<?php
    /***
     * Insert a segment of data into a string at a defined offset
     *
     * Author:
     * @author Jordan M
     *
     * Parameters:
     * @parm offset: The offset to insert data at
     **/
    private function specialEncode($offset)
    {
        //Grab the lengths of the hash and salt
        $len_salt = strlen($this->raw['salt']);
        $len_pass = strlen($this->raw['pass']);

        //Get a working copy of the raw password
        $special_pass = $this->raw['pass'];

        //The data to insert at x
        $ins_data = array();

        //The result of the encoding
        $final_data = '';

        //Work out where to inser what data
        for ($i = 0; $i < $len_pass; $i++)
        {
            //Work out the position to inser data at
            $ins_pos = ($i + $offset);

            //Is the number a minus if so get the absolute value
            if ($ins_pos > $len_pass) $ins_pos = abs($i - $offset);

            //Add the data to the array for storage
            $ins_data[$ins_pos] = $this->raw['salt'][$i];
        }

        //Count of salt segments handled
        $r = 0;

        foreach ($ins_data as $key => $value)
        {
            //Run aslong as the result hasnt reached the segment location
            for ($x = strlen($final_data); $x < $key; $x++)
            {
                //Append the data to the result
                $final_data .= $special_pass[ ($x + $r) ];
            }

            //Append the segment
            $final_data .= $value;

            //Count up the handled segments
            $r++;
        }

        $this->raw['pass'] = $final_data;
    }
?>