3v4l.org

run code in 300+ PHP versions simultaneously
<?php function computeCombination(array $source,$picks,$startIndex=0,array $pad=array()) { if($picks<=0) { return $pad; } elseif($picks>=count($source)-$startIndex) { return array(array_merge($pad,array_slice($source,$startIndex))); } $result=array(); foreach(range($startIndex,count($source)-$picks) as $subStartIndex) { $subPad=$pad; $subPad[]=$source[$subStartIndex]; if(empty($pad))// to make the output look nice { $result=array_merge($result,computeCombination($source,$picks-1,$subStartIndex+1,$subPad)); } else { $result=array_merge($result,array(computeCombination($source,$picks-1,$subStartIndex+1,$subPad))); } } return $result; } print_r(computeCombination(array(1, 2, 3, 4, 5, 6, 7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80),10));

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)
8.3.60.0270.10480.71
8.3.50.1070.10579.94
8.3.40.0390.03646.37
8.3.30.0400.02747.78
8.3.20.0100.02847.97
8.3.10.0140.01848.28
8.3.00.0270.03448.27
8.2.180.0630.09980.13
8.2.170.0430.03048.57
8.2.160.0220.02949.30
8.2.150.0200.02048.46
8.2.140.0250.01548.50
8.2.130.0310.02850.41
8.2.120.0160.02048.02
8.2.110.0200.03150.16
8.2.100.0300.03747.41
8.2.90.0100.03748.97
8.2.80.0100.03549.00
8.2.70.0240.02747.25
8.2.60.0250.02547.68
8.2.50.0130.03347.25
8.2.40.0100.03847.84
8.2.30.0230.03647.54
8.2.20.0070.03847.21
8.2.10.0100.03447.19
8.2.00.0200.03147.30
8.1.280.0820.05679.38
8.1.270.0160.02251.44
8.1.260.0260.01751.67
8.1.250.0140.01451.88
8.1.240.0130.02950.27
8.1.230.0320.01650.75
8.1.220.0210.01747.14
8.1.210.0110.02646.61
8.1.200.0110.02846.75
8.1.190.0130.02346.91
8.1.180.0240.03046.88
8.1.170.0190.01647.98
8.1.160.0100.02451.46
8.1.150.0100.02947.93
8.1.140.0110.02546.84
8.1.130.0170.01747.09
8.1.120.0210.01746.75
8.1.110.0070.02946.64
8.1.100.0030.03146.77
8.1.90.0200.01646.79
8.1.80.0110.02446.74
8.1.70.0100.02546.72
8.1.60.0170.02746.88
8.1.50.0160.02246.86
8.1.40.0110.02846.75
8.1.30.0170.02046.75
8.1.20.0170.02146.88
8.1.10.0210.05280.84
8.1.00.0210.06680.70
8.0.300.0160.05680.35
8.0.290.0190.04879.99
8.0.280.0300.03781.43
8.0.270.0290.04280.34
8.0.260.0280.03879.82
8.0.250.0170.05179.84
8.0.240.0260.04579.86
8.0.230.0300.03679.95
8.0.220.0200.04479.72
8.0.210.0240.04279.90
8.0.200.0370.03079.76
8.0.190.0240.07880.06
8.0.180.0240.05879.75
8.0.170.0430.04680.01
8.0.160.0270.04479.70
8.0.150.0230.05679.84
8.0.140.0270.04679.72
8.0.130.0370.123136.27
8.0.120.0240.05279.97
8.0.110.0160.05279.64
8.0.100.0220.04879.92
8.0.90.0130.05779.91
8.0.80.0460.09279.84
8.0.70.0230.04679.91
8.0.60.0200.05179.81
8.0.50.0200.05179.75
8.0.30.0850.09280.06
8.0.20.0680.08280.19
8.0.10.0170.05479.72
8.0.00.0850.12079.83
7.4.330.0240.05176.69
7.4.320.0200.05079.60
7.4.300.0200.05179.59
7.4.290.0420.03279.63
7.4.280.0290.04679.52
7.4.270.0370.04479.46
7.4.260.0410.04179.60
7.4.250.0170.06179.41
7.4.240.0270.05079.48
7.4.230.0100.06279.44
7.4.220.0630.10679.55
7.4.210.0510.09779.47
7.4.200.0300.04479.26
7.4.190.0200.05879.55
7.4.160.0730.06979.41
7.4.150.0810.08479.57
7.4.140.0650.09879.58
7.4.130.0640.09579.51
7.4.120.0630.08679.57
7.4.110.0800.08779.59
7.4.100.0740.08479.66
7.4.90.0730.10679.75
7.4.80.0530.09279.61
7.4.70.0470.10079.48
7.4.60.0750.07679.50
7.4.50.0200.05179.34
7.4.40.0360.06279.47
7.4.30.0690.09879.40
7.4.00.0340.06478.08
7.3.330.0370.138136.33
7.3.320.0230.150136.29
7.3.310.0200.07079.41
7.3.300.0270.06379.33
7.3.290.0370.10479.29
7.3.280.0640.12279.39
7.3.270.0830.08379.58
7.3.260.0710.11379.43
7.3.250.0900.14879.39
7.3.240.0580.11079.36
7.3.230.0630.14979.50
7.3.210.0750.09879.51
7.3.200.0730.09079.36
7.3.190.0740.13179.62
7.3.180.0810.12979.20
7.3.170.0690.15379.37
7.3.160.0550.10079.33
7.3.120.0390.07277.97
7.2.330.0650.13979.73
7.2.320.0770.13279.38
7.2.310.0600.14379.47
7.2.300.0560.14279.53
7.2.290.0520.13879.63
7.2.60.0980.09379.04
7.2.00.0300.08681.72
7.1.200.1170.09378.11
7.1.100.1770.08366.38
7.1.70.0070.09079.11
7.1.60.0160.12179.57
7.1.50.0370.12579.30
7.1.00.0170.15084.69
7.0.200.7250.10078.14
7.0.140.0130.15384.31
7.0.100.1130.14383.31
7.0.90.1200.13783.53
7.0.80.2200.14783.36
7.0.70.0730.18083.31
7.0.60.1200.17083.25
7.0.50.1270.16783.72
7.0.40.0130.16720.47
7.0.30.0270.15020.35
7.0.20.0230.15320.46
7.0.10.0170.14320.37
7.0.00.0200.17020.40
5.6.280.0230.25085.75
5.6.250.0330.26385.59
5.6.240.0300.27385.63
5.6.230.0270.26385.62
5.6.220.0230.24385.48
5.6.210.0170.26085.59
5.6.200.0470.24385.93
5.6.190.0200.26786.01
5.6.180.0300.25086.02
5.6.170.0470.21386.00
5.6.160.0470.23086.05
5.6.150.0330.22786.02
5.6.140.0330.24086.06
5.6.130.0270.23386.00
5.6.120.0330.25386.16
5.6.110.0300.25386.00
5.6.100.0270.26786.02
5.6.90.0230.29385.92
5.6.80.0200.20785.49
5.6.70.0270.22785.48
5.6.60.0330.22085.31
5.6.50.0230.25785.52
5.6.40.0270.23385.29
5.6.30.0270.19085.31
5.6.20.0100.23785.34
5.6.10.0330.24085.51
5.6.00.0470.18085.38
5.5.380.0170.25785.34
5.5.370.0200.26085.48
5.5.360.0270.26785.47
5.5.350.0230.25385.33
5.5.340.0330.24385.63
5.5.330.0370.25385.82
5.5.320.0130.26385.72
5.5.310.0500.24085.90
5.5.300.0300.28785.74
5.5.290.0270.25085.88
5.5.280.0300.21385.77
5.5.270.0270.27085.80
5.5.260.0330.25785.86
5.5.250.0230.26785.63
5.5.240.0300.29385.23
5.5.230.0130.26785.12
5.5.220.0230.25785.14
5.5.210.0330.23385.25
5.5.200.0230.21085.25
5.5.190.0170.21385.07
5.5.180.0230.24385.10
5.5.160.0230.17385.23
5.5.150.0200.20385.21
5.5.140.0270.19785.14
5.5.130.0330.25384.94
5.5.120.0430.22385.26
5.5.110.0270.21385.09
5.5.100.0270.21385.11
5.5.90.0230.17385.09
5.5.80.0130.21384.93
5.5.70.0300.21784.99
5.5.60.0130.23085.08
5.5.50.0170.27085.02
5.5.40.0170.29785.10
5.5.30.0070.24784.95
5.5.20.0230.25384.99
5.5.10.0200.28385.04
5.5.00.0170.26385.10
5.4.450.0230.29784.36
5.4.440.0400.23384.35
5.4.430.0200.25784.13
5.4.420.0300.29084.26
5.4.410.0200.31384.33
5.4.400.0230.29383.93
5.4.390.0230.27783.94
5.4.380.0130.30383.96
5.4.370.0330.30083.97
5.4.360.0200.29783.95
5.4.350.0230.22783.81
5.4.340.0230.25383.82
5.4.320.0200.24083.81
5.4.310.0130.25784.01
5.4.300.0130.21383.77
5.4.290.0200.25084.10
5.4.280.0200.22383.98
5.4.270.0270.24784.13
5.4.260.0200.27084.00
5.4.250.0200.21783.91
5.4.240.0270.25084.10
5.4.230.0230.23783.93
5.4.220.0230.22783.85
5.4.210.0200.27083.92
5.4.200.0230.30083.80
5.4.190.0230.28384.09
5.4.180.0600.22383.80
5.4.170.0270.27083.93
5.4.160.0300.28083.79
5.4.150.0330.29783.79
5.4.140.0230.30381.21
5.4.130.0130.23781.42
5.4.120.0430.23081.38
5.4.110.0100.27081.44
5.4.100.0430.27781.32
5.4.90.0230.23781.29
5.4.80.0200.24381.39
5.4.70.0230.29081.38
5.4.60.0300.27381.23
5.4.50.0270.27781.25
5.4.40.0170.26781.22
5.4.30.0300.22381.33
5.4.20.0330.26081.38
5.4.10.0200.27781.48
5.4.00.0300.24780.79
5.3.290.0230.24078.17
5.3.280.0330.19378.06
5.3.270.0270.29778.17
5.3.260.0230.28778.26
5.3.250.0200.30378.17
5.3.240.0230.27378.08
5.3.230.0270.27378.07
5.3.220.0230.24378.04
5.3.210.0130.26378.08
5.3.200.0230.30078.07
5.3.190.0270.27378.07
5.3.180.0270.22778.09
5.3.170.0170.29378.12
5.3.160.0370.27378.16
5.3.150.0230.32378.17
5.3.140.0230.23078.16
5.3.130.0200.26078.11
5.3.120.0170.28378.18
5.3.110.0430.26378.09
5.3.100.0300.25077.56
5.3.90.0100.29077.59
5.3.80.0230.28077.55
5.3.70.0330.29077.59
5.3.60.0170.28777.62
5.3.50.0200.29077.32
5.3.40.0530.25077.42
5.3.30.0430.28777.46
5.3.20.0230.27777.88
5.3.10.0200.29077.14
5.3.00.0230.23777.10
5.2.170.0170.21074.77
5.2.160.0200.20774.82
5.2.150.0130.19074.87
5.2.140.0200.19375.86
5.2.130.0370.19374.82
5.2.120.0370.20374.82
5.2.110.0170.23074.67
5.2.100.0170.20774.80
5.2.90.0230.18374.77
5.2.80.0170.23074.84
5.2.70.0230.20074.84
5.2.60.0800.18774.67
5.2.50.0130.25374.72
5.2.40.0270.21374.70
5.2.30.0330.16774.67
5.2.20.0400.23074.79
5.2.10.0270.25074.49
5.2.00.0730.777264.19
5.1.60.2131.203384.16
5.1.50.2631.197374.05
5.1.40.2071.203391.86
5.1.30.2401.113346.38
5.1.20.2170.927284.29
5.1.10.1531.010314.64
5.1.00.1670.910302.73
5.0.50.0000.0278.60
5.0.40.0070.0408.44
5.0.30.0000.0438.11
5.0.20.0000.0408.32
5.0.10.0030.0378.07
5.0.00.0070.0638.24
4.4.90.0030.0138.07
4.4.80.0000.0378.07
4.4.70.0030.0178.07
4.4.60.0070.0208.07
4.4.50.0030.0338.07
4.4.40.0070.0478.07
4.4.30.0000.0278.07
4.4.20.0030.0308.07
4.4.10.0000.0378.07
4.4.00.0000.0308.07
4.3.110.0000.0308.07
4.3.100.0030.0338.07
4.3.90.0030.0178.07
4.3.80.0030.0538.07
4.3.70.0070.0208.07
4.3.60.0030.0308.07
4.3.50.0000.0338.07
4.3.40.0000.0378.07
4.3.30.0030.0308.07
4.3.20.0000.0378.07
4.3.10.0030.0178.07
4.3.00.0000.0178.07

preferences:
37.19 ms | 401 KiB | 5 Q