Log Browser > index.php

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				$sq[$square] = array( $value );
				$board[$square] = 0;
			}

			$flg = 0;

			foreach( $lines as $line ) {
				$type = array_shift( $line );

				if ( in_array( $square,$line )  ) {
					foreach( $line as $p ) {
						if ( $board[$p] == $value ) {
							$flg = 1;
							$msg = "<font color=red>There is a $value already " .
								"in that $type</font>";
						}
					}
				}
			}


			if ( $flg == 0 ) {
				play_move( $square,$value );

				if ( $mode == 'Create' ) {
					$pos = array(99);
					$val = array(99);
					$orig = $board;
					$square = ($square + 1) %81;
				}
			}
		} else {
			$msg = "<font color=red>You must select a square and then choose a value</font>";
		}

	} elseif ( $action == 'Empty' && $square >= 0 ) {


		if (	$square >= 0 and $square <= 80
			and $board[$square] > 0 
			&& ( in_array( $square,$pos ) or count($pos) == 1 ) ) {

			$board[$square] = 0;
			$orig[$square] = 0;

			init_options();

			if ( count($pos) == 1 ) {
				$action = 'Create';
			} else {
				$action = 'Pause';
			}

			# remove from playlist
			$tmp = array_search( $square, $pos );

			if ( $tmp > 0 ) {
				$pos[$tmp] = 82;
				$val[$tmp] = 0;
			}

			save_state($ip);
		}

	} elseif ( $action == 'Next' ) {
		$str = get_param( 'str' );

		$level = 'Next';
		$mode = 'Play';

		create_new_sudoku( $str );

		$action = 'Pause';

	} elseif ( $action == 'Restart' ) {

		$mode = 'Play';
		restart_puzzle();
		$orig[83] = time();

	} elseif ( $action == 'Normal' ) {
		$mode = 'Play';
		$last_move = -1;
		$info_screen = 0;
		$mode='Play';

	} elseif ( $action == 'Hint' ) {

		$orig[83]=-1;
		if ( $mode != 'Info' ) {
			$mode = 'Info';
			$last_move = -1;
			$info_screen = 1;

			
			$old_sq = $sq;
			$old_pos = $pos;
			$old_val = $val;
			$old_board = $board;
			$old_orig = $orig;

			make_a_move( 4 );

			$sq = $old_sq;
			$pos = $old_pos;
			$val = $old_val;
			$board = $old_board;
			$orig = $old_orig;

			# show hint
			if ( finished() ) {
				$msg = "The puzzle is finished !";
			} elseif ( $last_move == -1 ) {
				$msg = ereg_replace( ').*$', ')Can you see a move here?',$msg );
			} else {
				$msg = "($last_move)Can you see a move here?";
			}

			$orig[83]=-1;
		} else {
			$mode='Play';
		}

	} elseif ( $action == 'Play' || $action == 'Step' ) {

		$mode = 'Play';
		$orig[83]=-1;

		# square is set to 99 on first call so we can reset the board
		if ( $action == 'Step' && $square != 99 ) {
			restart_puzzle();

			$square = 0;
			$total_comp_time = 0;
			$msg = 'Sit back and watch the puzzle get solved';
		} else {
			$last_move = -1;
			$prev_opt_cnt = count_options_left();
			$start_time = time();

			make_a_move( 4 );

			$total_comp_time += (time() - $start_time);
		}

		if ( $testing ) { echo $last_move; }

		if ( finished() ) {
			save_in_db( 0 );

			if ( ! finished() ) {
				$msg = "Oh dear, I'm stuck !!!";
			} else {
					$msg = "finished !";
					log_msg( $msg );
			}

			$action = 'Pause';
		}

	} elseif ( $action == 'Create' or $action == 'Clear' ) {

		$mode = 'Create';
		$orig[83]=-1;

		if ( $action == 'Clear' ) {
			for( $c=0; $c<81; $c++ ) {
				$board[$c] = 0;	
				$orig[$c] = 0;	
			}

			init_options();
			$action = 'Create';
		} 

		$pos = array(99);
		$val = array(99);
		$orig = $board;
		$orig[81] = '';

		$msg = "To edit select squares and enter starting values";
	}

	save_state($ip);

	start_screen_html();

	print_board( );

	print( "<input type=hidden name=mode value=$mode>" );

	if ( $action == 'About' ) {
		$mode = 'Play';
		$action = 'Pause';
	}

	end_screen_html();


?>