uisng php to display php

dopee · #1 09-May-2004, 05:39

Right so i've managed to read and display my menus of my site from a textfile, using php to dispaly the data in html format. Now I recently tried to add a poll to my one menu. This involves including an external php file. SO I enter this into my menu textfile:

PHP Code:


<?php 
$poll_show="website";
Include("poll/poll.php");
 ?>

But when I refresh my website, the contents of the textfile are display exact. Meaning when I view the source of the output of the webpage, everything is in html format, even for that php I entered into the textfile.
IE: This is what a part of the menu looks like (in html!!):

HTML Code:


<table border="0" width="100%">
<tr>
 <td align="center">Mywebsite Poll</td>
</tr>
<tr>
 <td align="center">
 <?php 
 $poll_show="website";
 Include("poll/poll.php");
 ?>
 </td>
</tr>
</table>

Why the Hell is the php not executed??!!!!!

JdS · #2 09-May-2004, 08:45

Are you still using fopen() and friends to include this textfile?

dopee · #3 09-May-2004, 11:03

yes I do and including the text file works fine. The problem is, the php code within the textfile does not want to execute.

dopee · #4 13-May-2004, 13:52

ANybody?

Perhaps when I store the php in the textfile, it should be stored as follows:
<?php
print "this is text generated by php";
?>

Will it execute then?

JdS · #5 14-May-2004, 08:53

Oops! Sorry Dopee, I was a bit distracted this week on some other things and I didn't mean to ignore this thread.

Anyway, my last reply should have given you a clue why it doesn't work...

So back to the issue; let's assume you had a regular web page named... say; new-1.php. Inside this PHP file you have this code:

PHP Code:


<html>
<head>
<title>Dopee's Test page: NEW-1.PHP</title>
</head>
<body>
<?php 
  // copied from your own code submitted previously in another thread
  include_once( './showmenu.php' );
?>
</body>
</html>

Now since you're using fopen() and friends to READ in the contents of lmenu.txt, it doesn't really parse ANY PHP code inside lmenu.txt!

To fix this you can do 2 things; you could use the function eval() to parse the contents off lmenu.txt AFTER it's read in by showmenu.php OR...

just modify the example above to something like this:

PHP Code:


<html>
<head>
<title>Dopee's Test page: NEW-1.PHP</title>
</head>
<body>
<?php
// we DON'T need this now...
  //include_once( './showmenu.php' );
  include_once( './lmenu.txt' );
?>
</body>
</html>

But remember, if that poll script is doing anything with headers and cookies, you're going to need the help of ob_start() and friends...

dopee · #6 14-May-2004, 15:06

I see now!
So instead of opening the textfile and printing it line by line, I use the include_once(); function and the php within the textfile is executed.
Thanx man big help ill try it now.

JdS · #7 14-May-2004, 18:40

Looks like you finally understood what I was trying to explain. Also, note the last sentence in my last reply. If you find "headers already sent..." errors, simply insert ob_start() to the top of your web page / script (not in the include files), like in the example below and hopefully, any such errors will go away:

PHP Code:


<?php ob_start(); ?>
<html>
<head>
<title>Dopee's Test page: NEW-1.PHP</title>
</head>
<body>
<?php
// we DON'T need this now...
  //include_once( './showmenu.php' );
  include_once( './lmenu.txt' );
?>
</body>
</html>

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