Posted By

evanwalsh on 05/03/08

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Last Edited at 05/03/08 02:01pm

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Mini Textile class

/ Published in: PHP

This is a version of Textile that only accepts paragraps, bold, italics, links, and images. Enjoy.

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<?php
 
class TextiLite{
 
    /*
        TextiLite:
            A lightweight version of Textile built with PHP by Evan Walsh
            Version 001
 
        Based on the work of:
            http://codeigniter.com/wiki/BBCode_Helper/
            http://codeigniter.com/forums/viewthread/69615/
            
        Supports:
            <br/> by the way of newline
            *Text* => <strong>Text</strong>
            _Text_ => <em>Text</em>
            !http://image.url! => <img src="http://image.url"/>
            "Text":http://text.url => <a href="http://text.url" title="Text">Text</a>
    */
 
    function paragraph($text){
        $paragraphs = explode("\n\n", $text);
        $output = null;
        foreach($paragraphs as $paragraph) {
            $output .= "\n<p>".$paragraph."</p>\n";
        }
        return $output;
    }
 
    function textile($text = null){
        $regex = array(
            '/(.+)\n(.+)/',
            '/\*([^\*]+)\*/',
            '/\_([^\*]+)\_/',
            '/(!)((?:http|https)(?::\\/{2}[\\w]+)(?:[\\/|\\.]?)(?:[^\\s"]*))(!)/',
            '/(")(.*?)(").*?((?:http|https)(?::\\/{2}[\\w]+)(?:[\\/|\\.]?)(?:[^\\s"]*))/', 
        ); 
        $replace = array(
            "$1<br/>$2",
            "<strong>$1</strong>",
            "<em>$1</em>",
            "<img src=\"$2\"/>",
            "<a href=\"$4\" title=\"$2\">$2</a>",
        ); 
        return preg_replace($regex,$replace,$text);
    }
 
    function process($text){
        $text = $this->paragraph($text);
        $text = $this->textile($text);
        return $text;
    }
 
}
 
?>