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->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)
8.3.60.0040.01116.75
8.3.50.0110.01122.18
8.3.40.0150.00418.77
8.3.30.0000.01519.04
8.3.20.0160.00320.11
8.3.10.0090.00921.75
8.3.00.0110.00819.38
8.2.180.0120.00618.41
8.2.170.0160.00322.96
8.2.160.0120.00920.52
8.2.150.0110.00724.18
8.2.140.0030.01624.66
8.2.130.0140.00326.16
8.2.120.0040.00422.25
8.2.110.0080.00022.00
8.2.100.0120.00017.97
8.2.90.0050.00319.23
8.2.80.0000.00818.04
8.2.70.0000.00817.75
8.2.60.0030.00618.04
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0000.00718.11
8.2.20.0050.00217.73
8.2.10.0080.00018.07
8.2.00.0000.00817.69
8.1.280.0100.01025.92
8.1.270.0140.00023.91
8.1.260.0150.00426.35
8.1.250.0100.01028.09
8.1.240.0060.00323.83
8.1.230.0030.00819.02
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0090.00017.38
8.1.190.0040.00417.30
8.1.180.0000.00818.10
8.1.170.0080.00018.50
8.1.160.0030.00521.84
8.1.150.0040.00418.49
8.1.140.0020.00517.45
8.1.130.0040.00417.75
8.1.120.0060.00317.41
8.1.110.0000.00717.42
8.1.100.0030.00517.44
8.1.90.0030.00517.44
8.1.80.0040.00417.38
8.1.70.0030.00317.28
8.1.60.0030.00617.61
8.1.50.0000.00817.57
8.1.40.0040.00417.54
8.1.30.0040.00417.52
8.1.20.0040.00417.57
8.1.10.0080.00017.54
8.1.00.0040.00417.51
8.0.300.0070.00018.77
8.0.290.0070.00017.04
8.0.280.0040.00418.31
8.0.270.0070.00017.12
8.0.260.0000.00616.79
8.0.250.0030.00316.90
8.0.240.0030.00716.84
8.0.230.0050.00217.03
8.0.220.0000.00716.95
8.0.210.0070.00016.94
8.0.200.0000.00616.94
8.0.190.0000.00716.84
8.0.180.0000.00716.92
8.0.170.0050.00216.91
8.0.160.0030.00316.82
8.0.150.0040.00416.96
8.0.140.0080.00016.77
8.0.130.0080.00013.32
8.0.120.0030.00516.86
8.0.110.0000.00816.91
8.0.100.0000.00816.90
8.0.90.0000.00716.99
8.0.80.0030.01316.86
8.0.70.0000.00716.87
8.0.60.0020.00516.90
8.0.50.0040.00416.77
8.0.30.0050.01317.15
8.0.20.0090.01317.40
8.0.10.0080.00016.89
8.0.00.0140.00716.93
7.4.330.0050.00015.07
7.4.320.0040.00416.40
7.4.300.0000.00716.53
7.4.290.0040.00416.59
7.4.280.0030.00316.45
7.4.270.0030.00316.64
7.4.260.0030.00316.54
7.4.250.0030.00516.33
7.4.240.0040.00316.61
7.4.230.0040.00416.61
7.4.220.0070.01016.62
7.4.210.0060.00816.61
7.4.200.0040.00416.51
7.4.190.0000.00716.70
7.4.160.0070.01516.53
7.4.150.0060.01217.40
7.4.140.0120.00517.86
7.4.130.0090.00716.42
7.4.120.0080.00916.61
7.4.110.0170.00716.51
7.4.100.0070.01016.48
7.4.90.0030.01316.56
7.4.80.0100.00719.39
7.4.70.0080.00816.38
7.4.60.0110.01216.55
7.4.50.0000.00616.45
7.4.40.0050.00822.77
7.4.30.0100.00716.43
7.4.10.0100.01015.04
7.4.00.0100.00915.03
7.3.330.0000.00513.35
7.3.320.0040.00413.17
7.3.310.0070.00016.19
7.3.300.0000.00716.42
7.3.290.0040.01116.32
7.3.280.0120.00816.36
7.3.270.0030.01317.40
7.3.260.0130.00416.40
7.3.250.0150.00916.51
7.3.240.0070.01016.38
7.3.230.0130.00316.52
7.3.210.0090.01016.37
7.3.200.0090.00919.39
7.3.190.0140.00616.61
7.3.180.0120.00416.35
7.3.170.0150.00916.60
7.3.160.0140.00616.44
7.3.130.0070.01114.96
7.3.120.0060.01114.75
7.3.110.0080.00914.90
7.3.100.0060.00914.86
7.3.90.0060.00814.63
7.3.80.0060.00514.80
7.3.70.0050.00914.71
7.3.60.0070.00714.74
7.3.50.0060.00514.89
7.3.40.0070.00714.79
7.3.30.0040.00914.79
7.3.20.0060.00916.60
7.3.10.0050.00816.67
7.3.00.0050.00916.72
7.2.330.0130.01016.68
7.2.320.0060.01216.55
7.2.310.0060.01416.77
7.2.300.0090.00916.70
7.2.290.0030.01716.46
7.2.260.0090.00915.15
7.2.250.0070.01114.79
7.2.240.0070.01014.97
7.2.230.0080.00714.83
7.2.220.0080.00614.89
7.2.210.0060.00815.00
7.2.200.0040.01015.03
7.2.190.0050.00914.86
7.2.180.0020.01214.98
7.2.170.0070.00915.02
7.2.160.0050.00714.79
7.2.150.0070.00816.75
7.2.140.0040.00916.75
7.2.130.0040.00816.73
7.2.120.0130.00316.72
7.2.110.0040.01016.67
7.2.100.0060.00816.97
7.2.90.0060.00416.75
7.2.80.0070.00916.82
7.2.70.0020.01516.59
7.2.60.0050.01416.89
7.2.50.0060.01116.87
7.2.40.0070.00716.79
7.2.30.0070.01116.80
7.2.20.0050.00816.73
7.2.10.0100.00616.87
7.2.00.0080.00517.72
7.1.330.0060.00815.74
7.1.320.0050.01015.77
7.1.310.0040.01015.80
7.1.300.0060.00815.70
7.1.290.0060.00615.67
7.1.280.0050.01015.75
7.1.270.0060.00615.62
7.1.260.0060.00815.74
7.1.250.0050.00915.79
7.1.240.0000.01415.76
7.1.230.0030.01315.52
7.1.220.0030.00615.84
7.1.210.0100.00315.63
7.1.200.0060.00315.72
7.1.190.0040.00715.79
7.1.180.0030.01415.68
7.1.170.0060.01215.53
7.1.160.0080.00315.84
7.1.150.0030.01015.76
7.1.140.0030.00915.58
7.1.130.0040.01115.77
7.1.120.0060.00915.74
7.1.110.0000.01115.52
7.1.100.0030.00717.07
7.1.90.0090.00615.88
7.1.80.0040.01115.79
7.1.70.0020.00716.48
7.1.60.0100.00817.55
7.1.50.0050.01216.27
7.1.40.0030.01015.78
7.1.30.0070.00715.78
7.1.20.0070.00715.72
7.1.10.0040.00715.49
7.1.00.0020.04119.11
7.0.330.0040.01515.47
7.0.320.0000.01215.40
7.0.310.0040.01115.12
7.0.300.0030.01115.18
7.0.290.0040.00715.49
7.0.280.0060.00615.37
7.0.270.0030.01315.48
7.0.260.0090.00315.38
7.0.250.0030.00615.63
7.0.240.0030.00715.46
7.0.230.0070.00715.26
7.0.220.0030.00715.25
7.0.210.0030.00915.61
7.0.200.0070.00416.03
7.0.190.0080.00515.41
7.0.180.0130.00015.46
7.0.170.0030.01015.44
7.0.160.0040.00415.27
7.0.150.0040.01215.38
7.0.140.0100.03518.79
7.0.130.0070.01115.59
7.0.120.0040.00415.58
7.0.110.0030.00615.40
7.0.100.0100.04017.72
7.0.90.0130.04217.70
7.0.80.0230.04317.70
7.0.70.0090.03717.72
7.0.60.0260.04017.78
7.0.50.0050.04717.87
7.0.40.0100.03216.69
7.0.30.0080.04216.80
7.0.20.0100.03516.83
7.0.10.0020.02916.76
7.0.00.0060.04416.71
5.6.400.0030.00714.44
5.6.390.0030.00614.37
5.6.380.0080.00014.70
5.6.370.0040.01414.05
5.6.360.0090.00614.52
5.6.350.0070.00714.42
5.6.340.0090.00314.26
5.6.330.0030.01014.00
5.6.320.0060.00314.61
5.6.310.0110.00014.55
5.6.300.0030.00614.28
5.6.290.0000.01414.81
5.6.280.0040.04417.57
5.6.270.0050.00514.41
5.6.260.0040.00714.54
5.6.250.0070.03217.41
5.6.240.0030.04817.57
5.6.230.0030.04617.63
5.6.220.0020.03517.66
5.6.210.0060.04317.58
5.6.200.0180.03317.92
5.6.190.0140.03017.75
5.6.180.0110.04217.85
5.6.170.0080.04117.71
5.6.160.0050.04417.58
5.6.150.0080.04217.71
5.6.140.0020.04617.63
5.6.130.0050.03217.84
5.6.120.0060.02517.83
5.6.110.0040.02417.83
5.6.100.0030.02717.78
5.6.90.0080.02217.76
5.6.80.0030.02517.41
5.6.70.0030.02617.48
5.6.60.0020.02917.20
5.6.50.0060.02317.52
5.6.40.0060.01917.42
5.6.30.0030.02717.27
5.6.20.0020.02917.38
5.6.10.0050.02517.33
5.6.00.0030.03417.34
5.5.380.0080.04017.47
5.5.370.0060.03017.41
5.5.360.0030.04817.37
5.5.350.0050.04317.22
5.5.340.0050.02917.52
5.5.330.0050.04017.67
5.5.320.0050.03017.74
5.5.310.0150.03317.59
5.5.300.0030.03917.50
5.5.290.0090.04517.54
5.5.280.0020.02717.49
5.5.270.0020.03317.56
5.5.260.0060.02417.59
5.5.250.0030.02717.36
5.5.240.0070.02017.33
5.5.230.0090.02517.09
5.5.220.0050.02417.18
5.5.210.0050.02717.20
5.5.200.0080.02017.26
5.5.190.0040.02517.24
5.5.180.0050.02317.25
5.5.170.0100.00714.34
5.5.160.0050.02517.29
5.5.150.0050.02317.10
5.5.140.0030.02417.08
5.5.130.0120.03817.22
5.5.120.0070.02217.38
5.5.110.0080.02217.32
5.5.100.0050.02517.21
5.5.90.0020.02917.08
5.5.80.0040.02517.21
5.5.70.0030.03017.36
5.5.60.0060.02117.02
5.5.50.0050.02317.32
5.5.40.0050.02417.19
5.5.30.0060.02217.08
5.5.20.0050.02317.15
5.5.10.0070.02217.04
5.5.00.0060.01917.22
5.4.450.0050.03815.42
5.4.440.0050.02715.25
5.4.430.0070.02015.21
5.4.420.0090.01815.31
5.4.410.0020.02315.10
5.4.400.0020.02215.05
5.4.390.0070.01914.98
5.4.380.0070.02214.99
5.4.370.0030.02015.07
5.4.360.0000.02715.02
5.4.350.0030.02214.90
5.4.340.0060.02315.04
5.4.330.0040.00811.25
5.4.320.0020.03415.21
5.4.310.0000.02414.81
5.4.300.0050.02315.04
5.4.290.0020.02314.85
5.4.280.0060.02014.94
5.4.270.0050.02414.86
5.4.260.0020.02314.94
5.4.250.0030.02415.03
5.4.240.0070.02015.05
5.4.230.0030.02215.20
5.4.220.0030.02715.04
5.4.210.0070.02015.02
5.4.200.0040.02214.80
5.4.190.0050.02315.05
5.4.180.0080.01514.98
5.4.170.0050.01914.87
5.4.160.0050.01915.10
5.4.150.0030.02315.11
5.4.140.0020.02313.58
5.4.130.0050.01813.90
5.4.120.0090.02813.71
5.4.110.0080.03713.76
5.4.100.0070.02913.72
5.4.90.0080.02813.68
5.4.80.0020.03713.80
5.4.70.0060.03613.74
5.4.60.0050.03713.51
5.4.50.0050.03613.59
5.4.40.0080.03113.67
5.4.30.0070.03713.74
5.4.20.0000.03513.67
5.4.10.0050.03013.70
5.4.00.0030.03213.52
5.3.290.0050.02012.79
5.3.280.0050.02212.64
5.3.270.0030.02312.56
5.3.260.0070.02212.72
5.3.250.0030.02312.64
5.3.240.0030.02212.51
5.3.230.0050.02212.70
5.3.220.0030.03212.62
5.3.210.0070.01912.47
5.3.200.0100.03312.66
5.3.190.0050.03312.50
5.3.180.0050.03812.57
5.3.170.0040.03312.62
5.3.160.0020.04412.66
5.3.150.0000.04312.65
5.3.140.0070.03812.66
5.3.130.0050.04012.57
5.3.120.0120.03612.65
5.3.110.0090.03512.69
5.3.100.0030.04312.37
5.3.90.0020.03412.41
5.3.80.0030.03112.24
5.3.70.0070.01812.24
5.3.60.0080.04012.35
5.3.50.0030.04512.27
5.3.40.0000.03712.34
5.3.30.0020.03812.07
5.3.20.0050.03211.99
5.3.10.0070.03012.09
5.3.00.0020.04212.00
5.2.170.0000.06011.72
5.2.160.0070.04011.72
5.2.150.0070.06011.72
5.2.140.0130.05711.72
5.2.130.0070.06011.72
5.2.120.0070.05711.72
5.2.110.0030.05711.72
5.2.100.0030.03711.72
5.2.90.0070.02711.72
5.2.80.0030.04011.72
5.2.70.0070.05311.72
5.2.60.0030.05311.72
5.2.50.0070.06311.72
5.2.40.0100.04711.72
5.2.30.0030.05711.72
5.2.20.0000.06311.72
5.2.10.0070.05311.72
5.2.00.0100.05311.72
5.1.60.0000.05711.72
5.1.50.0070.04311.72
5.1.40.0070.05311.72
5.1.30.0070.02711.72
5.1.20.0030.03311.72
5.1.10.0030.03311.72
5.1.00.0070.04711.72
5.0.50.0030.02711.72
5.0.40.0070.02311.72
5.0.30.0030.06311.72
5.0.20.0030.04711.72
5.0.10.0070.02011.72
5.0.00.0070.06011.72
4.4.90.0100.02711.72
4.4.80.0000.03011.72
4.4.70.0030.03311.72
4.4.60.0000.04011.72
4.4.50.0070.01311.72
4.4.40.0000.05711.72
4.4.30.0030.01711.72
4.4.20.0030.03711.72
4.4.10.0030.02711.72
4.4.00.0000.03711.72
4.3.110.0000.02011.72
4.3.100.0000.03011.72
4.3.90.0030.03311.72
4.3.80.0030.05311.72
4.3.70.0070.02711.72
4.3.60.0030.03311.72
4.3.50.0000.03011.72
4.3.40.0000.02311.72
4.3.30.0000.02711.72
4.3.20.0030.03711.72
4.3.10.0000.04011.72
4.3.00.0000.03711.72

preferences:
55.37 ms | 401 KiB | 5 Q