PHP/Data Type/var dump

Outputting an Array As a Tree

 
<?php
  $customers= array(
            array("first" => "Bill", "last" => "Jones",
              "age" => 24, "state" => "CA"),
            array("first" => "Joyce", "last" => "Johnson",
              "age" => 21, "state" => "TX"),
      );
  printf("print_r():<pre>%s</pre>", print_r($customers, TRUE));
  printf("var_export():<pre>%s</pre>", var_export($customers, TRUE));
  print "var_dump():<pre>";
  var_dump($customers);
  print "</pre>";
?>