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; } $x = powerSet(array(1,2)); foreach($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)
8.3.60.0140.00316.88
8.3.50.0160.00721.86
8.3.40.0070.00718.63
8.3.30.0070.00718.92
8.3.20.0040.00420.16
8.3.10.0040.00423.56
8.3.00.0060.00617.34
8.2.180.0150.00418.04
8.2.170.0040.01122.96
8.2.160.0070.00720.57
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0090.00926.16
8.2.120.0040.00422.26
8.2.110.0030.00622.04
8.2.100.0070.00717.78
8.2.90.0000.00719.05
8.2.80.0080.00017.97
8.2.70.0050.00817.38
8.2.60.0060.00317.80
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0050.00317.93
8.2.20.0070.00017.62
8.2.10.0000.00819.70
8.2.00.0060.00317.55
8.1.280.0070.00725.92
8.1.270.0060.00323.92
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00424.02
8.1.230.0090.00318.99
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0040.00417.00
8.1.190.0080.00017.30
8.1.180.0000.00818.10
8.1.170.0090.00018.46
8.1.160.0000.00722.00
8.1.150.0000.00718.51
8.1.140.0060.00317.30
8.1.130.0030.00317.66
8.1.120.0030.00417.36
8.1.110.0070.00017.30
8.1.100.0000.00717.34
8.1.90.0000.00817.22
8.1.80.0040.00417.39
8.1.70.0030.00317.30
8.1.60.0030.00617.44
8.1.50.0030.00517.35
8.1.40.0040.00417.31
8.1.30.0050.00317.32
8.1.20.0000.00717.58
8.1.10.0050.00317.39
8.1.00.0040.00417.20
8.0.300.0070.00018.77
8.0.290.0040.00417.04
8.0.280.0030.00418.23
8.0.270.0030.00317.07
8.0.260.0000.00617.11
8.0.250.0030.00316.92
8.0.240.0030.00616.89
8.0.230.0030.00316.87
8.0.220.0030.00316.71
8.0.210.0040.00416.73
8.0.200.0040.00416.79
8.0.190.0000.00816.86
8.0.180.0040.00416.90
8.0.170.0040.00416.84
8.0.160.0070.00016.81
8.0.150.0040.00416.65
8.0.140.0000.00716.80
8.0.130.0090.00013.22
8.0.120.0040.00416.79
8.0.110.0030.00616.73
8.0.100.0070.00016.88
8.0.90.0000.00716.81
8.0.80.0100.01016.76
8.0.70.0070.00016.82
8.0.60.0040.00416.89
8.0.50.0000.00716.86
8.0.30.0110.00716.92
8.0.20.0100.01017.40
8.0.10.0000.00716.93
8.0.00.0110.00716.65
7.4.330.0030.00315.10
7.4.320.0030.00316.67
7.4.300.0050.00316.63
7.4.290.0000.01016.52
7.4.280.0000.00816.43
7.4.270.0040.00416.54
7.4.260.0040.00416.65
7.4.250.0050.00316.41
7.4.240.0030.00416.57
7.4.230.0000.00616.70
7.4.220.0070.01816.70
7.4.210.0100.00716.55
7.4.200.0040.00416.27
7.4.190.0070.00016.71
7.4.160.0060.01016.46
7.4.150.0100.01017.40
7.4.140.0080.01017.86
7.4.130.0070.01016.61
7.4.120.0090.00916.50
7.4.110.0030.01416.52
7.4.100.0060.01616.52
7.4.90.0070.01616.57
7.4.80.0040.01319.39
7.4.70.0100.01016.62
7.4.60.0130.00316.64
7.4.50.0000.00716.58
7.4.40.0100.00322.77
7.4.30.0080.00816.51
7.4.00.0070.01014.95
7.3.330.0000.00613.35
7.3.320.0050.00013.24
7.3.310.0000.00716.19
7.3.300.0030.00316.37
7.3.290.0090.01216.25
7.3.280.0120.00916.35
7.3.270.0140.00717.40
7.3.260.0030.01316.51
7.3.250.0130.00416.39
7.3.240.0110.00516.41
7.3.230.0060.01216.66
7.3.210.0090.00916.36
7.3.200.0140.00419.39
7.3.190.0090.01316.36
7.3.180.0100.00716.61
7.3.170.0110.00516.36
7.3.160.0000.01516.41
7.3.120.0060.00615.11
7.2.330.0130.00616.83
7.2.320.0180.00616.89
7.2.310.0130.00316.55
7.2.300.0090.00916.82
7.2.290.0090.01216.58
7.2.60.0000.01416.80
7.2.00.0030.01019.54
7.1.200.0100.00315.70
7.1.100.0060.01017.96
7.1.70.0050.00217.09
7.1.60.0170.00719.33
7.1.50.0040.01116.98
7.1.00.0070.07322.30
7.0.200.0000.00716.52
7.0.140.0070.07022.09
7.0.80.0100.07719.87
7.0.70.0030.04319.93
7.0.60.0570.05319.90
7.0.50.0330.04020.25
7.0.40.0070.08320.11
7.0.30.0070.09020.04
7.0.20.0100.08320.09
7.0.10.0130.06320.11
7.0.00.0030.07720.16
5.6.280.0070.07020.79
5.6.230.0070.08020.51
5.6.220.0200.04720.68
5.6.210.0070.07720.65
5.6.200.0130.06021.08
5.6.190.0070.08321.01
5.6.180.0230.06321.11
5.6.170.0070.06720.95
5.6.160.0100.08021.11
5.6.150.0100.05720.94
5.6.140.0070.04021.04
5.6.130.0100.04721.00
5.6.120.0030.05721.11
5.6.110.0170.05721.02
5.6.100.0030.07020.94
5.6.90.0100.05720.92
5.6.80.0100.04020.43
5.6.70.0030.08320.49
5.6.60.0070.08320.48
5.6.50.0100.07020.41
5.6.40.0070.07320.44
5.6.30.0000.08320.34
5.6.20.0070.04020.43
5.6.10.0030.03320.29
5.6.00.0030.07020.43
5.5.370.0100.05020.37
5.5.360.0170.03320.56
5.5.350.0130.03720.38
5.5.340.0000.08720.87
5.5.330.0100.07720.91
5.5.320.0030.06320.93
5.5.310.0000.08320.91
5.5.300.0030.04020.83
5.5.290.0130.06720.81
5.5.280.0070.08020.93
5.5.270.0130.04320.91
5.5.260.0030.08720.83
5.5.250.0030.08720.74
5.5.240.0100.06720.19
5.5.230.0130.04020.25
5.5.220.0070.07020.14
5.5.210.0070.07020.27
5.5.200.0030.04320.25
5.5.190.0100.06020.09
5.5.180.0070.04319.98
5.5.160.0070.03720.24
5.5.150.0000.04320.18
5.5.140.0030.04020.16
5.5.130.0030.03320.27
5.5.120.0000.05720.23
5.5.110.0000.04020.09
5.5.100.0030.04019.98
5.5.90.0100.05719.94
5.5.80.0070.04020.01
5.5.70.0170.04020.04
5.5.60.0100.04020.09
5.5.50.0000.05320.16
5.5.40.0070.03720.13
5.5.30.0000.06320.06
5.5.20.0030.04720.14
5.5.10.0030.04320.06
5.5.00.0070.03720.06
5.4.450.0030.06019.37
5.4.440.0100.08019.36
5.4.430.0070.07719.52
5.4.420.0030.07019.36
5.4.410.0100.03719.16
5.4.400.0130.06719.09
5.4.390.0100.04719.03
5.4.380.0070.04018.94
5.4.370.0030.05719.14
5.4.360.0100.04019.12
5.4.350.0130.07019.09
5.4.340.0070.07318.90
5.4.320.0100.04718.90
5.4.310.0030.03719.18
5.4.300.0030.04319.13
5.4.290.0100.04719.20
5.4.280.0030.03718.89
5.4.270.0030.03319.13
5.4.260.0000.04319.17
5.4.250.0070.04319.20
5.4.240.0130.04019.15
5.4.230.0030.03718.87
5.4.220.0070.03718.89
5.4.210.0070.05019.20
5.4.200.0070.04318.89
5.4.190.0030.04319.11
5.4.180.0000.04319.12
5.4.170.0130.03019.18
5.4.160.0030.03318.88
5.4.150.0070.04719.07
5.4.140.0100.03316.41
5.4.130.0000.03716.36
5.4.120.0100.04016.38
5.4.110.0100.07016.46
5.4.100.0000.05716.42
5.4.90.0030.04016.43
5.4.80.0070.04716.42
5.4.70.0100.03316.41
5.4.60.0170.03316.30
5.4.50.0030.05316.33
5.4.40.0000.05016.41
5.4.30.0100.05716.46
5.4.20.0130.05316.48
5.4.10.0070.05316.43
5.4.00.0070.05315.72
5.3.290.0070.03314.59
5.3.280.0070.05314.57
5.3.270.0070.03714.53
5.3.260.0100.03314.75
5.3.250.0070.05714.54
5.3.240.0030.03714.71
5.3.230.0100.03314.53
5.3.220.0100.07314.53
5.3.210.0070.07014.66
5.3.200.0070.07014.66
5.3.190.0030.07714.63
5.3.180.0030.05014.66
5.3.170.0100.07014.50
5.3.160.0100.05014.58
5.3.150.0070.07714.45
5.3.140.0100.06714.55
5.3.130.0100.05714.61
5.3.120.0100.07314.69
5.3.110.0130.06314.57
5.3.100.0100.07314.18
5.3.90.0030.05014.07
5.3.80.0000.05014.11
5.3.70.0030.07313.95
5.3.60.0070.07314.03
5.3.50.0100.03714.01
5.3.40.0070.05013.84
5.3.30.0030.03713.94
5.3.20.0030.05013.71
5.3.10.0070.05013.59
5.3.00.0000.08013.55
5.2.170.0070.05313.53
5.2.160.0070.06013.53
5.2.150.0070.04013.53
5.2.140.0030.05313.53
5.2.130.0030.06313.53
5.2.120.0100.05013.53
5.2.110.0030.03313.53
5.2.100.0000.03313.53
5.2.90.0070.05713.53
5.2.80.0070.06013.53
5.2.70.0070.03713.53
5.2.60.0000.05013.53
5.2.50.0070.05313.53
5.2.40.0000.06013.53
5.2.30.0130.05013.53
5.2.20.0070.05713.53
5.2.10.0070.04313.53
5.2.00.0070.03313.53
5.1.60.0030.05713.53
5.1.50.0030.02713.53
5.1.40.0030.04313.53
5.1.30.0030.03013.53
5.1.20.0070.04713.53
5.1.10.0030.03013.53
5.1.00.0000.02713.53
5.0.50.0000.02313.53
5.0.40.0070.02013.53
5.0.30.0030.06313.53
5.0.20.0030.04713.53
5.0.10.0000.04713.53
5.0.00.0030.06313.53
4.4.90.0000.02013.53
4.4.80.0000.02013.53
4.4.70.0000.02313.53
4.4.60.0000.02013.53
4.4.50.0000.03313.53
4.4.40.0000.03013.53
4.4.30.0030.03713.53
4.4.20.0070.02013.53
4.4.10.0070.01013.53
4.4.00.0000.02713.53
4.3.110.0030.01713.53
4.3.100.0030.03713.53
4.3.90.0000.02713.53
4.3.80.0030.03313.53
4.3.70.0070.02313.53
4.3.60.0000.03013.53
4.3.50.0030.03013.53
4.3.40.0000.05013.53
4.3.30.0030.03713.53
4.3.20.0000.03713.53
4.3.10.0030.02713.53
4.3.00.0000.02013.53

preferences:
41.46 ms | 401 KiB | 5 Q