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   1  <?php
   2  /**

   3   * Smarty plugin

   4   * @package Smarty

   5   * @subpackage plugins

   6   */
   7  
   8  /**

   9   * Smarty debug_print_var modifier plugin

  10   * 

  11   * Modified version of the default smarty plug-in that prevents endless looping when dealing with assigned

  12   * objects

  13   * 

  14   * 

  15   *

  16   * Type:     modifier<br>

  17   * Name:     debug_print_var<br>

  18   * Purpose:  formats variable contents for display in the console

  19   * @link http://smarty.php.net/manual/en/language.modifier.debug.print.var.php

  20   *          debug_print_var (Smarty online manual)

  21   * @param array|object

  22   * @param integer

  23   * @param integer

  24   * @return string

  25   */
  26  function smarty_modifier_debug_print_var($var, $depth = 0, $length = 40)
  27  {
  28      $_replace = array("\n"=>'<i>&#92;n</i>', "\r"=>'<i>&#92;r</i>', "\t"=>'<i>&#92;t</i>');
  29      if (is_array($var)) {
  30          $results = "<b>Array (".count($var).")</b>";
  31          foreach ($var as $curr_key => $curr_val) {
  32              $return = smarty_modifier_debug_print_var($curr_val, $depth+1, $length);
  33              $results .= "<br>".str_repeat('&nbsp;', $depth*2)."<b>".strtr($curr_key, $_replace)."</b> =&gt; $return";
  34          }
  35      } else if (is_object($var)) {
  36          $object_vars = get_object_vars($var);
  37          $results = "<b>".get_class($var)." Object (".count($object_vars).")</b>";
  38          foreach ($object_vars as $curr_key => $curr_val) {
  39              if ( is_object( $curr_val ) ) {
  40                  $return ='[object ' . get_class( $curr_val ) . ']';
  41              } else {
  42                  $return = smarty_modifier_debug_print_var($curr_val, $depth+1, $length);
  43              }
  44              $results .= "<br>".str_repeat('&nbsp;', $depth*2)."<b>$curr_key</b> =&gt; $return";
  45          }
  46      } else if (is_resource($var)) {
  47          $results = '<i>'.(string)$var.'</i>';
  48      } else if (empty($var) && $var != "0") {
  49          $results = '<i>empty</i>';
  50      } else {
  51          if (strlen($var) > $length ) {
  52              $results = substr($var, 0, $length-3).'...';
  53          } else {
  54              $results = $var;
  55          }
  56          $results = htmlspecialchars($results);
  57          $results = strtr($results, $_replace);
  58      }
  59      return $results;
  60  }
  61  
  62  /* vim: set expandtab: */

  63  
  64  ?>