<?php

class File {







    /**
     * @param $path
     * @return string
     * calculates the files fast hash
     */
    public function getFhash( $path ){

        $fhash = '';


        //GET SIZE
        $size = $this->getSize( $path );


        if( $size > 150000 ){

            $fhandle = fopen($path, "r+");
            $contents = fread($fhandle, 100000 );
            fclose($fhandle);

            $fhash = hash( 'md5', $contents );
        }
        else{

            $fhash = $this->getMd5( $path );
        }



        $fhash = md5( $fhash . $size );


        return $fhash;
    }





    /**
     * @param $path
     * @return int
     * gets filesize
     */
    public function getSize( $path ){

        $size = filesize( $path );
        if( $size == false ){
            $size = 0;
        }

        return $size;
    }



    /**
     * @param $path
     * @return string
     * calculates the files md5 hash
     */
    public function getMd5( $path ){

        return md5_file( $path );
    }




}
?>