3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SudokuSolver { protected $sudoku; public function __construct (array $sudoku) { $this->sudoku = $sudoku; } public function printOut () { foreach ($this->sudoku as $column) { foreach ($column as $cell) { echo "|"; if (null !== $cell) { echo $cell; } else { echo " "; } } echo "|\n"; } } protected function checkConsistenz () { } protected function checkRow ($rowIndex) { } } $sudoku = array(); $sudoku[] = array(null,3,null, null,null,null, null,null,null); $sudoku[] = array(null,null,null, 1,9,5, null,null,null); $sudoku[] = array(null,null,8, null,null,null, null,6,null); $sudoku[] = array(8,null,null, null,6,null, null,null,null); $sudoku[] = array(4,null,null, 8,null,null, null,null,1); $sudoku[] = array(null,null,null ,null,2,null, null,null,null); $sudoku[] = array(null,6,null, null,null,null, 2,8,null); $sudoku[] = array(null,null,null, 4,1,9, null,null,5); $sudoku[] = array(null,null,null, null,null,null, null,7,null); $sudokuSolver = new SudokuSolver($sudoko); $sudokuSolver->printOut();

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)
8.3.60.0130.00718.80
8.3.50.0120.00621.99
8.3.40.0090.00618.96
8.3.30.0090.00618.76
8.3.20.0040.01118.77
8.3.10.0070.00721.06
8.3.00.0040.00423.68
8.2.180.0040.01117.00
8.2.170.0120.00322.96
8.2.160.0130.00320.53
8.2.150.0160.00324.18
8.2.140.0060.01224.66
8.2.130.0040.00426.16
8.2.120.0090.00619.77
8.2.110.0080.00320.35
8.2.100.0070.00417.69
8.2.90.0060.00319.13
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0000.00818.07
8.2.30.0050.00321.13
8.2.20.0060.00317.73
8.2.10.0000.00817.64
8.2.00.0040.00417.81
8.1.280.0100.01025.92
8.1.270.0040.00423.99
8.1.260.0090.00626.35
8.1.250.0060.00328.09
8.1.240.0060.00323.92
8.1.230.0060.00621.05
8.1.220.0050.00318.77
8.1.210.0050.00518.86
8.1.200.0090.00017.35
8.1.190.0040.00417.54
8.1.180.0040.00418.10
8.1.170.0080.00018.37
8.1.160.0050.00218.88
8.1.150.0080.00018.50
8.1.140.0040.00417.41
8.1.130.0000.00717.84
8.1.120.0030.00517.38
8.1.110.0000.00817.38
8.1.100.0050.00317.48
8.1.90.0040.00417.41
8.1.80.0030.00417.44
8.1.70.0030.00317.38
8.1.60.0080.00017.46
8.1.50.0000.00717.49
8.1.40.0030.00517.52
8.1.30.0000.00717.64
8.1.20.0040.00417.65
8.1.10.0000.00817.54
8.1.00.0050.00317.37
8.0.300.0070.00319.95
8.0.290.0030.00617.15
8.0.280.0030.00318.43
8.0.270.0030.00317.16
8.0.260.0030.00316.83
8.0.250.0030.00316.99
8.0.240.0040.00416.98
8.0.230.0030.00316.94
8.0.220.0060.00316.90
8.0.210.0070.00016.88
8.0.200.0030.00316.83
8.0.190.0030.00516.82
8.0.180.0070.00016.82
8.0.170.0050.00316.95
8.0.160.0040.00416.91
8.0.150.0000.00716.82
8.0.140.0030.00616.87
8.0.130.0080.00013.33
8.0.120.0030.00516.90
8.0.110.0040.00416.94
8.0.100.0040.00416.91
8.0.90.0040.00416.80
8.0.80.0040.01116.90
8.0.70.0000.00716.76
8.0.60.0040.00416.86
8.0.50.0000.00816.86
8.0.30.0060.01217.04
8.0.20.0160.00617.40
8.0.10.0040.00416.96
8.0.00.0130.01016.79
7.4.330.0000.00514.71
7.4.320.0000.00716.46
7.4.300.0030.00316.48
7.4.290.0070.00016.50
7.4.280.0030.00316.48
7.4.270.0050.00216.53
7.4.260.0000.00613.31
7.4.250.0080.00016.57
7.4.240.0040.00416.52
7.4.230.0040.00416.57
7.4.220.0170.01016.49
7.4.210.0060.01016.60
7.4.200.0000.00716.61
7.4.190.0000.00716.75
7.4.160.0060.00916.41
7.4.150.0090.00917.40
7.4.140.0100.01217.86
7.4.130.0090.01016.62
7.4.120.0070.01016.52
7.4.110.0060.01216.55
7.4.100.0040.01716.55
7.4.90.0120.00916.45
7.4.80.0110.00619.37
7.4.70.0100.01016.51
7.4.60.0100.01016.52
7.4.50.0090.00016.48
7.4.40.0040.01422.52
7.4.30.0160.00016.53
7.4.00.0030.00614.80
7.3.330.0000.00613.16
7.3.320.0070.00013.16
7.3.310.0050.00216.23
7.3.300.0030.00316.23
7.3.290.0030.01216.36
7.3.280.0090.00616.40
7.3.270.0090.00917.40
7.3.260.0090.00918.24
7.3.250.0090.01016.35
7.3.240.0070.01016.39
7.3.230.0120.00616.43
7.3.210.0110.00716.51
7.3.200.0140.00619.39
7.3.190.0090.00616.57
7.3.180.0110.00516.38
7.3.170.0180.00016.50
7.3.160.0120.00616.34
7.3.120.0100.00714.88
7.2.330.0080.01216.48
7.2.320.0060.01516.79
7.2.310.0060.01216.76
7.2.300.0040.01216.75
7.2.290.0060.01216.66
7.2.60.0100.00616.48
7.2.00.0030.01219.46
7.1.200.0030.00915.75
7.1.100.0000.01117.68
7.1.70.0030.00616.94
7.1.60.0150.01119.40
7.1.50.0190.01516.88
7.1.00.0070.06722.44
7.0.200.0030.00616.91
7.0.140.0000.07022.16
7.0.60.0070.08019.96
7.0.50.0070.05717.93
7.0.40.0070.06020.27
7.0.30.0270.07020.33
7.0.20.0200.05720.25
7.0.10.0030.09020.32
7.0.00.0070.05720.32
5.6.280.0100.06720.94
5.6.210.0030.05020.72
5.6.200.0100.08018.18
5.6.190.0130.07720.46
5.6.180.4230.03320.41
5.6.170.0200.04720.44
5.6.160.0100.06320.43
5.6.150.0070.04718.15
5.6.140.0030.04018.29
5.6.130.0030.08718.13
5.6.120.0200.07321.14
5.6.110.0070.08020.91
5.6.100.0100.04320.98
5.6.90.0130.04020.98
5.6.80.0130.07720.42
5.6.70.4470.04020.46
5.5.350.0200.08320.49
5.5.340.0030.08318.02
5.5.330.0000.04720.43
5.5.320.4000.03720.32
5.5.310.0300.07320.34
5.5.300.0000.05317.94
5.5.290.0100.05018.08
5.5.280.0000.04721.00
5.5.270.0000.09320.96
5.5.260.0130.08020.84
5.5.250.0070.07020.57
5.5.240.0170.04320.21
5.4.450.0030.07719.29
5.4.440.0100.03319.20
5.4.430.0100.07319.26
5.4.420.0070.07319.48
5.4.410.0030.07319.17
5.4.400.0000.07719.25
5.4.390.0070.06019.09
5.4.380.0030.04319.20
5.4.370.0070.05019.13
5.4.360.0130.04719.05
5.4.350.0030.07019.20
5.4.340.0070.08019.13
5.4.320.0000.07319.06
5.4.310.0030.06319.25
5.4.300.0030.07018.94
5.4.290.0030.06018.98
5.4.280.0070.06318.85
5.4.270.0070.07318.89
5.4.260.0000.05019.22
5.4.250.0100.04319.08
5.4.240.0070.07718.93
5.4.230.0030.07019.30
5.4.220.0030.07719.08
5.4.210.0030.07019.17
5.4.200.0000.07019.19
5.4.190.0030.05318.93
5.4.180.0070.05319.23
5.4.170.0100.07019.30
5.4.160.0070.06318.82
5.4.150.0070.07719.21
5.4.140.0030.06716.38
5.4.130.0000.04016.35
5.4.120.0000.07316.50
5.4.110.0030.03716.59
5.4.100.0030.06316.57
5.4.90.0000.07316.37
5.4.80.0000.05316.54
5.4.70.0030.04716.56
5.4.60.0030.05716.54
5.4.50.0070.07316.32
5.4.40.0030.04016.54
5.4.30.0130.06316.52
5.4.20.0070.04016.42
5.4.10.0030.07316.42
5.4.00.0030.07015.97
5.3.290.0070.07714.59
5.3.280.0000.09314.73
5.3.270.0070.07314.64
5.3.260.0000.07314.53
5.3.250.0000.04314.62
5.3.240.0030.07314.53
5.3.230.0100.03714.64
5.3.220.0000.08314.57
5.3.210.0030.07014.57
5.3.200.0100.03014.56
5.3.190.0000.05314.75
5.3.180.0030.07714.59
5.3.170.0030.07314.50
5.3.160.0000.04014.80
5.3.150.0030.06314.52
5.3.140.0000.06014.80
5.3.130.0100.06314.62
5.3.120.0030.07314.47
5.3.110.0070.07714.48
5.3.100.0030.05314.07
5.3.90.0070.04714.05
5.3.80.0030.04714.20
5.3.70.0030.06314.13
5.3.60.0000.06714.07
5.3.50.0070.04313.98
5.3.40.0200.03013.88
5.3.30.0030.04313.93
5.3.20.0070.04313.63
5.3.10.0000.05013.77
5.3.00.0070.05713.82
5.2.170.0100.05711.87
5.2.160.0030.05011.87
5.2.150.0030.06011.87
5.2.140.0030.05011.87
5.2.130.0000.03711.87
5.2.120.0070.06011.87
5.2.110.0000.06011.87
5.2.100.0030.03711.87
5.2.90.0000.03311.87
5.2.80.0030.05311.87
5.2.70.0030.05711.87
5.2.60.0000.03711.87
5.2.50.0000.03011.87
5.2.40.0000.06311.87
5.2.30.0000.06311.87
5.2.20.0100.04311.87
5.2.10.0000.03711.87
5.2.00.0000.03311.87
5.1.60.0000.03711.87
5.1.50.0030.03311.87
5.1.40.0030.03711.87
5.1.30.0000.03311.87
5.1.20.0070.03311.87
5.1.10.0000.04011.87
5.1.00.0000.05011.87
5.0.50.0030.04711.87
5.0.40.0030.02311.87
5.0.30.0000.06311.87
5.0.20.0070.03711.87
5.0.10.0000.03011.87
5.0.00.0030.03011.87
4.4.90.0030.03311.87
4.4.80.0000.04011.87
4.4.70.0000.04011.87
4.4.60.0070.02711.87
4.4.50.0100.02011.87
4.4.40.0000.03011.87
4.4.30.0000.01711.87
4.4.20.0030.02311.87
4.4.10.0000.03011.87
4.4.00.0030.05311.87
4.3.110.0000.03011.87
4.3.100.0030.03011.87
4.3.90.0000.02311.87
4.3.80.0000.05311.87
4.3.70.0030.02311.87
4.3.60.0030.02011.87
4.3.50.0000.04011.87
4.3.40.0000.05711.87
4.3.30.0000.02311.87
4.3.20.0030.03311.87
4.3.10.0000.02011.87
4.3.00.0000.02011.87

preferences:
71.91 ms | 401 KiB | 5 Q