为什么PHP包含不起作用？

Question

I'm trying to make a page view counter. I'm a newbie to PHP. Here is my problem: I'm using this code in "index.php":

<?php
    include "visitcounter.php";
?>

And using the following code in "visitcounter.php":

<?php
session_start();
if(isset($_SESSION['visitcount']) {
    $_SESSION['visitcount'] = $_SESSION['visitcount']+1;
} else {
    $_SESSION['visitcount'] = 1;
}

echo "Total Page Views = ".$_SESSION['visitcount'];

?>

The problem is the page index.php is showing server error. If I change the code with the following code in index.php:

<?php
    include "/visitcounter.php";
?>

Then the page not show any error message but display nothing. Anyone please help me to figure out what is the wrong I'm doing.

Answer 1

First of all, the point mentioned of Silvio Silva is the problem.

Change from:

session_start()

to:

session_start();

To avoid such problems in future, just add to the file:

ini_set("display_errors","on");
error_reporting(E_ALL);

This will show you such errors then directly in the output, so that you can find it easier.