3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getCombinedSum($digits, $sum) { if(!is_int($digits) || !is_int($sum) || $digits<1 || $sum<0) { throw new InvalidArgumentException('Invalid numeric format'); } if($sum>9*$digits) { throw new LogicException('Sum out of range'); } if($digits==1) { return [$sum]; } $result = []; for($digit=0; $digit<10 && $sum-$digit>0; $digit++) { foreach(getCombinedSum($digits-1, $sum-$digit) as $subsum) { $result[] = $digit.$subsum; $result[] = $subsum.$digit; } } return $result; } var_dump(getCombinedSum(2, 1));

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)
8.3.60.0170.00318.36
8.3.50.0050.01221.21
8.3.40.0100.00718.84
8.3.30.0100.00320.42
8.3.20.0030.00520.29
8.3.10.0080.00021.03
8.3.00.0050.00322.43
8.2.180.0150.00016.50
8.2.170.0040.01122.96
8.2.160.0070.00722.09
8.2.150.0040.00424.18
8.2.140.0000.00924.66
8.2.130.0000.00826.16
8.2.120.0060.00920.65
8.2.110.0060.00319.33
8.2.100.0040.00717.84
8.2.90.0000.00719.27
8.2.80.0030.00518.02
8.2.70.0080.00017.50
8.2.60.0080.00317.78
8.2.50.0030.00618.07
8.2.40.0000.00818.15
8.2.30.0080.00019.39
8.2.20.0000.00717.82
8.2.10.0080.00017.70
8.2.00.0050.00317.68
8.1.280.0140.00025.92
8.1.270.0070.00023.99
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.80
8.1.230.0090.00320.97
8.1.220.0050.00318.77
8.1.210.0040.00420.73
8.1.200.0030.00617.35
8.1.190.0000.00817.51
8.1.180.0000.00818.10
8.1.170.0070.00318.47
8.1.160.0030.00618.89
8.1.150.0080.00418.67
8.1.140.0040.00417.46
8.1.130.0000.00817.80
8.1.120.0000.00717.47
8.1.110.0040.00417.45
8.1.100.0040.00417.53
8.1.90.0050.00317.48
8.1.80.0030.00417.40
8.1.70.0000.00717.49
8.1.60.0000.00917.42
8.1.50.0030.00517.43
8.1.40.0000.00817.43
8.1.30.0040.00417.67
8.1.20.0030.00617.59
8.1.10.0040.00417.44
8.1.00.0040.00417.54
8.0.300.0070.00319.91
8.0.290.0050.00317.04
8.0.280.0050.00318.45
8.0.270.0080.00017.34
8.0.260.0030.00316.70
8.0.250.0030.00316.85
8.0.240.0060.00316.95
8.0.230.0030.00316.98
8.0.220.0050.00216.91
8.0.210.0030.00316.91
8.0.200.0060.00016.97
8.0.190.0000.00716.99
8.0.180.0050.00216.94
8.0.170.0000.00816.88
8.0.160.0070.00016.88
8.0.150.0040.00416.85
8.0.140.0000.00716.75
8.0.130.0000.00613.29
8.0.120.0040.00416.80
8.0.110.0060.00316.79
8.0.100.0030.00416.92
8.0.90.0070.00016.80
8.0.80.0060.00916.95
8.0.70.0000.00716.77
8.0.60.0040.00416.97
8.0.50.0040.00416.77
8.0.30.0160.00517.11
8.0.20.0090.00917.40
8.0.10.0000.00717.09
8.0.00.0140.00616.70
7.4.330.0000.00516.77
7.4.320.0070.00016.54
7.4.300.0030.00316.51
7.4.290.0000.00716.53
7.4.280.0030.00316.41
7.4.270.0030.00316.53
7.4.260.0000.00513.31
7.4.250.0040.00416.60
7.4.240.0020.00616.54
7.4.230.0030.00316.36
7.4.220.0150.00316.64
7.4.210.0090.00716.61
7.4.200.0050.00216.39
7.4.190.0030.00316.48
7.4.160.0080.00816.42
7.4.150.0060.01317.40
7.4.140.0100.01317.86
7.4.130.0110.00916.51
7.4.120.0070.01016.55
7.4.110.0090.00916.48
7.4.100.0100.00716.57
7.4.90.0070.01016.54
7.4.80.0030.01419.39
7.4.70.0100.00616.68
7.4.60.0040.01316.53
7.4.50.0060.00316.42
7.4.40.0040.01122.77
7.4.30.0160.00616.34
7.4.00.0100.00714.92
7.3.330.0050.00013.17
7.3.320.0050.00013.25
7.3.310.0030.00316.30
7.3.300.0030.00316.21
7.3.290.0060.00916.27
7.3.280.0060.01216.29
7.3.270.0140.00317.40
7.3.260.0060.01418.24
7.3.250.0070.01216.49
7.3.240.0110.00716.40
7.3.230.0120.00616.40
7.3.210.0190.00016.43
7.3.200.0130.01019.39
7.3.190.0190.00316.45
7.3.180.0090.00616.41
7.3.170.0090.00616.32
7.3.160.0060.01616.50
7.3.120.0070.00714.99
7.2.330.0070.01016.49
7.2.320.0120.00616.69
7.2.310.0060.01216.77
7.2.300.0080.00816.78
7.2.290.0090.01016.68
7.2.60.0100.00317.01
7.1.200.0060.00615.61
7.1.70.0000.01116.87
7.1.60.0060.01919.17
7.1.50.0070.01416.96
7.1.00.0030.07322.33
7.0.200.0030.00316.88
7.0.140.0030.07322.08
7.0.100.0070.08719.92
7.0.90.0100.08020.08
7.0.80.0470.06719.86
7.0.70.0400.05719.90
7.0.60.0170.05320.02
7.0.50.0300.08020.25
7.0.40.0100.07319.95
7.0.30.0070.07020.04
7.0.20.0170.08319.95
7.0.10.0070.09019.99
7.0.00.0070.08020.18
5.6.250.0170.05020.76
5.6.240.0170.07720.66
5.6.230.0170.07720.66
5.6.220.0100.04720.65
5.6.210.0100.06020.52
5.6.200.0070.07721.18
5.6.190.0070.05721.04
5.6.180.0030.07021.05
5.6.170.0130.08021.07
5.6.160.0130.08021.07
5.6.150.0070.07721.09
5.6.140.0000.08720.96
5.6.130.0030.06321.11
5.6.120.0070.08321.11
5.6.110.0130.08021.02
5.6.100.0100.04321.09
5.6.90.0170.07021.00
5.6.80.0100.07720.56
5.6.70.0200.03720.49
5.6.60.0100.07320.46
5.6.50.0130.07720.48
5.6.40.0070.08020.30
5.6.30.0170.07020.37
5.6.20.0130.07720.44
5.6.10.0070.08020.38
5.6.00.0030.05020.30
5.5.380.0100.08020.50
5.5.370.0100.08020.41
5.5.360.0070.07320.28
5.5.350.0030.08320.41
5.5.340.0070.04720.81
5.5.330.0070.07720.88
5.5.320.0030.08020.87
5.5.310.0130.08020.86
5.5.300.0030.08720.92
5.5.290.0070.08720.92
5.5.280.0200.08020.77
5.5.270.0030.05020.80
5.5.260.0070.08720.77
5.5.250.0130.06020.64
5.5.240.0100.07720.26
5.5.230.0030.08320.27
5.5.220.0100.07720.25
5.5.210.0030.08020.03
5.5.200.0130.06320.27
5.5.190.0030.06020.14
5.5.180.0170.08020.25
5.5.160.0130.04320.13
5.5.150.0200.06320.18
5.5.140.0100.04720.09
5.5.130.0170.06320.25
5.5.120.0070.07020.13
5.5.110.0070.06020.12
5.5.100.0070.08020.02
5.5.90.0100.07720.16
5.5.80.0230.03020.17
5.5.70.0100.04320.06
5.5.60.0030.04020.07
5.5.50.0100.05720.15
5.5.40.0070.04020.06
5.5.30.0030.03720.16
5.5.20.0000.04320.06
5.5.10.0000.04320.04
5.5.00.0070.03319.97
5.4.450.0130.07719.36
5.4.440.0100.07719.41
5.4.430.0100.07319.21
5.4.420.0170.07319.35
5.4.410.0030.07719.38
5.4.400.0070.07318.95
5.4.390.0070.07319.13
5.4.380.0000.08019.14
5.4.370.0170.06718.94
5.4.360.0100.07318.90
5.4.350.0070.05019.13
5.4.340.0000.05319.02
5.4.320.0070.04319.09
5.4.310.0100.07718.95
5.4.300.0030.07719.23
5.4.290.0070.07718.94
5.4.280.0130.06718.94
5.4.270.0000.08318.84
5.4.260.0170.07019.09
5.4.250.0070.04319.12
5.4.240.0030.04319.11
5.4.230.0030.03719.18
5.4.220.0030.04019.12
5.4.210.0030.04319.08
5.4.200.0000.04018.87
5.4.190.0000.05318.86
5.4.180.0030.04019.22
5.4.170.0070.03318.89
5.4.160.0030.04019.01
5.4.150.0000.05719.10
5.4.140.0130.04016.32
5.4.130.0100.06716.14
5.4.120.0000.03716.29
5.4.110.0000.04716.54
5.4.100.0000.04016.32
5.4.90.0000.03716.47
5.4.80.0030.03716.47
5.4.70.0070.03316.43
5.4.60.0100.03316.40
5.4.50.0070.03016.25
5.4.40.0000.04016.51
5.4.30.0100.03016.32
5.4.20.0030.03716.47
5.4.10.0000.03716.42
5.4.00.0030.03715.73
5.3.290.0070.07014.72
5.3.280.0100.03714.53
5.3.270.0070.03714.73
5.3.260.0100.03014.60
5.3.250.0030.05314.57
5.3.240.0070.04014.62
5.3.230.0000.06314.59
5.3.220.0000.04014.57
5.3.210.0100.06014.71
5.3.200.0130.06014.63
5.3.190.0170.04714.52
5.3.180.0070.04014.63
5.3.170.0070.04714.63
5.3.160.0100.02714.71
5.3.150.0070.04014.63
5.3.140.0030.03714.58
5.3.130.0000.04014.66
5.3.120.0000.04014.60
5.3.110.0070.05314.61
5.3.100.0000.04314.13
5.3.90.0070.04013.98
5.3.80.0030.03714.08
5.3.70.0000.04013.95
5.3.60.0030.03714.01
5.3.50.0130.02713.93
5.3.40.0130.02713.96
5.3.30.0100.02713.81
5.3.20.0000.04313.81
5.3.10.0070.03013.55
5.3.00.0130.02313.70
5.2.170.0000.03311.70
5.2.160.0000.03011.70
5.2.150.0030.02711.70
5.2.140.0070.02711.70
5.2.130.0070.02311.70
5.2.120.0000.03011.70
5.2.110.0030.02711.70
5.2.100.0030.02711.70
5.2.90.0000.05011.70
5.2.80.0000.03311.70
5.2.70.0000.03011.70
5.2.60.0000.03311.70
5.2.50.0000.03011.70
5.2.40.0000.03011.70
5.2.30.0070.02311.70
5.2.20.0000.03011.70
5.2.10.0100.03011.70
5.2.00.0030.02711.70
5.1.60.0000.03011.70
5.1.50.0000.02311.70
5.1.40.0030.02311.70
5.1.30.0000.03011.70
5.1.20.0100.03011.70
5.1.10.0000.03711.70
5.1.00.0000.03011.70
5.0.50.0000.03711.70
5.0.40.0000.04011.70
5.0.30.0000.06711.70
5.0.20.0070.03711.70
5.0.10.0030.03311.70
5.0.00.0030.06311.70
4.4.90.0030.01311.70
4.4.80.0000.01711.70
4.4.70.0000.03011.70
4.4.60.0000.01311.70
4.4.50.0000.01711.70
4.4.40.0000.02311.70
4.4.30.0000.02011.70
4.4.20.0000.01711.70
4.4.10.0000.01711.70
4.4.00.0000.04311.70
4.3.110.0000.02711.70
4.3.100.0000.03311.70
4.3.90.0070.03011.70
4.3.80.0070.05011.70
4.3.70.0000.02011.70
4.3.60.0000.03011.70
4.3.50.0000.04011.70
4.3.40.0000.05011.70
4.3.30.0030.03711.70
4.3.20.0030.03311.70
4.3.10.0000.03711.70
4.3.00.0000.03311.70

preferences:
46.85 ms | 401 KiB | 5 Q