迷你纺织品类

Posted 2021-02-27

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

<?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("

", $text);
        $output = null;
        foreach($paragraphs as $paragraph) {
            $output .= "
<p>".$paragraph."</p>
";
        }
        return $output;
    }
 
    function textile($text = null){
        $regex = array(
            '/(.+)
(.+)/',
            '/*([^*]+)*/',
            '/\_([^*]+)\_/',
            '/(!)((?: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;
    }
 
}
 
?>