How to execute a php code [closed]_问答_开发者

开发者 https://www.devze.com 2023-03-25 12:28 出处：网络

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari

相关专题：php

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 11 years ago.

I need some explanations for how to execute the following PHP code. I am using Notepad++ & wamp server. All of files.php are to same directory.

Thanks ///////////////////////////////

index.php
//////////////////////////////
<?php  
require("decide-lang.php");  
?>  
<html><title>Exercice </title>  
<body>  
<?php echo TXT_INDEX; ?>  
<p><br>
  News: <?php echo TXT_NEWS; ?> <br>
  Conseil du jour: <?php echo TXT_CONSEIL_INDEX ; ?> </p>
<p>&nbsp;</p>
<p><a href="index.php?lang=en">Not french??</a></p>
</body>  
</html>  


//////////////////////////////
decide-lang.php
//////////////////////////////
<?php  
if ($lang=='fr') {           // si la langue est 'fr' (français) on inclut le fichier fr-lang.php  
include('fr-lang.php');  
}   
else if ($lang=='en') {      // si la langue est 'en' (anglais) on inclut le fichier en-lang.php  
include('en-lang.php');  
}  
else {                       // si aucune langue n'est déclarée on inclut le fichier fr-lang.php par défaut  
include('fr-lang.php');  
}  

?>  

//////////////////////////////
en-lang.php
/////////////////////////////
<?php  
define('TXT_INDEX', 'Welcome on YOu_Site.com!');  
define('TXT_NEWS', 'The sun is shining !');  
define('TXT_CONSEI开发者_StackOverflow中文版L_INDEX', 'Lets do some PHP !');  
?> 
//////////////////////////////
fr-lang.php
/////////////////////////////
<?php  
define('TXT_INDEX', 'Bienvenue sur votre_site.com !');  
define('TXT_NEWS', 'Il fait un soleil radieux !');  
define('TXT_CONSEIL_INDEX', 'Faites du PHP !');  

?>