class.debugger.php

Professional PHP5 code for this book

<?php

define('DEBUG_INFO', 100);
define('DEBUG_SQL', 75);
define('DEBUG_WARNING', 50);
define('DEBUG_ERROR', 25);
define('DEBUG_CRITICAL', 10);

class Debugger {

  public static function debug($data, $key = null, $debugLevel = DEBUG_INFO) {
    global $cfg;

    if(! isset($_SESSION['debugData'])) {
      $_SESSION['debugData'] = array();
    }

    if($debugLevel <= $cfg['DEBUG_LEVEL']) {
      $_SESSION['debugData'][$key] = $data;
    }
  }

  public static function debugPrint() {

    $arDebugData = $_SESSION['debugData'];
    print Debugger::printArray($arDebugData);
    
    $_SESSION['debugData'] = array();

  }

  function printArray($var, $title = true) {

    $string = '<table border="1">';
    if ($title) {
        $string .= "<tr><td><b>Key</b></td><td><b>Value</b></td></tr>\n";
    }

    if (is_array($var)) {
      foreach($var as $key => $value) {
          
          $string .= "<tr>\n" ;
          $string .= "<td><b>$key</b></td><td>";

          if (is_array($value)) {
              $string .= Debugger::printArray($value, false);
          } elseif(gettype($value) == 'object') {
              $string .= "Object of class " . get_class($value);
          } else {
              $string .= "$value" ;
          }

          $string .= "</td></tr>\n";
      }
    }

    $string .= "</table>\n";
    return $string;
  }

}
?>