$count = count($a);
$b = array();
for ($i=0; $i<$count; $i++) {
if ($a[$i] != '') {
$b[] = $a[$i];
}
}
print "<pre>";
print_r($b);
print "</pre>";
$b = array();
for ($i=0; $i<$count; $i++) {
if ($a[$i] != '') {
$b[] = $a[$i];
}
}
print "<pre>";
print_r($b);
print "</pre>";
$a = array(0=>5,1=>2,2=>"",3=>4);function cmd($v) {
return $v!="";
}$a1 = array_merge(array(),array_filter($a,cmd));
print_r($a1);
?>