Просмотр поста

$file = file('from.txt');
$count =
 count ($file);
for($i = 0; $i < $count; $i++)
{ 
    if($file[$i])
    {
        $ex = explode(' ', $file[$i]);
        $ex[0] = intval($ex[0]);
        $ex[1] = intval($ex[1]);
        if(($ex[0] AND ($ex[0] <= 1000 OR $ex[0] >= -1000)) AND ($ex[1] AND ($ex[1] <= 1000 OR $ex[1] >= -1000)))
        {
            $put .= '|' . $ex[0] + $ex[1] . '|';
        }
        else
        {
            break;
        }
    }
    else
    {
        break;
    }
}
file_put_contents('to.txt', $put);