Unire i valori di questi 2 array

[marco80]

EDIT

$ar1 = array('a','b','c','d', '', '');
$ar2 = array('','','e','f', 'g');

print '<pre>';print_r($ar1);print '</pre>';   
print '<pre>';print_r($ar2);print '</pre>';   



$x = array_merge($ar1, $ar2);

$new = array();

foreach ($x as $val){
    if($val!='')
        $new[]=$val;
}



print '<pre>';print_r($new);print '</pre>';