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PHP Class (to make XML) getting encoding error


gerkintrigg

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Hi everyone. I'm not too up on XML (shame on me!)

 

I've written the following class, but it keeps getting an encoding error... I know the other elements of the procedure (the other scripts) are right... or at least I think they are.

 

I've narrowed the issue down to somewhere in this script (probably the first few lines)

 

Can anyone help? I'm lost!

 

Thanks,

Neil

<?php
class RSSFeed {
// VARIABLES
    // channel vars
    var $channel_url;
    var $channel_title;
    var $channel_description;
    var $channel_lang;
    var $channel_copyright;
    var $channel_date;
    var $channel_creator;
    var $channel_subject;   
    // image
    var $image_url;
    // items
    var $items = array();
    var $nritems;
    
// FUNCTIONS
    // constructor
    function RSSFeed() {
            $this->nritems=0;
        $this->channel_url='';
        $this->channel_title='';
        $this->channel_description='';
        $this->channel_lang='';
        $this->channel_copyright='';
        $this->channel_date='';
        $this->channel_creator='';
        $this->channel_subject='';
        $this->image_url='';
    }   
    // set channel vars
    function SetChannel($url, $title, $description, $lang, $copyright, $creator, $subject) {
        $this->channel_url=$url;
        $this->channel_title=$title;
        $this->channel_description=$description;
        $this->channel_lang=$lang;
        $this->channel_copyright=$copyright;
        $this->channel_date=date("Y-m-d").'T'.date("H:i:s").'+01:00';
        $this->channel_creator=$creator;
        $this->channel_subject=$subject;
    }
    // set image
    function SetImage($url) {
        $this->image_url=$url;  
    }
    // set item
    function SetItem($url, $title, $description) {
        $this->items[$this->nritems]['url']=$url;
        $this->items[$this->nritems]['title']=$title;
        $this->items[$this->nritems]['description']=$description;
        $this->nritems++;   
    }
    // output feed
    function Output() {
        $output .= '<?xml version="1.0" encoding="UTF-8" ?>'."\n";
		$output .='<rss xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" version="2.0">'."\n";
        $output .= '<channel>'."\n"; # rdf:about="'.$this->channel_url.'">'."\n";
        $output .= '<title>'.$this->channel_title.'</title>'."\n";
        $output .= '<atom:link href="http://www.tingifts.co.uk/blog/" rel="self" type="application/rss+xml"/>'."\n";
		$output .= '<link>'.$this->channel_url.'</link>'."\n";
        $output .= '<description>'.$this->channel_description.'</description>'."\n";
        $output .= '<lastBuildDate>'.$this->channel_date.'</lastBuildDate>'."\n";
        $output .= '<language>'.$this->channel_lang.'</language>'."\n";
        $output .= '<sy:updatePeriod>hourly</sy:updatePeriod>
<sy:updateFrequency>1</sy:updateFrequency>'."\n";
		$output .= '<generator>http://www.tingifts.co.uk</generator>'."\n";
		$output .= '<item>'."\n";
        for($k=0; $k<$this->nritems; $k++) {
            
            $output .= '<title>'.$this->items[$k]['title'].'</title>'."\n";
            $output .= '<link>'.$this->items[$k]['url'].'</link>'."\n";
			$output .= '<image>'."\n";
			$output .= '   <url>'.$this->image_url.'</url>'."\n";
			$output .= '   <title>'.$this->items[$k]['title'].'</title>'."\n";
    		$output .= '   <link>'.$this->items[$k]['url'].'</link>'."\n";
			$output .= '</image>';
            $output .= '<description>'.$this->items[$k]['description'].'</description>'."\n";
        };
		$output .= '</item>'."\n";
		$output .= '</channel>'."\n";
		$output .= '</rss>'."\n";

        return $output;
    }
};
?>
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Not too up on PHP it seems either. That's 12+ years old code (look Mom, a dinosaur!). var is now public but this violates the encapsulation and should really be private. The old style constructor function RSSFeed() which was popular in PHP 4.0 but is now replaced by __construct in PHP5 (released in 2003).

 

And we are going to need the exact error as the code itself runs fine.

 

PS No offense intended, but that code is really old!

Edited by ignace
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