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<?php
/**
* A FeedHtmlField describes and generates
* a feed, item or image html field (probably a description). Output is
* generated based on $truncSize, $syndicateHtml properties.
*
* @author Pascal Van Hecke <feedcreator.class.php@vanhecke.info>
* @version 1.6
*/
class FeedHtmlField
{
/**
* Mandatory attributes of a FeedHtmlField.
*/
protected $rawFieldContent;
/**
* Optional attributes of a FeedHtmlField.
*/
public $truncSize, $syndicateHtml;
/**
* Creates a new instance of FeedHtmlField.
*
* @param string $parFieldContent if given, sets the rawFieldContent property
*/
public function __construct($parFieldContent)
{
if ($parFieldContent) {
$this->rawFieldContent = $parFieldContent;
}
}
/**
* Creates the right output, depending on $truncSize, $syndicateHtml properties.
*
* @return string the formatted field
*/
public function output()
{
// when field available and syndicated in html we assume
// - valid html in $rawFieldContent and we enclose in CDATA tags
// - no truncation (truncating risks producing invalid html)
if (!$this->rawFieldContent) {
$result = "";
} elseif ($this->syndicateHtml) {
$result = "<![CDATA[".$this->rawFieldContent."]]>";
} else {
if ($this->truncSize and is_int($this->truncSize)) {
$result = FeedCreator::iTrunc(htmlspecialchars($this->rawFieldContent), $this->truncSize);
} else {
$result = htmlspecialchars($this->rawFieldContent);
}
}
return $result;
}
}
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