class fileManager extends dbConn
	{
		var $catId, $catImg, $catName;
		var $fileId, $fileCid, $fileAid, $filePost;
		var $fileName, $fileDescr, $fileImg, $fileURL, $filePw;
		var $clicks, $hits, $info;
		function cat ( )
		{
			function create ( $catName, $catImg )
			{
				$this->catName = $catName;
				$this->catImg = $catImg;
				
				parent::qry( "INSERT INTO `table` ( `name`, `img` ) 
						VALUES ( '$this->catName', '$this->catImg' )" );
			}
...
...

Fatal error: Call to a member function create() on a non-object in D:\Program Files\xampp\htdocs\prj\index.php on line 13

Fatal error: Call to undefined function cat() in D:\Program Files\xampp\htdocs\prj\classes\file.class.php on line 12

<?php
	class fileManager extends dbConn
	{
		var $catId, $catImg, $catName;
		var $fileId, $fileCid, $fileAid, $filePost;
		var $fileName, $fileDescr, $fileImg, $fileURL, $filePw;
		var $clicks, $hits, $info;
		function __construct ( )
		{
			cat();
			file();
		}
		function cat ( )
		{