confused about clicking on a map

[temiz]

hello

I am confused about clicking on a map.

Should this click function reside in first php file or second php file ?
~~~~~~~~~~~~~~
function click2map ($click_x, $click_y, $current_extent) {
    global $map;

    $x_pct = ($click_x / $_GET['map-width']);
    $y_pct = 1 - ($click_y / $_GET['mapheight']);

    $x_map = $current_extent[0] + ( ($current_extent[2] -
$current_extent[0]) * $x_pct);
    $y_map = $current_extent[1] + ( ($current_extent[3] -
$current_extent[1]) * $y_pct);

    return array($x_map, $y_map);
}

~~~~~~~~~~~~~~~~~~~~


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