Array Getter and Setter.

getter-setter.php

<?php
/**
 * Get Current Import Structure Array
 * 
 * @param string $path path to array key
 * 
 * @return void
 */
protected function _getCurrentImportStructure($path = null)
{
    //If no path return whole array
    if (!$path) {
        return $this->_currentImportStructure;
    }
    
    $ref  = &$this->_currentImportStructure;
    $keys = explode('.', $path);

    foreach ($keys as $idx => $key) {
        if (!is_array($ref)) {
            return null;
        }
        if (!array_key_exists($key, $ref)) {
            return null;
        }
        $ref = &$ref[$key];
    }        
    return $ref;
}//end _getCurrentImportStructure()


/**
 * Get Current Import Structure Array
 * 
 * @param string $path  path to array key
 * @param string $value value
 * 
 * @return void
 */
protected function _setCurrentImportStructure($path = null, $value = null)
{
    //If no path return nothing
    if (!$path) {
        return;
    }

    $ref  = &$this->_currentImportStructure;
    $keys = explode('.', $path);
    
    foreach ($keys as $idx => $key) {
        if (!is_array($ref)) {
            return null;
        }
        if (!array_key_exists($key, $ref)) {
            $ref[$key] = array();
        }
        $ref = &$ref[$key];
    }
    $ref = $value;
}//end _setCurrentImportStructure()