php 101

Bigshadow

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PHP never ceases to amaze me....

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The requested URL /forum/showthread.php was not found on this server.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
 
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A

Andrew Green

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This link doesn't work...

hehe, blame Bob, buffaloit.com no longer exists ;)

Anyways...

Not good code, but simple, and hopefully easy to understand:

===========

A little intro to some basic php ideas and uses.

Seperates common elements of each page into one place, making it easier to redesign the page, add new pages, etc.

Also starts a session and uses it to track # of page views, as well as how to terminate a session.

There is 6 files to it, hopefully all get posted intact


index.php
Code:
<?php
  // This space would be a good place to add tracking information, such as logging # of
  // page views, which pages got viewed, ip addresses, browser info, where they came from, etc.
  // I may post some code to do this later, but for now: A page view counter!
  // The Logout button is really only there as a reset on the session, just to show how it works.

  session_start(); // Star the session, this gets done everytime you run the script.
    // The session ends when the browser is closed.
  if (isset($_SESSION['views'])){
    $_SESSION['views']++;
  }
  else {
    $_SESSION['views']=1; // Creates a session variable, it is retained as long as the session is active.

  }

  if ($_GET['action']=="logout") { // Check for the logout being pushed
    $_SESSION = array(); // Destroy any session Variables
    session_destroy(); // Destroy the session
    header("Location: index.php"); // Redirect back to self
      // This CANNOT be done after anything else has been sent to the browser.
    exit(); // exit the script
  }
  require_once('head.inc'); // Links in the header info for the page
  // in the head viewer is a added section to show how many pages have been viewed this session.
  
  // This changes the content of the body based on the "action" variable.
  // index.php?action=page1 sets the variable to "page1", this passes the variable through "GET"
  // These files are written in plain html.
  
  if ($_GET['action']=="page1") {
    require_once('page1.inc');
  }
  else if ($_GET['action']=="page2") {
    require_once('page2.inc');
  }
  else { // if nothing is passed, or something that isn't listed above display the main page.
    require_once('page0.inc');
  }

  // Display the footer info and close everything off.
  require_once('foot.inc');
?>
head.inc
Code:
<!DOCTYPE XHTML PUBLIC '-//W3C//DTD XHTML 1.0//EN' '[URL="http://www.w3.org/TR/xhtml1/xhtml1-strict.dtd%27%3E"]http://www.w3.org/TR/xhtml1/xhtml1-strict.dtd'>[/URL]
<html>
  <head>
    <title>Simple PHP Enhancements</title>
  </head>
  <body>
    You have viewed <?php echo $_SESSION['views'] ?> pages!
    <table border ='1' style='width:100%'>
      <tr>
       <th style='font-size:200%;'>Simple PHP Enhancements Demo</th>
      </tr>
      <tr>
        <td style='text-align:center'>
         <a href="index.php">Main</a>
         <a href="index.php?action=page1">Page 1</a>
         <a href="index.php?action=page2">Page 2</a>
         <a href="index.php?action=logout">Log Out</a>
        </td>
      </tr>
      <tr>
        <td>
foot.inc
Code:
        </td>
      </tr>      
      <tr>
       <td style='text-align:center'>Footer info</td>
      </tr>
    </table>
  </body>
</html>

page0.inc
Code:
<h3>Main Page</h3>

<p>
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
</p>
page1.inc
Code:
<h3>Page 1</h3>

<p>
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
</p>

page2.inc
Code:
<h3>Page 2</h3>

<p>
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
  Text goes here. Text goes here. Text goes here. Text goes here. Text goes here.
</p>
 

Bob Hubbard

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buffaloit.com merged into the rustaz.com forums.

Goto Rustaz.com/forum and look for Technics Guild.
 
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