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Editorial Team
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Asked: 2026-05-26T13:57:58+00:00

I’m relatively new at PHP and came across a slight problem. I have a

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I’m relatively new at PHP and came across a slight problem.
I have a php page called info.php and use an included php file called components.php to pull functions that have html code in them that is then used in page.php (and other pages.) I put the title in a variable called $title and then reference that in my components.php, but for some reason the components.php doesn’t recognize that as a title. Here’s the code, and thanks for all help ( I know my description of the problem is hard. Let me know if you need any more info)

page.php

<?php 
   include("components.php"); 
   $title = "This is my page Title!";
   echo writeHeader();
?>

components.php

<?php
   function writeHeader()
   {
      echo <<<HED    
        <html>
         <head>
           <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
           <title>
      HED;

      echo $title;
      echo <<<HED

           </title>
      HED;
   }
?>
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1 Answer

  1. Editorial Team

    Good solution: Pass $title as a parameter to he function.

    Less good solution: Declare $title as 

       global $title

    within the function to make it belong to the global scope.

    Without declaring it as global, it is a fresh new variable.

    To summarize the comments:

    • Never use global! Anything a function/method depends on, should be passed as a parameter.

    • Never access $_GLOBALS! Same reason.

    • Disable register_globals! No GET-parameters should be automatically injected into your application.

    • Enable the highest error level! Write your application in such a way, that no error or warning gets printed.

    Unfortunately, my question regarding PHP newbie practices is closed. But it provides some helpful hints.

    In case you like it, click the re-open link.

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