ConverterTwitter Class Reference

Converte a twitter message into HTML. More...

Inheritance diagram for ConverterTwitter:

List of all members.

Public Member Functions
	decode ($value, $params=false)
	encode ($value, $params=false)
Public Attributes
const	EXPAND_LINKS = 1024

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Detailed Description

Converte a twitter message into HTML.

Replaces hashes with .., user (@..) by .. and links by an anchor tag

Optionally, if ConverterTwitter::EXPAND_LINKS is passed as parameter, The component will try to resolve redirect services like bit.ly et al, replacing the url in the message with the resolving one.

Author:

Gerd Riesselmann

Definition at line 17 of file twitter.converter.php.

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Member Function Documentation

ConverterTwitter::decode	(	$	value,
		$	params = false
	)

Implements IConverter.

Definition at line 62 of file twitter.converter.php.

                                                        {
                $value = str_replace('>', ">", $value);
                $value = str_replace('&lt;', "<", $value);
                return trim($value);            
        }               

ConverterTwitter::encode	(	$	value,
		$	params = false
	)

Implements IConverter.

Definition at line 20 of file twitter.converter.php.

                                                        {
                $value = String::escape($this->decode($value));
                // Try to find hash tags and make them bold
                $search = '@(\s#[\S]*)@';
                $replace = ' <b>$1</b>';
                $value = String::preg_replace($search, $replace, $value);

                // Try to find users and make them italic
                $search = '|(@[\S]*)|';
                $replace = '<i>$1</i>';
                $value = String::preg_replace($search, $replace, $value);
                        
                // Replace URLS
                $search = "@(http[s]?://[\S]*)@";
                
                if (Common::flag_is_set($params, self::EXPAND_LINKS)) {
                        // FInd them to check for bit.ly et al
                        $matches = array();
                        String::preg_match_all($search, $value, $matches);
                        
                        Load::components('httprequest');
                        $err = new Status();
                        foreach (Arr::get_item($matches, 0, array()) as $url) {
                                $head = HttpRequest::get_head($url, $err);
                                // Look for a location header element
                                $search_loc = '@location: ([\S]*)@i';
                                $matches_loc = array();
                                if (String::preg_match_all($search_loc, $head, $matches_loc)) {
                                        // Get last redirect
                                        $new_url = String::escape(array_pop($matches_loc[1]));
                                        $value = str_replace($url, $new_url, $value);   
                                }                       
                        }
                }
                
                $replace =  '<a href="$1">$1</a>';
                $value = String::preg_replace($search, $replace, $value);
                
                return $value;
        }

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Member Data Documentation

const ConverterTwitter::EXPAND_LINKS = 1024

Definition at line 18 of file twitter.converter.php.

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The documentation for this class was generated from the following file:

• contributions/api.twitter/lib/helpers/converters/twitter.converter.php