<?php
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}
abstract class WaicBaseObject {
	protected $_internalErrors = array();
	protected $_haveErrors = false;
	public function pushError( $error, $key = '' ) {
		if (is_array($error)) {
			$this->_internalErrors = array_merge($this->_internalErrors, $error);
		} elseif (empty($key)) {
			$this->_internalErrors[] = $error;
		} else {
			$this->_internalErrors[ $key ] = $error;
		}
		$this->_haveErrors = true;
	}
	public function getErrors() {
		return $this->_internalErrors;
	}
	public function haveErrors() {
		return $this->_haveErrors;
	}
	public function getLastError() {
		if ($this->_haveErrors) {
			$keys = array_keys($this->_internalErrors); 
			return $this->_internalErrors[$keys[count($keys)-1]];
		}
		return '';
	}
}