echo "<h2>Lotto</h2>";

$week1=array();
$pick=7;
$minnmr=1;
$maxnmr=42;
$random;

for($i=0; $i<=$pick; $i++)
{
    $random = rand($minnmr, $maxnmr);
    if( $week1[$i] == $random)
    $random = rand($minnmr,$maxnmr);
    else
    {
    $week1[] += $random;
    }
}

var_dump($week1);