Abstract Model class

Abstract.php

<?php

/**
 * Abstract Model class
 */
abstract class Abstract
{
    
    /**
     * stored values
     * @var mixed
     */
    protected $_value;
    
    public function __set(string $key, $value)
    {
        $this->_value[$key] = $value;
    }
    
    public function __get($key)
    {
        return $this->_value[$key];
    }
    
    /**
     * Store Value
     * return class object for key chain
     * 
     * @param string $key
     * @param mixed $value
     */
    public function setValue(string $key, $value)
    {
        $this->_value[$key] = $value;
        return $this;
    }
    
    /**
     * Store values
     * @param array $array
     */
    public function setValues(array $array)
    {
        foreach($array as $key => $value) {
            $this->_value[$key] = $value;
        }
        return $this;
    }
}