<?php

namespace AFB\Helper;


use AFB\Pattern\Singleton;


/**
 * Input Helper
 *
 * @package AFB\Helper
 */
class Input extends Singleton
{
	/**
	 * Constructor
	 *
	 * @param array $arguments
	 */
	protected function __construct( array $arguments = array() ) {
		// TODO: Implement __construct() method.
	}

	/**
	 * Get param
	 *
	 * @param string $key
	 *
	 * @return mixed
	 */
	public function get($key){
		return isset($_GET[$key]) ? $_GET[$key] : null;
	}

	/**
	 * Post param
	 *
	 * @param string $key
	 *
	 * @return mixed
	 */
	public function post($key){
		return isset($_POST[$key]) ? $_POST[$key] : null;
	}

	/**
	 * Request param
	 *
	 * @param string $key
	 *
	 * @return mixed
	 */
	public function request($key){
		return isset($_REQUEST[$key]) ? $_REQUEST[$key] : null;
	}

	/**
	 * Check nonce
	 *
	 * @param string $action
	 * @param string $key
	 *
	 * @return bool
	 */
	public function check_nonce($action, $key = '_wpnonce'){
		return wp_verify_nonce($this->request($key), $action);
	}

}