Magic square calculation 2 dimensional array C++

Question

So I need to make a code with these functions. the checkMatrix has to be a boolean and the getData has to pass the 1D array. How do I check the magic square with a 2D array? instructions :Write a program that will prompt the user for the integers to fill a 3 x 3 two dimensional array that builds a table. Once the data is entered the program checks to see if the table forms a magic square. When complete have the program prompt the user to see if they want to test another square and loop back accordingly. Note: Your solution should validate the input to the program from erroneous input. This means that your program checks to see that the data entered is numeric and in the range of 1 and 9 inclusive and not duplicate data can be entered. Hint: A one dimensional array could be used to keep a tally of which numbers have been assigned to the magic square. Program Style= The program must contain the following functions that carry out the operations in the given descriptions. Use the function names given. All data must be passed to required functions by value or reference; no global variables are allowed. Function Description= main= This function explains the magic square directions, organizes calls to other functions, and reports final result. getData= This function gets and validates the 9 digits entered by the user to fill the 3 x 3 table. Must implement passing of array data. checkMatrix= This function is passed the array data matrix entered by the user determine if it is a magic square sequence and returns a Boolean as result of test.

            #include <iostream>
            #include <windows.h>

            using namespace std;

            int checkMatrix()
            int getData(input[9] );
            //prototypes

            int main()
            {
                    char repeat;
                    //declaration of variables
                do
                {
                    system("cls");
                    //clear screen between calculations

                    cout << "**********************************************************" << endl;
                    cout << "**         CSC 175 Program #6 by Morgan Kelly           **" << endl;
                    cout << "**                                                      **" << endl;
                    cout << "**  Enter a magic square sequence by assigning a value  **" << endl;
                    cout << "**  from 1 to 9 to each location of a 3 by 3 table.     **" << endl;                                                                **" << endl;
                    cout << "**********************************************************" << endl;
                    //header




                    getData(input[9]);
                    //call getData function

                    cout << "*************" << endl;
                    cout << "*" << input[0] << " " << input[1] << " " input [2] << "*" << endl;
                    cout << "*" << input[3] << " " << input[4] << " " input [5] << "*" << endl;
                    cout << "*" << input[6] << " " << input[7] << " " input [8] << "*" << endl;
                    cout << "*************" << endl;

                    if checkMatrix()= true
                        cout << "This is a magic square!" << endl;  
                    else
                        cout << "This is not a magic square!" <<endl;

                    cout << "Want to check another table? (y/n): ";
                    cin >> repeat;

                } while (repeat == 'y' or repeat == 'Y');
                //repeat program and be able to calculate another table

                return 0;
            }


             int getData(input[9])
            {
                int input[9];
                //declaration of 1 dimensional array

                while (input[9] >0 and input[9]<10)
                {
                    cout << "Enter row 1 and column 1: ";
                    cin >> input[0];
                    cout << endl;
                    cout << "Enter row 1 and column 2: ";
                    cin >> input[1];
                    cout << endl;
                    cout << "Enter row 1 and column 3: ";
                    cin >> input[2];
                    cout << endl;
                    cout << "Enter row 2 and column 1: ";
                    cin >> input[3];
                    cout << endl;
                    cout << "Enter row 2 and column 2: ";
                    cin >> input[4];
                    cout << endl;
                    cout << "Enter row 2 and column 3: ";
                    cin >> input[5];
                    cout << endl;
                    cout << "Enter row 3 and column 1: ";
                    cin >> input[6];
                    cout << endl;
                    cout << "Enter row 3 and column 2: ";
                    cin >> input[7];
                    cout << endl;
                    cout << "Enter row 3 and column 3: ";
                    cin >> input[8];
                    cout << endl;
                }
                if cin.fail()
                cin.clear();
                cin.sync();
                cout << "INVALID INPUT - ";
                //validates for input(numbers) that are between 1 and 9 only

                //input numbers from user and validate

                 return input[9];     
            }


            bool checkMatrix()
            {
               if array1[]=array2[]
                {return true;}
               else
               {return false;}  
            }