Convert comma-divided database field into separate variables with PHP

Question

How can I convert database results that are within a comma-divided field into separate variables regardless of the number of results contained in the field.

Example:

Have:

$row['campo'] = 333,444,555,6666

Precise:

$var1='333'; 
$var2='444'; 

.
.

Answer 1

Using the function explode();

Ex:

$row['campo'] = 333,444,555,6666

$aux = explode(",", $row['campo']);

foreach($aux as $v){
  echo $v;
}