PHP Template System Code

Original - php Code <?php class Page { var $page; function Page($template = "template.html") { if (file_exists($template)) $this->page = join("", file($template)); else die("Template file $template not found."); } function parse($file) { ob_start(); include($file); $buffer = ob_get_contents(); ob_end_clean(); return $buffer; } function replace_tags($tags = array()) { if (sizeof($tags) > 0) foreach ($tags as $tag => $data) { $data = (file_exists($data)) ? $this->parse($data) : $data; $this->page = eregi_replace("{" . $tag . "}", $data, $this->page); } else die("No tags designated for replacement."); } function output() { echo $this->page; } } ?>

<?php
class Page
{
  var $page;
 
  function Page($template = "template.html") {
    if (file_exists($template))
      $this->page = join("", file($template));
    else
      die("Template file $template not found.");
  }
 
  function parse($file) {
    ob_start();
    include($file);
    $buffer = ob_get_contents();
    ob_end_clean();
    return $buffer;
  }
 
  function replace_tags($tags = array()) {
    if (sizeof($tags) > 0)
      foreach ($tags as $tag => $data) {
        $data = (file_exists($data)) ? $this->parse($data) : $data;
        $this->page = eregi_replace("{" . $tag . "}", $data,
                      $this->page);
        }
    else
      die("No tags designated for replacement.");
  }
 
  function output() {
    echo $this->page;
  }
}
?> 

Original - php Code if(isset($_SESSION['loggedin']){ echo "Code that displays only if the block is TRUE"; }

if(isset($_SESSION['loggedin']){
echo "Code that displays only if the block is TRUE";
} 

Original - php Code class newPage extends Page { function handleBlock() { // $start = regex finds <!-- LOGGED_IN BEGIN --> position and return offset // $end = regex finds <!-- LOGGED_IN STOP --> position and return offset if ($_SESSION[whatever-were-looking-for] != "TRUE") // replace the data in the position between the $start and $end with "" } }

 
class newPage extends Page {
 
  function handleBlock() {
    // $start = regex finds <!-- LOGGED_IN BEGIN --> position and return offset
    // $end = regex finds <!-- LOGGED_IN STOP --> position and return offset
 
    if ($_SESSION[whatever-were-looking-for] != "TRUE")
      // replace the data in the position between the $start and $end with "" 
  }
 
}