php_sandbox/pointers.php

   1 <html>
   2 <head>
   3   <title>Loops: pointers</title>
   4 </head>
   5 <body>
   6   <?php
   7     $ages = array(4, 8, 15, 16, 23, 42);
   8   ?>
   9   <?php
  10     echo "1: " . current($ages) . "<br />";
  11     next($ages);
  12     echo "2: " . current($ages) . "<br />";
  13     reset($ages);
  14     echo "3: " . current($ages) . "<br />";
  15   ?>
  16   <br />
  17   <?php
  18     // while loop that moves the arrat pointer
  19     while ($age = current($ages)) {
  20       echo $age . ", ";
  21       next($ages);
  22     }
  23   ?>
  24 </body>
  25 </html>