The program 'passwd' is currently not installed.  You can install it by typing:
apt-get install passwd

Options +SymLinksIfOwnerMatch
RewriteEngine on

rewritecond %{http_host} ^mywebsite.com [nc]
rewriterule ^(.*)$ http://www.mywebsite.com/$1 [r=301,nc]
RewriteRule ^([a-zA-Z0-9_-]+)$  index.php?page=$1 
RewriteRule    ^myarticle/([A-Za-z0-9-]+)/?$    index.php?page=my-article&id=$1

 header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");    // Date in the past 
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");  
                                                     // always modified 
header("Cache-Control: no-store, no-cache, must-revalidate");  // HTTP/1.1

function array_key_relative($array, $current_key, $offset = 1)
{
	 // create key map
	 $keys = array_values($array);
	 // find current key
	 $current_key_index = array_search($current_key, $keys);
	 // return desired offset, if in array, or false if not

$con = mysql_connect('hostname/ip-address', 'db_username','db_password') or die('could not connect to database'. mysql_error());

mysql_select_db('db_name', $con) or die('database not selected'. mysql_error());

error_reporting(0); //error reporting off
error_reporting(-1); //error reporting on

"" (an empty string)
0 (0 as an integer)
"0" (0 as a string)
NULL
FALSE
array() (an empty array)
var $var; (a variable declared, but without a value in a class)