PHP/Data Structure/Array List

Iterating an Array with foreach and while/list/each

<?php
     $pc_parts = array();
     $pc_parts["Memory"] = "256 MB";
     $pc_parts["CPU"] = "Athlon Thunderbird";
     $pc_parts["Video Card"] = "Matrox";
     $pc_parts["Hard Drive"] = "IBM";
   
     foreach($pc_parts as $part_type => $part_name) {
          $buf = sprintf("Part name is: <strong>%s</strong> Part value is: 
                          <strong>%s</strong>", $part_type, $part_name);
          echo $buf . "<br />";
     }
     echo "<br /><br />";
   
     reset($pc_parts);
     while (list($part_type, $part_name) = each($pc_parts))
     {
          $buf = sprintf("Part name is: <strong>%s</strong> Part value is: 
                          <strong>%s</strong>", $part_type, $part_name);
          echo $buf . "<br />";
     }
?>