231 lines
3.9 KiB
PHP
231 lines
3.9 KiB
PHP
<?php
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namespace PicoFeed\Parser;
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/**
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* Feed Item.
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*
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* @author Frederic Guillot
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*/
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class Item
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{
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/**
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* List of known RTL languages.
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*
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* @var public
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*/
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public $rtl = array(
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'ar', // Arabic (ar-**)
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'fa', // Farsi (fa-**)
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'ur', // Urdu (ur-**)
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'ps', // Pashtu (ps-**)
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'syr', // Syriac (syr-**)
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'dv', // Divehi (dv-**)
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'he', // Hebrew (he-**)
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'yi', // Yiddish (yi-**)
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);
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/**
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* Item id.
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*
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* @var string
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*/
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public $id = '';
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/**
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* Item title.
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*
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* @var string
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*/
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public $title = '';
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/**
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* Item url.
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*
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* @var string
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*/
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public $url = '';
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/**
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* Item author.
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*
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* @var string
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*/
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public $author = '';
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/**
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* Item date.
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*
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* @var \DateTime
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*/
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public $date = null;
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/**
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* Item content.
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*
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* @var string
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*/
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public $content = '';
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/**
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* Item enclosure url.
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*
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* @var string
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*/
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public $enclosure_url = '';
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/**
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* Item enclusure type.
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*
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* @var string
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*/
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public $enclosure_type = '';
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/**
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* Item language.
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*
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* @var string
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*/
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public $language = '';
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/**
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* Raw XML.
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*
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* @var \SimpleXMLElement
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*/
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public $xml;
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/**
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* List of namespaces.
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*
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* @var array
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*/
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public $namespaces = array();
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/**
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* Get specific XML tag or attribute value.
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*
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* @param string $tag Tag name (examples: guid, media:content)
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* @param string $attribute Tag attribute
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*
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* @return array|false Tag values or error
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*/
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public function getTag($tag, $attribute = '')
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{
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// convert to xPath attribute query
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if ($attribute !== '') {
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$attribute = '/@'.$attribute;
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}
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// construct query
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$query = './/'.$tag.$attribute;
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$elements = XmlParser::getXPathResult($this->xml, $query, $this->namespaces);
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if ($elements === false) { // xPath error
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return false;
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}
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return array_map(function ($element) { return (string) $element;}, $elements);
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}
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/**
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* Return item information.
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*/
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public function __toString()
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{
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$output = '';
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foreach (array('id', 'title', 'url', 'language', 'author', 'enclosure_url', 'enclosure_type') as $property) {
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$output .= 'Item::'.$property.' = '.$this->$property.PHP_EOL;
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}
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$output .= 'Item::date = '.$this->date->format(DATE_RFC822).PHP_EOL;
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$output .= 'Item::isRTL() = '.($this->isRTL() ? 'true' : 'false').PHP_EOL;
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$output .= 'Item::content = '.strlen($this->content).' bytes'.PHP_EOL;
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return $output;
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}
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/**
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* Get title.
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*/
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public function getTitle()
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{
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return $this->title;
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}
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/**
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* Get url.
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*/
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public function getUrl()
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{
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return $this->url;
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}
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/**
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* Get id.
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*/
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public function getId()
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{
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return $this->id;
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}
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/**
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* Get date.
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*/
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public function getDate()
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{
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return $this->date;
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}
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/**
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* Get content.
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*/
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public function getContent()
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{
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return $this->content;
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}
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/**
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* Get enclosure url.
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*/
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public function getEnclosureUrl()
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{
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return $this->enclosure_url;
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}
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/**
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* Get enclosure type.
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*/
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public function getEnclosureType()
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{
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return $this->enclosure_type;
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}
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/**
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* Get language.
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*/
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public function getLanguage()
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{
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return $this->language;
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}
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/**
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* Get author.
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*/
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public function getAuthor()
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{
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return $this->author;
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}
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/**
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* Return true if the item is "Right to Left".
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*
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* @return bool
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*/
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public function isRTL()
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{
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return Parser::isLanguageRTL($this->language);
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}
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}
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