//core-loader.php

//Load content handler.
require_once("csContentHandler2.php");
$object = new csContentHandler();

echo $object->saContent[1];


//csContentHandler.php

class csContentHandler
{
	public static $szWebSiteGroupDetails = "";
 	public $saContent = "";							//An array containing the client requested content and data corresponding to it.
	public $szExternalPHPMainContentPage = "";		//Contains an external PHP file and content that replaces the default page template and is used for the entire page.
	public $szDocumentRoot = "";
	public static $szFoo = "";

	public function __construct()
	{
		self::$szWebSiteGroupDetails = "HTML Header Title Here";
		self::$szFoo = "Bye Bye";
		$this->szExternalPHPMainContentPage .= $this->fnGetFileContents("/var/www/htdocs/venmar/includes/page-repdir2.php");
		$this->saContent[1] = $this->szExternalPHPMainContentPage;

		$nInt = 1;
		switch($nInt)
		{
			case 1:
				self::$szFoo = "Hello World";
				break;
		}
	}

	private function fnGetFileContents($szFilename)
	{
		if(is_file($szFilename))
		{
			ob_start();
			include("$szFilename");
			$szContents = ob_get_contents();
			ob_end_clean();
			return $szContents;
		}
		return false;
	}
}


//page-repdir2.php

//Load content handler.
require_once("csContentHandler2.php");

//echo csContentHandler::$szWebSiteGroupDetails;
echo csContentHandler::$szFoo;
<?php echo var_dump(csContentHandler); ?>