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 [$sum=>$sum]; } $result = []; for($digit=0; $digit<10 && $sum-$digit>0; $digit++) { foreach(getCombinedSum($digits-1, $sum-$digit) as $subsum) { $result[$digit.$subsum] = $digit.$subsum; $result[$subsum.$digit] = $subsum.$digit; } } return $result; } var_dump(getCombinedSum(3, 2));

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)
8.3.40.0140.00718.84
8.3.30.0130.00020.17
8.3.20.0030.00520.29
8.3.10.0040.00421.28
8.3.00.0040.00422.49
8.2.170.0130.00722.96
8.2.160.0110.00422.22
8.2.150.0040.01524.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00821.05
8.2.110.0070.00319.19
8.2.100.0080.00317.72
8.2.90.0090.00018.93
8.2.80.0080.00017.97
8.2.70.0090.00317.63
8.2.60.0000.01117.80
8.2.50.0060.00318.07
8.2.40.0050.00318.23
8.2.30.0040.00419.53
8.2.20.0000.00817.80
8.2.10.0070.00017.75
8.2.00.0030.00517.82
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0070.00323.79
8.1.230.0110.00020.90
8.1.220.0060.00318.77
8.1.210.0050.00318.79
8.1.200.0030.00617.48
8.1.190.0000.00817.53
8.1.180.0030.00618.10
8.1.170.0060.00318.46
8.1.160.0040.00418.97
8.1.150.0000.00718.66
8.1.140.0070.00017.46
8.1.130.0080.00017.75
8.1.120.0050.00317.54
8.1.110.0000.00717.40
8.1.100.0000.00717.51
8.1.90.0050.00217.51
8.1.80.0040.00417.40
8.1.70.0040.00417.44
8.1.60.0040.00417.67
8.1.50.0030.00517.43
8.1.40.0050.00317.54
8.1.30.0050.00317.48
8.1.20.0030.00517.68
8.1.10.0040.00417.57
8.1.00.0040.00417.41
8.0.300.0040.00419.94
8.0.290.0070.00017.05
8.0.280.0030.00318.57
8.0.270.0040.00417.21
8.0.260.0060.00016.88
8.0.250.0000.00716.96
8.0.240.0040.00416.99
8.0.230.0040.00416.84
8.0.220.0000.00816.88
8.0.210.0020.00516.92
8.0.200.0030.00316.95
8.0.190.0000.00716.84
8.0.180.0000.00716.91
8.0.170.0040.00416.92
8.0.160.0070.00016.86
8.0.150.0000.00716.86
8.0.140.0070.00016.76
8.0.130.0000.00613.38
8.0.120.0000.00816.82
8.0.110.0040.00416.95
8.0.100.0000.00716.73
8.0.90.0000.00716.79
8.0.80.0100.01016.95
8.0.70.0000.00716.89
8.0.60.0050.00316.85
8.0.50.0040.00416.84
8.0.30.0130.00717.19
8.0.20.0110.00917.40
8.0.10.0000.00817.01
8.0.00.0080.01016.80
7.4.330.0000.00516.77
7.4.320.0030.00316.47
7.4.300.0030.00316.41
7.4.290.0030.00316.50
7.4.280.0040.00416.51
7.4.270.0000.00616.55
7.4.260.0030.00313.23
7.4.250.0000.00816.36
7.4.240.0020.00616.62
7.4.230.0040.00416.41
7.4.220.0090.01616.56
7.4.210.0090.00616.53
7.4.200.0070.00016.57
7.4.190.0040.00416.56
7.4.160.0070.01016.63
7.4.150.0160.00417.40
7.4.140.0070.01117.86
7.4.130.0120.00616.59
7.4.120.0090.00816.66
7.4.110.0070.01016.52
7.4.100.0100.00716.57
7.4.90.0080.00816.49
7.4.80.0090.00919.39
7.4.70.0100.00616.45
7.4.60.0110.00616.56
7.4.50.0030.00616.59
7.4.40.0030.01022.77
7.4.30.0000.01616.67
7.4.00.0060.00614.91
7.3.330.0050.00013.30
7.3.320.0000.00513.30
7.3.310.0030.00316.27
7.3.300.0030.00316.38
7.3.290.0040.01116.32
7.3.280.0110.01016.36
7.3.270.0150.00417.40
7.3.260.0100.01018.24
7.3.250.0120.00516.50
7.3.240.0060.01116.71
7.3.230.0030.01416.62
7.3.210.0060.01116.27
7.3.200.0030.01719.39
7.3.190.0100.00616.37
7.3.180.0120.00616.64
7.3.170.0130.00316.29
7.3.160.0100.00716.43
7.3.120.0070.01014.81
7.3.110.0100.00314.91
7.3.100.0130.00315.12
7.3.90.0060.01014.82
7.3.80.0040.01414.71
7.3.70.0080.00614.74
7.3.60.0070.01014.80
7.3.50.0070.01115.05
7.3.40.0000.01514.75
7.3.30.0060.01014.97
7.3.20.0080.00616.41
7.3.10.0020.01316.65
7.3.00.0050.00616.72
7.2.330.0130.00616.71
7.2.320.0030.02016.52
7.2.310.0130.01016.41
7.2.300.0100.01316.76
7.2.290.0130.00416.63
7.2.240.0000.01514.92
7.2.230.0090.00615.21
7.2.220.0070.01014.54
7.2.210.0100.00714.61
7.2.200.0100.00715.02
7.2.190.0040.01115.10
7.2.180.0030.01015.04
7.2.170.0070.00715.05
7.2.160.0000.01115.21
7.2.150.0070.01016.88
7.2.140.0100.00316.79
7.2.130.0050.00816.69
7.2.120.0070.00516.98
7.2.110.0110.00716.86
7.2.100.0070.00516.78
7.2.90.0050.00916.93
7.2.80.0090.00516.85
7.2.70.0110.00517.00
7.2.60.0100.00516.82
7.2.50.0090.00916.83
7.2.40.0090.00316.97
7.2.30.0060.00816.94
7.2.20.0080.00916.87
7.2.10.0060.00816.93
7.2.00.0050.00816.87
7.1.330.0040.01115.79
7.1.320.0060.01015.83
7.1.310.0090.00615.81
7.1.300.0040.00715.92
7.1.290.0090.00615.74
7.1.280.0070.00715.89
7.1.270.0080.00815.86
7.1.260.0100.00315.88
7.1.250.0030.00915.74
7.1.70.0030.00517.18
7.1.60.0130.01019.17
7.1.50.0130.00617.02
7.1.00.0100.06722.45
7.0.200.0040.00416.69
7.0.140.0030.09021.95
7.0.100.0300.05019.96
7.0.90.0130.05719.88
7.0.80.0270.08319.95
7.0.70.0130.07719.95
7.0.60.0330.07320.02
7.0.50.0100.08020.29
7.0.40.0070.06319.95
7.0.30.0170.07720.05
7.0.20.0230.06320.15
7.0.10.0000.06320.14
7.0.00.0030.09020.07
5.6.280.0030.07720.83
5.6.250.0070.06020.64
5.6.240.0100.07320.64
5.6.230.0130.08020.76
5.6.220.0030.05020.52
5.6.210.0070.08320.65
5.6.200.0000.06021.04
5.6.190.0130.08721.04
5.6.180.0070.07721.09
5.6.170.0070.08721.15
5.6.160.0100.06021.14
5.6.150.0100.08021.06
5.6.140.0100.08021.07
5.6.130.0070.08321.18
5.6.120.0100.08021.07
5.6.110.0130.07021.18
5.6.100.0100.08721.08
5.6.90.0130.08021.04
5.6.80.0170.06720.47
5.6.70.0130.07720.42
5.6.60.0030.08020.32
5.6.50.0070.04020.42
5.6.40.0100.07720.36
5.6.30.0100.07720.48
5.6.20.0100.08020.47
5.6.10.0100.05020.36
5.6.00.0100.08020.37
5.5.380.0070.04320.53
5.5.370.0030.09020.40
5.5.360.0000.05720.33
5.5.350.0130.07320.36
5.5.340.0130.08020.89
5.5.330.0100.08020.84
5.5.320.0130.08020.77
5.5.310.0070.08320.88
5.5.300.0100.07720.63
5.5.290.0030.06320.82
5.5.280.0170.07720.91
5.5.270.0070.08320.86
5.5.260.0030.08720.86
5.5.250.0070.05320.73
5.5.240.0030.04320.22
5.5.230.0070.04320.25
5.5.220.0000.04720.14
5.5.210.0170.08320.30
5.5.200.0100.04720.21
5.5.190.0230.06320.15
5.5.180.0070.07320.25
5.5.160.0070.09020.14
5.5.150.0170.07320.24
5.5.140.0070.04019.96
5.5.130.0130.05020.09
5.5.120.0100.07320.12
5.5.110.0170.06720.14
5.5.100.0130.04020.11
5.5.90.0000.04320.02
5.5.80.0070.08020.04
5.5.70.0100.05020.11
5.5.60.0170.07020.09
5.5.50.0070.06320.05
5.5.40.0030.07020.07
5.5.30.0070.07019.97
5.5.20.0030.04720.16
5.5.10.0100.08320.04
5.5.00.0130.08320.11
5.4.450.0100.07719.41
5.4.440.0070.07719.55
5.4.430.0100.07719.45
5.4.420.0100.07019.39
5.4.410.0070.08019.32
5.4.400.0000.07719.04
5.4.390.0130.04719.13
5.4.380.0030.09318.88
5.4.370.0100.07719.13
5.4.360.0130.07319.14
5.4.350.0130.07318.95
5.4.340.0070.07018.93
5.4.320.0070.07319.09
5.4.310.0030.06019.17
5.4.300.0030.06719.18
5.4.290.0070.05719.20
5.4.280.0070.04319.03
5.4.270.0130.06719.03
5.4.260.0070.05019.04
5.4.250.0100.06018.89
5.4.240.0070.07019.08
5.4.230.0000.08019.12
5.4.220.0130.07319.02
5.4.210.0170.04018.84
5.4.200.0030.06319.12
5.4.190.0270.04019.13
5.4.180.0070.06019.08
5.4.170.0070.08019.04
5.4.160.0070.07319.14
5.4.150.0130.07319.07
5.4.140.0030.07716.46
5.4.130.0100.07016.41
5.4.120.0170.06316.41
5.4.110.0070.06316.36
5.4.100.0070.06016.28
5.4.90.0030.05016.36
5.4.80.0000.08316.27
5.4.70.0070.07716.32
5.4.60.0030.04716.37
5.4.50.0030.04316.46
5.4.40.0070.07016.42
5.4.30.0100.07016.41
5.4.20.0070.07016.47
5.4.10.0100.07016.44
5.4.00.0130.07015.90
5.3.290.0070.07014.69
5.3.280.0200.05314.63
5.3.270.0030.07014.63
5.3.260.0100.07014.67
5.3.250.0130.04714.64
5.3.240.0130.04314.64
5.3.230.0100.07314.53
5.3.220.0100.06314.69
5.3.210.0000.05714.58
5.3.200.0030.07014.71
5.3.190.0130.07014.63
5.3.180.0030.08014.59
5.3.170.0030.04014.59
5.3.160.0070.04314.52
5.3.150.0030.03714.63
5.3.140.0100.06314.52
5.3.130.0100.07314.47
5.3.120.0030.05014.61
5.3.110.0070.08014.57
5.3.100.0200.06014.06
5.3.90.0100.04013.99
5.3.80.0030.06013.95
5.3.70.0070.08014.16
5.3.60.0100.06313.99
5.3.50.0100.06313.95
5.3.40.0170.06313.96
5.3.30.0070.06313.92
5.3.20.0170.06013.67
5.3.10.0200.06013.59
5.3.00.0070.03713.69
5.2.170.0030.06312.30
5.2.160.0130.05312.30
5.2.150.0000.06712.30
5.2.140.0070.06012.30
5.2.130.0000.04712.30
5.2.120.0100.05712.30
5.2.110.0100.05712.30
5.2.100.0100.04012.30
5.2.90.0000.04712.30
5.2.80.0100.05712.30
5.2.70.0130.04312.30
5.2.60.0030.03312.30
5.2.50.0030.06012.30
5.2.40.0000.05712.30
5.2.30.0130.04712.30
5.2.20.0070.04712.30
5.2.10.0030.06312.30
5.2.00.0130.05012.30
5.1.60.0030.02712.30
5.1.50.0130.04312.30
5.1.40.0070.05312.30
5.1.30.0030.05312.30
5.1.20.0030.05712.30
5.1.10.0030.05312.30
5.1.00.0030.05712.30
5.0.50.0070.04712.30
5.0.40.0030.03312.30
5.0.30.0030.07312.30
5.0.20.0000.02012.30
5.0.10.0070.04012.30
5.0.00.0030.06712.30
4.4.90.0030.03012.30
4.4.80.0030.03712.30
4.4.70.0070.03312.30
4.4.60.0030.03712.30
4.4.50.0000.03712.30
4.4.40.0070.02012.30
4.4.30.0030.03012.30
4.4.20.0100.02712.30
4.4.10.0070.03312.30
4.4.00.0000.04312.30
4.3.110.0070.03012.30
4.3.100.0000.03712.30
4.3.90.0000.01712.30
4.3.80.0000.05312.30
4.3.70.0030.02312.30
4.3.60.0030.03312.30
4.3.50.0000.02312.30
4.3.40.0070.02312.30
4.3.30.0030.03312.30
4.3.20.0000.02312.30
4.3.10.0000.03312.30
4.3.00.0000.03712.30

preferences:
40.23 ms | 400 KiB | 5 Q