Inspect an object in PHP

gistfile1.php

<?php
  // get_term_by returns an object
  $term = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) );

  $array = get_object_vars($term);
  while (list($key, $val) = each($array)) {
    echo "$key => $val"."<br />";
  }
?>