3v4l.org

run code in 300+ PHP versions simultaneously
<?php function powerSet(Iterator $iterator){ if(!$iterator->valid()){ return yield new EmptyIterator(); } $one = $iterator->current(); $rest = new NoRewindIterator($iterator); $rest->next(); foreach(powerSet($rest) as $set){ $set = iterator_to_array($set); yield new ArrayIterator($set); yield (function($set, $one){ yield from $set; yield $one; })($set, $one); } } function baz(){ yield 1; yield 2; yield 3; yield 4; } $sets = powerSet(baz()); foreach($sets as $i => $set){ echo $i+1 . " {"; $arr = iterator_to_array($set); echo implode(", ", $arr); echo "}\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)
8.5.30.0090.01118.76
8.5.20.0090.00820.23
8.5.10.0060.01219.96
8.5.00.0160.00920.09
8.4.180.0080.00319.61
8.4.170.0140.00919.50
8.4.160.0110.01123.84
8.4.150.0070.00516.90
8.4.140.0090.01217.60
8.4.130.0080.00617.72
8.4.120.0030.00617.77
8.4.110.0070.01320.65
8.4.100.0140.00717.70
8.4.90.0130.00720.36
8.4.80.0120.00718.82
8.4.70.0160.00619.10
8.4.60.0130.00920.64
8.4.50.0120.00817.66
8.4.40.0050.00319.32
8.4.30.0150.00617.83
8.4.20.0030.00617.76
8.4.10.0130.00317.44
8.3.300.0070.01420.32
8.3.290.0110.00820.95
8.3.280.0140.00718.49
8.3.270.0100.01116.66
8.3.260.0070.00316.61
8.3.250.0050.00318.87
8.3.240.0090.01016.62
8.3.230.0140.00516.64
8.3.220.0090.00919.12
8.3.210.0160.00416.81
8.3.200.0030.00616.56
8.3.190.0140.00617.03
8.3.180.0050.00516.53
8.3.170.0120.00619.09
8.3.160.0040.00418.43
8.3.150.0080.00020.50
8.3.140.0080.00019.03
8.3.130.0030.00618.23
8.3.120.0050.00518.99
8.3.110.0060.00320.94
8.3.100.0000.00918.10
8.3.90.0070.00726.77
8.3.80.0090.00018.56
8.3.70.0070.01518.18
8.3.60.0160.00618.31
8.3.50.0050.01021.95
8.3.40.0110.00418.79
8.3.30.0040.01818.75
8.3.20.0060.00321.11
8.3.10.0080.00021.93
8.3.00.0000.00820.87
8.2.300.0160.00722.11
8.2.290.0120.00816.73
8.2.280.0080.01118.39
8.2.270.0060.01217.29
8.2.260.0050.00316.59
8.2.250.0000.01016.96
8.2.240.0000.00919.05
8.2.230.0000.00822.58
8.2.220.0060.00337.54
8.2.210.0080.00026.77
8.2.200.0040.00418.57
8.2.190.0060.01216.63
8.2.180.0120.00318.16
8.2.170.0040.01122.96
8.2.160.0080.00820.53
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0080.00021.02
8.2.110.0070.00320.38
8.2.100.0070.00417.91
8.2.90.0030.00520.39
8.2.80.0000.00917.97
8.2.70.0080.00017.62
8.2.60.0040.00418.22
8.2.50.0050.00518.10
8.2.40.0040.00422.29
8.2.30.0000.00819.30
8.2.20.0030.00617.62
8.2.10.0050.00318.02
8.2.00.0040.00418.21
8.1.340.0090.01217.50
8.1.330.0130.00616.33
8.1.320.0130.00617.91
8.1.310.0060.00316.35
8.1.300.0080.00020.17
8.1.290.0060.00318.88
8.1.280.0150.00025.92
8.1.270.0080.00024.66
8.1.260.0090.00026.35
8.1.250.0120.00428.09
8.1.240.0090.00020.89
8.1.230.0070.00422.78
8.1.220.0040.00417.79
8.1.210.0050.00318.89
8.1.200.0030.00717.35
8.1.190.0080.00017.35
8.1.180.0060.00318.10
8.1.170.0060.00318.71
8.1.160.0030.00519.07
8.1.150.0040.00418.94
8.1.140.0030.00519.63
8.1.130.0040.00417.54
8.1.120.0040.00417.59
8.1.110.0040.00417.49
8.1.100.0050.00317.41
8.1.90.0050.00317.54
8.1.80.0030.00617.40
8.1.70.0000.00717.39
8.1.60.0000.00817.60
8.1.50.0030.00617.46
8.1.40.0000.00817.50
8.1.30.0040.00417.70
8.1.20.0040.00417.77
8.1.10.0030.00517.67
8.1.00.0070.00017.54
8.0.300.0080.00020.08
8.0.290.0000.00716.88
8.0.280.0040.00418.48
8.0.270.0030.00316.86
8.0.260.0040.00416.92
8.0.250.0040.00416.96
8.0.240.0000.00717.04
8.0.230.0070.00017.04
8.0.220.0030.00316.89
8.0.210.0070.00316.92
8.0.200.0030.00717.05
8.0.190.0030.00316.94
8.0.180.0000.00717.04
8.0.170.0000.00817.08
8.0.160.0040.00416.96
8.0.150.0000.00717.02
8.0.140.0070.00016.94
8.0.130.0060.00013.37
8.0.120.0000.00816.85
8.0.110.0000.00716.88
8.0.100.0040.00417.05
8.0.90.0040.00416.96
8.0.80.0060.00916.93
8.0.70.0000.00816.86
8.0.60.0040.00416.87
8.0.50.0000.00816.79
8.0.30.0170.00317.06
8.0.20.0080.01517.41
8.0.10.0040.00417.12
8.0.00.0070.01116.85
7.4.330.0020.00215.08
7.4.320.0030.00316.46
7.4.300.0000.00616.64
7.4.290.0000.00716.57
7.4.280.0040.00416.59
7.4.270.0000.00716.66
7.4.260.0040.00416.62
7.4.250.0070.00016.50
7.4.240.0030.00316.52
7.4.230.0030.00316.39
7.4.220.0070.01416.38
7.4.210.0090.00616.71
7.4.200.0030.00316.55
7.4.160.0080.00816.58
7.4.150.0040.01517.40
7.4.140.0110.01017.86
7.4.130.0040.01316.68
7.4.120.0090.00816.49
7.4.110.0080.00816.38
7.4.100.0090.00916.52
7.4.90.0070.01016.52
7.4.80.0030.01719.39
7.4.70.0060.01116.47
7.4.60.0060.01216.49
7.4.50.0070.00716.58
7.4.40.0090.00916.71
7.4.30.0140.00716.58
7.4.00.0070.01015.23
7.3.330.0030.00413.36
7.3.320.0040.00413.18
7.3.310.0030.00316.26
7.3.300.0030.00316.35
7.3.290.0100.00516.37
7.3.280.0080.00916.40
7.3.270.0160.00817.40
7.3.260.0110.00716.40
7.3.250.0120.00816.53
7.3.240.0070.01316.44
7.3.230.0070.01116.53
7.3.210.0100.00716.60
7.3.200.0120.00616.45
7.3.190.0080.01416.66
7.3.180.0190.00316.41
7.3.170.0100.01916.37
7.3.160.0100.00616.51
7.3.10.0090.00816.43
7.3.00.0090.00816.63
7.2.330.0140.00716.92
7.2.320.0130.00716.64
7.2.310.0160.00316.92
7.2.300.0180.00916.64
7.2.290.0040.01216.76
7.2.130.0060.01216.69
7.2.120.0080.00816.67
7.2.110.0080.01016.65
7.2.100.0080.00716.68
7.2.90.0090.00716.84
7.2.80.0080.00716.60
7.2.70.0140.00516.84
7.2.60.0060.00616.65
7.2.50.0110.00716.77
7.2.40.0100.00417.01
7.2.30.0100.00616.72
7.2.20.0070.00916.82
7.2.10.0140.00316.81
7.2.00.0090.00516.98
7.1.250.0140.00415.38
7.1.200.0030.00715.83
7.1.70.0040.00417.17
7.1.60.0120.00419.47
7.1.50.0280.01034.84
7.1.00.0000.08022.40
7.0.200.0000.00916.92
7.0.60.0170.05320.02
7.0.50.1200.05320.47
7.0.40.1100.05020.34
7.0.30.1170.05720.34
7.0.20.1200.05720.42
7.0.10.1130.07020.38
7.0.00.1230.05720.30
5.6.280.0000.07720.89
5.6.210.0030.06720.73
5.6.200.1170.07721.17
5.6.190.1030.06021.16
5.6.180.1030.07321.00
5.6.170.0970.05721.15
5.6.160.1000.05721.05
5.6.150.0970.07721.15
5.6.140.0930.06021.03
5.6.130.1030.07021.20
5.6.120.0270.05021.05
5.6.110.0400.05721.12
5.6.100.0970.06721.03
5.6.90.1070.06321.04
5.6.80.0930.06020.44
5.6.70.1200.04320.52
5.6.60.1000.05320.41
5.6.50.1100.04320.41
5.6.40.0800.06320.39
5.6.30.0970.05320.51
5.6.20.0900.07020.41
5.6.10.0930.05320.56
5.6.00.0830.05320.50
5.5.350.0500.06020.36
5.5.340.0970.06020.80
5.5.330.1000.07320.77
5.5.320.1000.06020.97
5.5.310.1030.05020.71
5.5.300.1130.04020.86
5.5.290.0970.05720.88
5.5.280.0070.06720.86
5.5.270.1200.06321.02
5.5.260.1170.06320.77
5.5.250.0970.06720.62
5.5.240.1070.07020.26
5.5.230.0970.05720.22
5.5.220.1030.06720.24
5.5.210.0930.08320.15
5.5.200.1030.07320.07
5.5.190.1000.06020.35
5.5.180.0970.05320.07
5.5.160.1170.06020.16
5.5.150.1070.04720.35
5.5.140.1070.05320.35
5.5.130.1270.05320.09
5.5.120.0970.05720.39
5.5.110.1100.05320.18
5.5.100.1170.05720.05
5.5.90.1000.05320.05
5.5.80.1100.05720.15
5.5.70.0970.05320.17
5.5.60.0970.05320.07
5.5.50.1070.05020.06
5.5.40.1100.04720.13
5.5.30.0970.05720.26
5.5.20.0930.06720.17
5.5.10.1070.05720.04
5.5.00.1070.04719.96

preferences:
47.54 ms | 1706 KiB | 5 Q