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Current File : C:/xampp/htdocs/moodle/lib/horde/framework/Horde/Support/Stub.php

<?php
/**
 * Copyright 2008-2017 Horde LLC (http://www.horde.org/)
 *
 * @category  Horde
 * @copyright 2008-2017 Horde LLC
 * @license   http://www.horde.org/licenses/bsd BSD
 * @package   Support
 */

/**
 * Class that can substitute for any object and safely do nothing.
 *
 * @category  Horde
 * @copyright 2008-2017 Horde LLC
 * @license   http://www.horde.org/licenses/bsd BSD
 * @package   Support
 */
class Horde_Support_Stub implements ArrayAccess, Countable, IteratorAggregate
{
    /**
     * Cooerce to an empty string.
     *
     * @return string
     */
    public function __toString()
    {
        return '';
    }

    /**
     * Ignore setting the requested property.
     *
     * @param string $key  The property.
     * @param mixed $val   The property's value.
     */
    public function __set($key, $val)
    {
    }

    /**
     * Return null for any requested property.
     *
     * @param string $key  The requested object property.
     *
     * @return null  Null.
     */
    public function __get($key)
    {
        return null;
    }

    /**
     * Property existence.
     *
     * @param string $key  The requested object property.
     *
     * @return boolean  False.
     */
    public function __isset($key)
    {
        return false;
    }

    /**
     * Ignore unsetting a property.
     *
     * @param string $key  The requested object property.
     */
    public function __unset($key)
    {
    }

    /**
     * Gracefully accept any method call and do nothing.
     *
     * @param string $method  The method that was called.
     * @param array $args     The method's arguments.
     */
    public function __call($method, $args)
    {
    }

    /**
     * Gracefully accept any static method call and do nothing.
     *
     * @param string $method  The method that was called.
     * @param array $args     The method's arguments.
     */
    public static function __callStatic($method, $args)
    {
    }

    /* ArrayAccess methods. */

     /**
      */
     public function offsetGet($offset)
     {
         return null;
     }

    /**
     */
    public function offsetSet($offset, $value)
    {
    }

    /**
     */
    public function offsetExists($offset)
    {
        return false;
    }

    /**
     */
    public function offsetUnset($offset)
    {
    }

    /* Countable methods. */

    /**
     */
    public function count()
    {
        return 0;
    }

    /* IteratorAggregate method. */

    /**
     */
    public function getIterator()
    {
        return new ArrayIterator(array());
    }

}