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); echo $b . "\n"; $out = array(); for ($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)
8.3.60.0150.00618.43
8.3.50.0120.00721.09
8.3.40.0040.01118.75
8.3.30.0110.00418.34
8.3.20.0040.00418.60
8.3.10.0000.00920.26
8.3.00.0000.00823.49
8.2.180.0070.01416.63
8.2.170.0120.00322.96
8.2.160.0130.00020.39
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00419.33
8.2.110.0070.00422.22
8.2.100.0090.00317.72
8.2.90.0040.00419.09
8.2.80.0030.00717.97
8.2.70.0000.00817.38
8.2.60.0040.00417.68
8.2.50.0050.00318.07
8.2.40.0000.00718.09
8.2.30.0040.00419.72
8.2.20.0070.00019.20
8.2.10.0070.00017.62
8.2.00.0040.00417.48
8.1.280.0090.00625.92
8.1.270.0000.00723.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00822.36
8.1.230.0040.00720.85
8.1.220.0080.00018.77
8.1.210.0080.00018.97
8.1.200.0030.00617.23
8.1.190.0080.00017.41
8.1.180.0040.00418.10
8.1.170.0040.00418.76
8.1.160.0040.00418.76
8.1.150.0000.00818.57
8.1.140.0000.00717.35
8.1.130.0030.00317.69
8.1.120.0070.00017.34
8.1.110.0040.00417.35
8.1.100.0000.00817.38
8.1.90.0000.00717.25
8.1.80.0080.00017.28
8.1.70.0050.00317.26
8.1.60.0090.00017.44
8.1.50.0040.00417.38
8.1.40.0040.00417.25
8.1.30.0080.00017.55
8.1.20.0060.00317.55
8.1.10.0040.00417.39
8.1.00.0000.00717.32
8.0.300.0030.00619.74
8.0.290.0060.00316.63
8.0.280.0070.00018.39
8.0.270.0070.00017.12
8.0.260.0030.00316.66
8.0.250.0040.00416.91
8.0.240.0030.00616.83
8.0.230.0030.00516.77
8.0.220.0030.00316.83
8.0.210.0000.00716.84
8.0.200.0000.00616.94
8.0.190.0000.00816.79
8.0.180.0000.00716.74
8.0.170.0040.00416.78
8.0.160.0040.00416.78
8.0.150.0040.00416.75
8.0.140.0030.00616.62
8.0.130.0000.00513.33
8.0.120.0070.00016.76
8.0.110.0030.00516.66
8.0.100.0050.00316.81
8.0.90.0040.00416.72
8.0.80.0040.01116.74
8.0.70.0000.00716.83
8.0.60.0040.00416.65
8.0.50.0070.00016.85
8.0.30.0170.00617.01
8.0.20.0150.00617.40
8.0.10.0080.00016.96
8.0.00.0110.00716.72
7.4.330.0000.00514.78
7.4.320.0000.00716.48
7.4.300.0030.00316.43
7.4.290.0030.00316.54
7.4.280.0080.00016.61
7.4.270.0000.00716.54
7.4.260.0000.00613.27
7.4.250.0040.00416.46
7.4.240.0000.00716.58
7.4.230.0030.00316.71
7.4.220.0120.00616.54
7.4.210.0070.01016.63
7.4.200.0000.00816.41
7.4.190.0030.00316.79
7.4.160.0080.00816.70
7.4.150.0090.01617.40
7.4.140.0070.01017.86
7.4.130.0090.00916.56
7.4.120.0080.01116.59
7.4.110.0140.00416.47
7.4.100.0140.01016.54
7.4.90.0100.01316.50
7.4.80.0090.01319.04
7.4.70.0090.00916.48
7.4.60.0090.00616.48
7.4.50.0000.00716.51
7.4.40.0080.00822.27
7.4.30.0080.01316.42
7.4.00.0040.01414.95
7.3.330.0000.00513.25
7.3.320.0000.00613.23
7.3.310.0030.00316.36
7.3.300.0030.00316.18
7.3.290.0070.00716.32
7.3.280.0130.00416.31
7.3.270.0090.00917.40
7.3.260.0130.01018.24
7.3.250.0080.01216.46
7.3.240.0130.00816.52
7.3.230.0070.01116.44
7.3.210.0100.00716.34
7.3.200.0150.00619.39
7.3.190.0090.00916.59
7.3.180.0090.00616.57
7.3.170.0140.00416.41
7.3.160.0060.01316.59
7.3.120.0090.00314.93
7.2.330.0070.01116.52
7.2.320.0070.01016.78
7.2.310.0300.02616.62
7.2.300.0130.00316.80
7.2.290.0100.00616.84
7.2.00.0040.01119.23
7.1.100.0000.01017.99
7.1.70.0100.00017.26
7.1.60.0100.01019.40
7.1.50.0100.01016.76
7.1.00.0100.04322.45
7.0.200.0070.00216.93
7.0.140.0030.07321.97
7.0.60.0130.07019.97
7.0.50.0100.08317.96
7.0.40.0100.06017.79
7.0.30.0070.08717.77
7.0.20.0130.08317.82
7.0.10.0070.08017.68
7.0.00.0100.08017.85
5.6.280.0030.07321.13
5.6.210.0100.07020.48
5.6.200.0070.08318.11
5.6.190.0100.04018.18
5.6.180.0000.04718.14
5.6.170.0070.05718.18
5.6.160.0100.07718.18
5.6.150.0070.08318.29
5.6.140.0100.07318.15
5.6.130.0130.07718.12
5.6.120.0100.03718.13
5.6.110.0100.04018.17
5.6.100.0070.08018.26
5.6.90.0070.08018.26
5.6.80.0070.07717.56
5.6.70.0100.03317.66
5.6.60.0070.07717.49
5.6.50.0030.08717.56
5.6.40.0170.06717.64
5.6.30.0130.04317.54
5.6.20.0100.07017.59
5.6.10.0130.07317.51
5.6.00.0130.07017.53
5.5.350.0070.07320.47
5.5.340.0130.07317.98
5.5.330.0070.04317.98
5.5.320.0130.05317.96
5.5.310.0100.04018.08
5.5.300.0130.07018.09
5.5.290.0070.07317.99
5.5.280.0070.06717.98
5.5.270.0130.08017.98
5.5.260.0030.06718.06
5.5.250.0130.03017.77
5.5.240.0030.04717.43
5.5.230.0070.04317.30
5.5.220.0100.07317.33
5.5.210.0100.07717.35
5.5.200.0070.06017.34
5.5.190.0070.08017.30
5.5.180.0100.07717.33
5.5.160.0100.07017.42
5.5.150.0070.07717.29
5.5.140.0030.04017.30
5.5.130.0030.06317.33
5.5.120.0030.04017.37
5.5.110.0100.06017.29
5.5.100.0070.07017.22
5.5.90.0070.04717.24
5.5.80.0030.05317.27
5.5.70.0070.05317.33
5.5.60.0070.04317.16
5.5.50.0030.04017.32
5.5.40.0030.04017.32
5.5.30.0100.07017.20
5.5.20.0130.06317.21
5.5.10.0070.06717.21
5.5.00.0100.04317.18
5.4.450.0170.07719.34
5.4.440.0070.05019.60
5.4.430.0130.04319.42
5.4.420.0100.07719.38
5.4.410.0070.04019.25
5.4.400.0100.06719.27
5.4.390.0100.03719.27
5.4.380.0100.07319.27
5.4.370.0000.05719.09
5.4.360.0070.07719.10
5.4.350.0070.07319.03
5.4.340.0070.08018.89
5.4.320.0030.07719.05
5.4.310.0070.08019.05
5.4.300.0030.04719.02
5.4.290.0030.04018.98
5.4.280.0070.05019.10
5.4.270.0100.07319.27
5.4.260.0170.04719.14
5.4.250.0100.06019.09
5.4.240.0070.06019.12
5.4.230.0030.05719.02
5.4.220.0170.06718.98
5.4.210.0070.05019.00
5.4.200.0070.04018.95
5.4.190.0000.04718.94
5.4.180.0130.06719.02
5.4.170.0130.03319.10
5.4.160.0170.03719.12
5.4.150.0100.07719.11
5.4.140.0070.03716.47
5.4.130.0000.05716.59
5.4.120.0000.07016.61
5.4.110.0030.03716.53
5.4.100.0000.05716.23
5.4.90.0100.06016.59
5.4.80.0070.06016.46
5.4.70.0070.07016.30
5.4.60.0030.05016.43
5.4.50.0030.05316.57
5.4.40.0070.07016.45
5.4.30.0030.06316.35
5.4.20.0070.06316.38
5.4.10.0070.03716.30
5.4.00.0030.03715.75
5.3.290.0070.07314.63
5.3.280.0070.04714.61
5.3.270.0030.08314.57
5.3.260.0070.07714.60
5.3.250.0130.05014.59
5.3.240.0100.03314.82
5.3.230.0200.06014.59
5.3.220.0070.07014.63
5.3.210.0130.03014.62
5.3.200.0100.07014.58
5.3.190.0070.05014.57
5.3.180.0100.07314.59
5.3.170.0030.06314.77
5.3.160.0030.04014.52
5.3.150.0100.06714.64
5.3.140.0030.04014.57
5.3.130.0030.05714.60
5.3.120.0070.07714.55
5.3.110.0100.04714.58
5.3.100.0030.03713.98
5.3.90.0030.04314.00
5.3.80.0100.07014.05
5.3.70.0070.04014.04
5.3.60.0030.04014.06
5.3.50.0000.04713.96
5.3.40.0070.07313.86
5.3.30.0100.03713.95
5.3.20.0070.08013.91
5.3.10.0070.06713.55
5.3.00.0100.04313.62
5.2.170.0100.03711.19
5.2.160.0030.05711.00
5.2.150.0030.03011.19
5.2.140.0100.05710.99
5.2.130.0030.06711.15
5.2.120.0070.03011.21
5.2.110.0030.06311.07
5.2.100.0100.06011.16
5.2.90.0030.06311.13
5.2.80.0070.06011.13
5.2.70.0070.06011.10
5.2.60.0100.05011.15
5.2.50.0030.06311.02
5.2.40.0000.06011.06
5.2.30.0030.06310.98
5.2.20.0030.05310.92
5.2.10.0100.03310.88
5.2.00.0000.03310.75
5.1.60.0000.03710.21
5.1.50.0030.03010.07
5.1.40.0000.0439.82
5.1.30.0030.02710.38
5.1.20.0100.05710.45
5.1.10.0100.04310.14
5.1.00.0030.05010.28
5.0.50.0030.0308.62
5.0.40.0030.0408.33
5.0.30.0130.0578.44
5.0.20.0030.0438.20
5.0.10.0030.0238.22
5.0.00.0030.0638.14
4.4.90.0030.0307.59
4.4.80.0000.0377.59
4.4.70.0070.0337.59
4.4.60.0030.0277.59
4.4.50.0000.0337.59
4.4.40.0000.0377.59
4.4.30.0000.0237.59
4.4.20.0000.0377.59
4.4.10.0030.0307.59
4.4.00.0030.0337.59
4.3.110.0000.0177.59
4.3.100.0000.0407.59
4.3.90.0000.0277.59
4.3.80.0000.0277.59
4.3.70.0070.0237.59
4.3.60.0000.0177.59
4.3.50.0070.0337.59
4.3.40.0030.0237.59
4.3.30.0030.0137.59
4.3.20.0000.0377.59
4.3.10.0000.0337.59
4.3.00.0000.0377.59

preferences:
63.25 ms | 401 KiB | 5 Q