<?php
/**
* @brief Class for managing Atom documents
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @license https://www.invisioncommunity.com/legal/standards/
* @package Invision Community
* @since 5 Feb 2014
*/
namespace IPS\Xml;
/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
/**
* Class for managing Atom documents
*/
class _Atom extends SimpleXML
{
/**
* Get title
*
* @return string
*/
public function title()
{
return $this->title;
}
/**
* Get articles
*
* @param mixed $guidKey In previous versions, we encoded a key with the GUID. For legacy purposes, this can be passed here.
* @return array
*/
public function articles( $guidKey=NULL )
{
$articles = array();
foreach ( $this->entry as $item )
{
$link = NULL;
if ( isset( $item->link ) )
{
/* Links are object nodes with attributes we need to parse - try to find the right link */
$linkToCheck = NULL;
foreach( $item->link as $_link )
{
$attributes = $_link->attributes();
if( !isset( $attributes['rel'] ) OR ( isset( $attributes['rel'] ) AND $attributes['rel'] == 'alternate' ) )
{
$linkToCheck = $attributes['href'];
break;
}
}
if( $linkToCheck )
{
try
{
$link = \IPS\Http\Url::external( $linkToCheck );
}
catch ( \Exception $e ) { }
}
}
$articles[ md5( $guidKey . ( (string) $item->id ) ) ] = array(
'title' => ( (string) $item->title ) ?: ( mb_substr( strip_tags( $item->content ), 0, 47 ) . '...' ),
'content' => isset( $item->content ) ? (string) $item->content : (string) $item->title,
'date' => \IPS\DateTime::ts( strtotime( $item->updated ) ),
'link' => $link
);
}
return $articles;
}
}