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<?php class SudokuSolver { protected $sudoku; public function __construct(array $sudoku) { $this->sudoku = $sudoku; } public function print() { foreach ($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();
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $sudoko in /in/MD10b on line 48 Fatal error: Uncaught TypeError: SudokuSolver::__construct(): Argument #1 ($sudoku) must be of type array, null given, called in /in/MD10b on line 48 and defined in /in/MD10b:6 Stack trace: #0 /in/MD10b(48): SudokuSolver->__construct(NULL) #1 {main} thrown in /in/MD10b on line 6
Process exited with code 255.

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