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   1  <?php
   2  /**
   3   * Smarty plugin
   4   * 
   5   * @package Smarty
   6   * @subpackage Debug
   7   */
   8  
   9  /**
  10   * Smarty debug_print_var modifier plugin
  11   * 
  12   * Type:     modifier<br>
  13   * Name:     debug_print_var<br>
  14   * Purpose:  formats variable contents for display in the console
  15   *
  16   * @author Monte Ohrt <monte at ohrt dot com> 
  17   * @param array|object $var     variable to be formatted
  18   * @param integer      $depth   maximum recursion depth if $var is an array
  19   * @param integer      $length  maximum string length if $var is a string
  20   * @return string 
  21   */
  22  function smarty_modifier_debug_print_var ($var, $depth = 0, $length = 40)
  23  {
  24      $_replace = array("\n" => '<i>\n</i>',
  25          "\r" => '<i>\r</i>',
  26          "\t" => '<i>\t</i>'
  27          );
  28  
  29      switch (gettype($var)) {
  30          case 'array' :
  31              $results = '<b>Array (' . count($var) . ')</b>';
  32              foreach ($var as $curr_key => $curr_val) {
  33                  $results .= '<br>' . str_repeat('&nbsp;', $depth * 2)
  34                   . '<b>' . strtr($curr_key, $_replace) . '</b> =&gt; '
  35                   . smarty_modifier_debug_print_var($curr_val, ++$depth, $length);
  36                  $depth--;
  37              } 
  38              break;
  39              
  40          case 'object' :
  41              $object_vars = get_object_vars($var);
  42              $results = '<b>' . get_class($var) . ' Object (' . count($object_vars) . ')</b>';
  43              foreach ($object_vars as $curr_key => $curr_val) {
  44                  $results .= '<br>' . str_repeat('&nbsp;', $depth * 2)
  45                   . '<b> -&gt;' . strtr($curr_key, $_replace) . '</b> = '
  46                   . smarty_modifier_debug_print_var($curr_val, ++$depth, $length);
  47                  $depth--;
  48              } 
  49              break;
  50              
  51          case 'boolean' :
  52          case 'NULL' :
  53          case 'resource' :
  54              if (true === $var) {
  55                  $results = 'true';
  56              } elseif (false === $var) {
  57                  $results = 'false';
  58              } elseif (null === $var) {
  59                  $results = 'null';
  60              } else {
  61                  $results = htmlspecialchars((string) $var);
  62              } 
  63              $results = '<i>' . $results . '</i>';
  64              break;
  65              
  66          case 'integer' :
  67          case 'float' :
  68              $results = htmlspecialchars((string) $var);
  69              break;
  70              
  71          case 'string' :
  72              $results = strtr($var, $_replace);
  73              if (Smarty::$_MBSTRING) {
  74                  if (mb_strlen($var, Smarty::$_CHARSET) > $length) {
  75                      $results = mb_substr($var, 0, $length - 3, Smarty::$_CHARSET) . '...';
  76                  }
  77              } else {
  78                  if (isset($var[$length])) {
  79                      $results = substr($var, 0, $length - 3) . '...';
  80                  }
  81              }
  82  
  83              $results = htmlspecialchars('"' . $results . '"');
  84              break;
  85              
  86          case 'unknown type' :
  87          default :
  88              $results = strtr((string) $var, $_replace);
  89              if (Smarty::$_MBSTRING) {
  90                  if (mb_strlen($results, Smarty::$_CHARSET) > $length) {
  91                      $results = mb_substr($results, 0, $length - 3, Smarty::$_CHARSET) . '...';
  92                  }
  93              } else {
  94                  if (strlen($results) > $length) {
  95                      $results = substr($results, 0, $length - 3) . '...';
  96                  }
  97              }
  98               
  99              $results = htmlspecialchars($results);
 100      } 
 101  
 102      return $results;
 103  } 
 104  
 105  ?>