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What's up with THIS (IE7 fluke) ???

 
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Old 06-03-2007, 01:54 PM

Question What's up with THIS (IE7 fluke) ???
Preface: I am learning PHP from a book with a cd-rom included.
Here is the code from Example 4.15.php --
Code:
<?php
    $age = 26;
    $old = &$age; // This is a valid assignment.
    $old = &(26 + 7); // Invalid; references an unnamed expression.
?>
I understand what it is trying to show, but most of the Examples at least *process* on my local Apache 2.2 / PHP 5.2.3 server, and I would expect an Error Message. What I do get is that both IE7 and Firefox display a blank page. Firefox even shows no page source, which I expect since the server processes and (effectively) hides the PHP code, but the fluke is THIS:
IE7 displays this (r-click - View Source) --
Code:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=windows-1252"></HEAD>
<BODY></BODY></HTML>
So WHERE did THAT come from??? Does IE *self-generate* HTML code???
signed, a perplexed and baffled Jim L.

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Old 06-03-2007, 03:03 PM

Re: What's up with THIS (IE7 fluke) ???
IE probably sees it as a blank page and pre-processes the doctype. You shouldn't be seeing anything in the source because its a PHP page and the code is processed on the server and then sends output to the browser.

As far as references. They more useful when your dealing with classes and objects. For example:

PHP Code:
/**
 *   Simple registry class
 *   By Pat Andrew 2007
 */
class Core {
     private $store = array();
     
     /**
      *  Register function,  assign a name and pass a variable / object
      *  usage:  Core::register('db', $db);
      */
     public function register($name, & $obj) {
         if(is_object($obj) || is_array($obj)) {
             $this->store[$name] =& $obj;
         } else {
             $this->store[$name] = $obj;
         }
    }
     /**
      *  Registry function,  get the data for a given name
      *  usage:  $db =& Core::registy('db');
      */
    public function registry($name) {
         if(isset($this->store[$name])) {
               return $this->store[$name];
         }
        return false;
    }
} 

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Old 06-03-2007, 06:58 PM

Re: What's up with THIS (IE7 fluke) ???
_-¯Wooosh!

That went right over MY head, Pat!

Wow I appreciate the effort, but note my 'title' is noobie...
...and I just opened the PHP book 3 days ago.

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