3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SudokuSolver { protected $sudoku; public function __construct(array $sudoku) { $this->sudoku = $sudoku; } public function print() { foreach ($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->print();

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)
8.3.60.0090.00618.45
8.3.50.0130.00621.99
8.3.40.0120.00318.89
8.3.30.0070.00718.94
8.3.20.0050.00318.76
8.3.10.0080.00021.09
8.3.00.0040.00421.95
8.2.180.0140.00716.75
8.2.170.0110.00422.96
8.2.160.0070.01020.52
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0060.00321.05
8.2.110.0100.00020.50
8.2.100.0090.00317.91
8.2.90.0040.00419.17
8.2.80.0030.00517.97
8.2.70.0050.00317.25
8.2.60.0000.00917.93
8.2.50.0030.00618.07
8.2.40.0090.00018.22
8.2.30.0040.00419.45
8.2.20.0070.00017.73
8.2.10.0000.00717.75
8.2.00.0050.00317.74
8.1.280.0140.00325.92
8.1.270.0090.00023.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0080.00022.17
8.1.230.0120.00020.81
8.1.220.0050.00318.77
8.1.210.0030.00618.77
8.1.200.0040.00416.98
8.1.190.0040.00417.51
8.1.180.0030.00618.10
8.1.170.0080.00018.34
8.1.160.0070.00018.84
8.1.150.0030.00618.55
8.1.140.0040.00417.46
8.1.130.0070.00017.84
8.1.120.0030.00517.32
8.1.110.0000.00717.39
8.1.100.0000.00917.41
8.1.90.0040.00417.39
8.1.80.0040.00417.39
8.1.70.0000.00717.32
8.1.60.0000.01217.60
8.1.50.0000.00817.50
8.1.40.0030.00517.53
8.1.30.0040.00417.68
8.1.20.0040.00417.68
8.1.10.0000.00817.65
8.1.00.0060.00317.54
8.0.300.0040.00419.89
8.0.290.0040.00417.05
8.0.280.0070.00018.30
8.0.270.0030.00317.19
8.0.260.0040.00416.74
8.0.250.0020.00516.98
8.0.240.0000.00816.84
8.0.230.0030.00317.00
8.0.220.0030.00316.93
8.0.210.0090.00016.86
8.0.200.0030.00316.98
8.0.190.0060.00316.86
8.0.180.0040.00416.92
8.0.170.0030.00516.80
8.0.160.0040.00416.91
8.0.150.0040.00416.83
8.0.140.0050.00216.85
8.0.130.0000.00613.31
8.0.120.0050.00216.84
8.0.110.0030.00516.83
8.0.100.0050.00316.77
8.0.90.0000.00816.80
8.0.80.0060.00916.93
8.0.70.0040.00416.75
8.0.60.0000.00716.77
8.0.50.0030.00616.88
8.0.30.0100.01017.11
8.0.20.0090.00917.40
8.0.10.0070.00016.97
8.0.00.0060.01116.89
7.4.330.0050.00016.89
7.4.320.0030.00316.44
7.4.300.0030.00316.50
7.4.290.0000.00716.49
7.4.280.0070.00016.60
7.4.270.0000.00716.61
7.4.260.0050.00013.32
7.4.250.0000.00716.56
7.4.240.0040.00416.60
7.4.230.0040.00416.59
7.4.220.0070.01616.57
7.4.210.0090.00816.60
7.4.200.0030.00316.50
7.4.190.0000.00716.67
7.4.160.0120.00416.43
7.4.150.0110.00717.40
7.4.140.0050.01317.86
7.4.130.0110.00616.48
7.4.120.0140.00316.61
7.4.110.0100.01316.68
7.4.100.0140.01116.39
7.4.90.0090.01116.34
7.4.80.0120.00619.39
7.4.70.0060.00916.44
7.4.60.0060.00916.51
7.4.50.0060.00316.32
7.4.40.0080.00822.77
7.4.30.0150.00616.45
7.4.00.0070.01015.05
7.3.330.0000.00513.33
7.3.320.0000.00713.38
7.3.310.0000.00716.24
7.3.300.0040.00416.27
7.3.290.0150.00016.38
7.3.280.0100.00616.37
7.3.270.0110.00717.40
7.3.260.0110.00918.24
7.3.250.0030.01516.49
7.3.240.0100.00716.31
7.3.230.0120.00616.39
7.3.210.0070.01016.46
7.3.200.0130.01019.39
7.3.190.0000.01816.50
7.3.180.0080.00816.64
7.3.170.0060.00916.37
7.3.160.0090.00916.43
7.3.120.0030.01414.84
7.3.110.0100.00314.84
7.3.100.0060.01014.93
7.3.90.0110.00214.79
7.3.80.0060.00615.06
7.3.70.0050.01014.88
7.3.60.0110.00614.69
7.3.50.0080.00714.83
7.3.40.0040.00914.78
7.3.30.0080.00714.95
7.3.20.0020.01316.67
7.3.10.0090.00716.65
7.3.00.0090.00616.67
7.2.330.0090.00916.72
7.2.320.0160.00616.61
7.2.310.0150.00916.39
7.2.300.0120.00616.34
7.2.290.0060.00916.38
7.2.250.0120.00314.84
7.2.240.0070.00714.93
7.2.230.0080.00614.95
7.2.220.0040.00915.02
7.2.210.0100.00615.05
7.2.200.0030.00915.08
7.2.190.0060.01014.91
7.2.180.0060.01015.05
7.2.170.0070.00814.90
7.2.160.0040.00715.14
7.2.150.0030.00816.95
7.2.140.0120.00316.77
7.2.130.0090.00716.75
7.2.120.0100.00916.71
7.2.110.0080.00516.88
7.2.100.0030.01016.84
7.2.90.0020.01316.91
7.2.80.0070.00616.80
7.2.70.0080.01016.81
7.2.60.0110.00716.91
7.2.50.0040.01216.95
7.2.40.0090.00216.73
7.2.30.0070.00716.79
7.2.20.0100.00316.89
7.2.10.0070.00516.78
7.2.00.0080.00717.53
7.1.330.0050.00915.63
7.1.320.0050.00515.72
7.1.310.0030.00915.81
7.1.300.0080.00715.57
7.1.290.0050.00915.75
7.1.280.0050.01015.66
7.1.270.0070.00815.57
7.1.260.0030.00615.78
7.1.250.0050.00615.67
7.1.200.0070.00715.74
7.1.70.0040.00416.86
7.1.60.0050.00517.17
7.1.50.0260.01334.86
7.1.00.0030.03722.41
7.0.200.0130.00616.76
7.0.140.0030.07021.91
7.0.70.0170.06021.76
7.0.60.0070.07321.73
7.0.50.0100.07321.97
7.0.40.0030.06320.11
7.0.30.0000.08719.98
7.0.20.0170.07720.10
7.0.10.0070.08020.04
7.0.00.0130.06720.09
5.6.280.0000.07720.99
5.6.220.0100.07320.57
5.6.210.0030.08720.45
5.6.200.0070.07721.08
5.6.190.0130.07021.07
5.6.180.0070.08021.05
5.6.170.0070.09020.96
5.6.160.0030.07721.05
5.6.150.0100.08321.14
5.6.140.0030.06021.05
5.6.130.0170.07320.95
5.6.120.0070.07721.11
5.6.110.0100.07320.95
5.6.100.0070.05721.05
5.6.90.0100.07721.01
5.6.80.0100.06020.41
5.6.70.0100.08020.32
5.6.60.0030.08720.30
5.6.50.0000.04720.41
5.6.40.0070.08320.37
5.6.30.0200.06320.44
5.6.20.0030.06020.36
5.6.10.0070.07320.31
5.6.00.0030.08020.37
5.5.360.0030.09020.36
5.5.350.0000.05020.42
5.5.340.0030.06720.88
5.5.330.0030.08720.83
5.5.320.0100.08320.93
5.5.310.0170.07320.86
5.5.300.0100.08320.77
5.5.290.0070.08320.75
5.5.280.0000.08720.79
5.5.270.0170.07720.91
5.5.260.0100.04720.88
5.5.250.0030.04320.68
5.5.240.0130.07320.01
5.5.230.0130.06020.26
5.5.220.0000.06320.29
5.5.210.0130.07720.25
5.5.200.0100.06020.21
5.5.190.0030.08320.27
5.5.180.0070.08320.13
5.5.160.0070.05319.97
5.5.150.0100.07720.14
5.5.140.0070.08020.22
5.5.130.0070.07720.10
5.5.120.0130.07720.18
5.5.110.0100.03720.27
5.5.100.0030.08320.07
5.5.90.0070.07020.04
5.5.80.0170.04320.10
5.5.70.0030.05720.16
5.5.60.0100.08020.10
5.5.50.0000.09019.91
5.5.40.0030.07719.93
5.5.30.0070.07720.14
5.5.20.0100.05320.13
5.5.10.0100.07720.04
5.5.00.0130.06720.03
5.4.450.0030.08019.20
5.4.440.0100.05719.27
5.4.430.0200.07319.46
5.4.420.0000.05719.55
5.4.410.0070.06319.22
5.4.400.0030.07319.19
5.4.390.0000.07019.13
5.4.380.0070.07719.09
5.4.370.0000.06019.23
5.4.360.0100.03318.95
5.4.350.0100.07319.02
5.4.340.0100.07719.18
5.4.320.0030.08318.85
5.4.310.0070.07719.25
5.4.300.0030.08019.24
5.4.290.0070.06019.14
5.4.280.0030.08719.20
5.4.270.0030.04319.18
5.4.260.0000.04319.21
5.4.250.0070.07719.11
5.4.240.0100.03319.24
5.4.230.0070.07019.13
5.4.220.0100.06719.20
5.4.210.0070.05019.12
5.4.200.0070.06319.04
5.4.190.0200.04019.23
5.4.180.0000.06319.02
5.4.170.0030.07319.17
5.4.160.0000.08018.86
5.4.150.0130.07719.02
5.4.140.0030.07716.41
5.4.130.0170.06716.41
5.4.120.0070.07016.45
5.4.110.0030.04316.27
5.4.100.0070.08016.39
5.4.90.0030.06316.46
5.4.80.0000.07716.50
5.4.70.0000.06316.43
5.4.60.0070.07316.48
5.4.50.0070.06716.44
5.4.40.0000.04316.45
5.4.30.0030.03316.30
5.4.20.0030.07016.43
5.4.10.0070.07316.36
5.4.00.0030.07715.85
5.3.290.0100.07314.64
5.3.280.0100.06714.70
5.3.270.0030.07714.52
5.3.260.0170.07014.65
5.3.250.0100.04014.67
5.3.240.0030.05014.66
5.3.230.0170.07314.66
5.3.220.0030.05314.56
5.3.210.0030.04714.53
5.3.200.0100.07314.51
5.3.190.0030.07314.52
5.3.180.0070.05714.54
5.3.170.0100.06314.65
5.3.160.0070.07714.51
5.3.150.0070.07714.59
5.3.140.0030.06714.67
5.3.130.0030.07714.50
5.3.120.0030.05314.48
5.3.110.0070.07714.54
5.3.100.0030.08014.18
5.3.90.0070.05714.08
5.3.80.0030.08014.11
5.3.70.0030.08014.08
5.3.60.0000.06313.99
5.3.50.0070.07313.96
5.3.40.0000.05714.01
5.3.30.0070.05014.04
5.3.20.0030.05313.74
5.3.10.0100.07013.56
5.3.00.0000.06013.77
5.2.170.0030.05312.21
5.2.160.0000.06712.21
5.2.150.0000.07012.21
5.2.140.0070.06312.21
5.2.130.0130.05712.21
5.2.120.0070.06312.21
5.2.110.0030.06712.21
5.2.100.0030.06712.21
5.2.90.0000.04312.21
5.2.80.0030.06312.21
5.2.70.0070.06012.21
5.2.60.0070.05712.21
5.2.50.0070.06312.21
5.2.40.0000.06012.21
5.2.30.0030.05312.21
5.2.20.0070.06012.21
5.2.10.0070.06012.21
5.2.00.0000.05712.21
5.1.60.0030.04712.21
5.1.50.0030.04312.21
5.1.40.0030.05712.21
5.1.30.0070.04012.21
5.1.20.0000.05712.21
5.1.10.0030.04712.21
5.1.00.0000.05312.21
5.0.50.0000.03712.21
5.0.40.0070.02712.21
5.0.30.0000.07312.21
5.0.20.0030.04012.21
5.0.10.0070.03712.21
5.0.00.0070.06312.21
4.4.90.0030.03012.21
4.4.80.0000.02712.21
4.4.70.0000.03712.21
4.4.60.0000.03712.21
4.4.50.0030.03012.21
4.4.40.0000.05312.21
4.4.30.0000.03712.21
4.4.20.0000.03012.21
4.4.10.0070.02712.21
4.4.00.0030.05012.21
4.3.110.0030.03012.21
4.3.100.0000.02712.21
4.3.90.0000.03312.21
4.3.80.0030.03312.21
4.3.70.0000.02712.21
4.3.60.0070.02012.21
4.3.50.0070.02012.21
4.3.40.0030.05012.21
4.3.30.0000.03312.21
4.3.20.0000.03712.21
4.3.10.0000.03012.21
4.3.00.0000.04012.21

preferences:
57.78 ms | 401 KiB | 5 Q