<?php

$num_cells = 5; //how many cells show

$loc_x = 0; //taken from DB or input by user
$loc_y = 7; //taken from DB or input by user

$min_x = $loc_x - $num_cells; //minimum number map in x
$max_x = $loc_x + $num_cells; //maximum number map in x
$min_y = $loc_y - $num_cells; //minimum number map in y
$max_y = $loc_y + $num_cells; //maximum number map in y
?>
<table border='1'>
<tr bgcolor='#C0C0C0'>
    <td width='25'></td>
    <?php
    //scale of x
    for($x=$min_x; $x<=$max_x; $x++){
        echo "<td width='25'><center><b>$x</b></center></td>";
    }
    ?>
</tr>
<?php
for($y=$min_y; $y<=$max_y; $y++){
    echo "<tr>";
    echo "<td width='25' bgcolor='#C0C0C0'><center><b>$y</b></center></td>"; //scale of y
    for($x=$min_x; $x<=$max_x; $x++){
        if($x == $loc_x && $y == $loc_y){ //cheking if it's position of user
            echo "<td width='25'><center>X</center></td>"; //if yes, so put X
        }else{
            echo "<td width='25'></td>"; //if no, just free calumn
        }
    }
    echo "</tr>";
}
?>
</table>

Добавил: Sql_injection scam

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