Feed/Abstract.php

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Zend Framework

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Category: Zend
Copyright: Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
License: New BSD License
Package: Zend_Feed
Version: $Id$

\Zend_Feed_Abstract
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Package: Zend_Feed

The Zend_Feed_Abstract class is an abstract class representing feeds.

Zend_Feed_Abstract implements two core PHP 5 interfaces: ArrayAccess and Iterator. In both cases the collection being treated as an array is considered to be the entry collection, such that iterating over the feed takes you through each of the feed.s entries.

Implements
Parent(s): \Zend_Feed_Element
Children: \Zend_Feed_Rss; \Zend_Feed_Atom
Category: Zend
Copyright: Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
License: New BSD License

Properties

array $_entries

Cache of feed entries.

Details

Type: array

integer $_entryIndex = 0

Current index on the collection of feed entries for the Iterator implementation.

Default value0Details

Type: integer

Methods

__construct(string $uri = null, string $string = null, \Zend_Feed_Builder_Interface $builder = null) : void

Feed constructor

The Zend_Feed_Abstract constructor takes the URI of a feed or a feed represented as a string and loads it as XML.

Parameters

Name	Type	Description
$uri	string	The full URI of the feed to load, or NULL if not retrieved via HTTP or as an array.
$string	string	The feed as a string, or NULL if retrieved via HTTP or as an array.
$builder	\Zend_Feed_Builder_Interface	The feed as a builder instance or NULL if retrieved as a string or via HTTP.

Throws

Exception	Description
\Zend_Feed_Exception	If loading the feed failed.

__sleep() : array

Prepare for serialiation

Returns

Type	Description
array

__wakeup() : void

Load the feed as an XML DOMDocument object

Throws

Exception	Description
\Zend_Feed_Exception

_buildEntryCache() : void

Cache the individual feed elements so they don't need to be searched for on every operation.

_importFeedFromString(string $feed) : string

Import a feed from a string

Protects against XXE attack vectors.

Parameters

Name	Type	Description
$feed	string

Returns

Type	Description
string

Throws

Exception	Description
\Zend_Feed_Exception	on detection of an XXE vector

_mapFeedEntries(\DOMElement $root, array $array) : \DOMElement

abstract

Generate the entries of the feed when working in write mode

Parameters

Name	Type	Description
$root	\DOMElement	the root node to use
$array	array	the data to use

Returns

Type	Description
\DOMElement	root node

_mapFeedHeaders(array $array) : \DOMElement

abstract

Generate the header of the feed when working in write mode

Parameters

Name	Type	Description
$array	array	the data to use

Returns

Type	Description
\DOMElement	root node

count() : integer

Get the number of entries in this feed object.

Returns

Type	Description
integer	Entry count.

current() : mixed

Required by the Iterator interface.

Returns

Type	Description
mixed	The current row, or null if no rows.

key() : mixed

Required by the Iterator interface.

Returns

Type	Description
mixed	The current row number (starts at 0), or NULL if no rows

next() : mixed

Required by the Iterator interface.

Returns

Type	Description
mixed	The next row, or null if no more rows.

rewind() : void

Required by the Iterator interface.

send() : void

abstract

Send feed to a http client with the correct header

Throws

Exception	Description
\Zend_Feed_Exception	if headers have already been sent

valid() : boolean

Required by the Iterator interface.

Returns

Type	Description
boolean	Whether the iteration is valid

Feed/Abstract.php

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Properties

Methods

\Zend_Feed_Abstract
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