csv.php

<?php

     class CSV
     {
         private $filename ;
         private $lines ;

         function __construct($filename)
         {
             $this->filename = $filename;
             $this->LoadFile();
         }

        private function LoadFile()
        {
            if (file_exists($this->filename) && filesize($this->filename) > 0 && $fp = @fopen($this->filename, 'r'))
                $this->lines = explode("\n", fread($fp, filesize($this->filename)));
            else
                echo ("file not found");
        }

         public function GetLast()
         {
            if ($this->Count() > 0)
                return $this->lines[$this->Count() - 1];
            else
                return NULL;
         }

         public function DeleteLast()
         {
            if (is_array($this->lines) && $this->Count() > 0)
                array_pop($this->lines);
         }

         public function Save()
         {
            if ($fp = @fopen($this->filename, 'w'))
            {
                for ($i = 0 ; $i < $this->Count() ; $i++)
                    fwrite($fp, $this->lines[$i] . ($i == $this->Count()-1 ? "" : "\n"));

                fclose($fp);
            }

         }

        public function Count()
        {
            if (is_array($this->lines))
                return count($this->lines);
            else
                return 0;
        }

     }

?>