//the array
        $table = array();

        //if the users picks numbers grab from form
        if (isset($_POST["coords"])) {
            $td1 = $_POST["td1"];
            $td2 = $_POST["td2"];
        //if not generate two randoms
        } else {
            $td1 = rand(1, 10);
            $td2 = rand(1, 10);
        }
        echo $td1 . " " . $td2;

        //generate a 2 dimensional array
        for ($i = 0; $i <= 10; $i++) {
            for ($n = 0; $n <= 10; $n++) {

                //find a 'O' or 'X'
                $rand = rand(0, 1);

                //make a cell red
                if ($i == $td1 && $n == $td2) {
                    if ($rand == 0) {
                        $table[$i][$n] = "<span style='background:red;'> X </span>";
                    } else {
                        $table[$i][$n] = "<span style='background:red;'>O</span>";
                    }
                }

                //make the rest defaults
                elseif ($rand == 0) {
                    $table[$i][$n] = "X";
                } else {
                    $table[$i][$n] = "O";
                }
            }
        }

        //print the arrays
        echo "<pre>";
        //print_r($table);
        echo "</pre>";
        //shuffle the array
        //start the table
        echo "<table style='float:left; margin-right:20px;' border='1'>";
        echo "<tr>";
        echo "<td></td>";
        for ($td = 0; $td <= 10; $td++) {
            echo "<td>$td</td>";
        }
        echo "</tr>";

        //echo the tables
        foreach ($table as $row => $col) {
            echo "<tr><td>$row</td>";

            foreach ($col as $cell) {
                echo "<td>$cell</td>";
            }

            echo '</tr>';
        }

        echo "</table>";
        ?>
        Pick the red field
        <form action="" method="POST">
            <input type="number" value="<?php echo $_POST["td1"]; ?>" name="td1" style="width:50px;"/>
            x
            <input type="number" value="<?php echo $_POST["td2"]; ?>" name="td2" style="width:50px;"/>
            <input type="submit" value="Pick it!" name="coords" />
        </form>