<?php

// set_error_handler("handleErr"); 

class Error {

  function dbErr($err_str) {
    Error::showErr("Database Error:<br>$err_str <br>" . mysql_error());
  }

  function handleErr($errno, $errstr, $errfile, $errline) {
    $s = $errstr;
    $s .= "<br>Error Number: $errno";
    $s .= "<br>File containing error: $errfile";
    $s .= "<br>Line containing error: $errline";
    Error::showErr($s);
  }

  // displays errors, whether PHP errors or errors thrown in
  // my code to notify of undersirable behaviour
  function showErr($err_str) {
    // trace functions out of error
    $cur_functions = debug_backtrace();
    $content = "I'm sorry, there was an error in the code for this page.";
    if ($err_str != "") 
      $content .= "<p>Text of error:<p>$err_str";
    $content .= "<p>Current functions: ";
    foreach ($cur_functions as $this_function) {
      $content .= "<br>";
      $content .= $this_function["function"];
    }
    
    $title="Error";
    $content=$content;
    $width=DEFAULT_ITEM_WIDTH;
    $errBox = new TextBox($title, $content, $width);
    $errBox->display();

    die;
  }


}
?>