0090.04417.69
5.6.90.0080.04317.77
5.6.80.0070.04117.57
5.6.70.0000.01214.57
5.6.60.0070.00714.54
5.6.50.0070.00714.30
5.6.40.0060.00614.21
5.6.30.0030.01314.26
5.6.20.0120.00314.32
5.6.10.0110.00314.36
5.6.00.0000.01014.63
5.5.380.0090.00014.41
5.5.370.0100.00314.49
5.5.360.0070.00714.42
5.5.350.0150.02417.50
5.5.340.0140.03816.14
5.5.330.0000.03217.34
5.5.320.0180.02317.39
5.5.310.0140.02217.22
5.5.300.0060.04316.23
5.5.290.0020.03416.30
5.5.280.0050.04417.50
5.5.270.0070.04217.67
5.5.260.0100.02117.63
5.5.250.0080.04117.51
5.5.240.0050.04417.37
5.5.230.0030.00714.58
5.5.220.0070.01014.44
5.5.210.0100.00714.16
5.5.200.0060.00914.33
5.5.190.0100.00714.35
5.5.180.0030.01014.46
5.5.170.0030.01014.38
5.5.160.0060.00914.31
5.5.150.0100.00014.52
5.5.140.0100.00014.21
5.5.130.0060.00614.33
5.5.120.0050.00514.58
5.5.110.0040.00814.12
5.5.100.0000.01014.16
5.5.90.0040.01114.41
5.5.80.0100.00714.07
5.5.70.0030.01414.60
5.5.60.0030.00614.16
5.5.50.0070.00714.18
5.5.40.0030.00714.26
5.5.30.0090.00014.44
5.5.20.0110.00414.37
5.5.10.0060.00914.42
5.5.00.0030.01014.33
5.4.450.0120.03015.48
5.4.440.0120.02815.48
5.4.430.0140.03615.46
5.4.420.0170.03715.47
5.4.410.0130.02515.22
5.4.400.0170.02015.22
5.4.390.0120.04115.12
5.4.380.0100.04115.14
5.4.370.0120.02215.27
5.4.360.0100.02815.18
5.4.350.0080.04315.36
5.4.340.0050.04115.36
5.4.330.0030.00711.39
5.4.320.0130.03015.19
5.4.310.0130.02215.24
5.4.300.0150.03815.23
5.4.290.0130.02315.24
5.4.280.0180.03315.24
5.4.270.0130.04015.29
5.4.260.0150.03215.18
5.4.250.0150.03315.16
5.4.240.0190.03015.23
5.4.230.0130.03815.26
5.4.220.0200.03015.17
5.4.210.0150.03815.34
5.4.200.0100.03115.30
5.4.190.0160.03915.18
5.4.180.0130.03315.29
5.4.170.0150.03315.31
5.4.160.0130.03115.28
5.4.150.0050.02815.24
5.4.140.0180.03213.95
5.4.130.0110.04113.94
5.4.120.0190.03313.94
5.4.110.0100.03613.92
5.4.100.0170.02214.00
5.4.90.0110.03613.79
5.4.80.0120.03713.99
5.4.70.0150.03613.91
5.4.60.0080.04313.96
5.4.50.0160.02813.96
5.4.40.0150.03913.91
5.4.30.0180.03313.95
5.4.20.0170.03013.91
5.4.10.0120.03913.88
5.4.00.0130.02713.67
5.3.290.0140.03313.02
5.3.280.0170.03713.05
5.3.270.0080.04112.96
5.3.260.0130.03612.95
5.3.250.0130.03113.04
5.3.240.0100.03813.06
5.3.230.0130.03113.04
5.3.220.0080.04312.98
5.3.210.0200.02513.09
5.3.200.0150.02013.09
5.3.190.0080.02912.94
5.3.180.0100.02713.09
5.3.170.0170.03812.93
5.3.160.0090.03412.94
5.3.150.0100.04312.98
5.3.140.0200.03413.05
5.3.130.0070.03812.93
5.3.120.0100.03312.98
5.3.110.0140.02212.92
5.3.100.0140.03712.70
5.3.90.0130.03812.71
5.3.80.0140.02712.71
5.3.70.0180.02012.71
5.3.60.0140.02112.66
5.3.50.0150.02312.63
5.3.40.0120.03912.69
5.3.30.0080.02312.62
5.3.20.0080.03912.55
5.3.10.0080.02512.63
5.3.00.0080.03912.47
5.2.170.0100.05712.04
5.2.160.0100.04012.04
5.2.150.0230.03312.04
5.2.140.0100.04012.04
5.2.130.0030.04312.04
5.2.120.0130.05312.04
5.2.110.0130.04012.04
5.2.100.0170.03712.04
5.2.90.0130.05012.04
5.2.80.0170.05712.04
5.2.70.0100.04012.04
5.2.60.0200.04312.04
5.2.50.0230.03712.04
5.2.40.0200.05312.04
5.2.30.0130.05712.04
5.2.20.0100.04712.04
5.2.10.0130.04012.04
5.2.00.0230.05312.04
5.1.60.0130.04712.04
5.1.50.0100.02312.04
5.1.40.0030.03312.04
5.1.30.0170.02312.04
5.1.20.0130.03012.04
5.1.10.0170.04712.04
5.1.00.0130.05012.04
5.0.50.0030.04312.04
5.0.40.0100.03312.04
5.0.30.0100.06012.04
5.0.20.0100.02312.04
5.0.10.0130.04012.04
5.0.00.0070.05312.04
4.4.90.0030.01712.04
4.4.80.0070.02012.04
4.4.70.0070.01712.04
4.4.60.0100.02712.04
4.4.50.0100.02012.04
4.4.40.0100.03312.04
4.4.30.0100.01712.04
4.4.20.0130.03012.04
4.4.10.0100.02712.04
4.4.00.0070.05712.04
4.3.110.0170.00712.04
4.3.100.0030.02312.04
4.3.90.0030.02312.04
4.3.80.0030.05312.04
4.3.70.0100.01712.04
4.3.60.0100.01712.04
4.3.50.0070.03712.04
4.3.40.0070.04012.04
4.3.30.0000.03012.04
4.3.20.0070.02712.04
4.3.10.0030.03712.04
4.3.00.0170.00712.04

preferences:
39.95 ms | 401 KiB | 5 Q