$offset=0;

$day_of_week = date("w",mktime(0,0,0,date("m")+1,4,date("Y")));

switch ($day_of_week)

{

    case 0:  $offset=1; break;

    case 6:  $offset=2; break;

    default: $offset=0;

}

$needed_date = mktime(0,0,0,date("m")+1,4+$offset,date("Y"));

$formated_date = date("Y-m-d",$needed_date);