figure.php

<?php 

class kirbytextExtended extends kirbytext {
	
	function __construct($text, $markdown=true) {
		parent::__construct($text, $markdown);
		
		// define custom tags
		$this->addTags('figure');
		
		// define custom attributes
		$this->addAttributes('caption', 'class');
	}
	
	// define a function for each new tag you specify
	function figure($params) {
	
		// we need to change this to make the image function work.    
		$params['image'] = $params['figure'];
		
		// try to fetch the caption from the alt text if not specified
		if(empty($params['caption'])) $params['caption'] = @$params['alt'];
		
		// try to fetch the alt text from the caption if not specified
		if(empty($params['alt'])) $params['alt'] = @$params['caption'];
		
		// start the html output with or without a class
		if(!empty($params['class'])) {
			$html = '<figure class="' . $params['class'] . '">';
		} else {
			$html = '<figure>';
		}
		
		$html .= $this->image($params);
		
		// only add a caption if one is available
		if(!empty($params['caption'])) {
			$html .= '<figcaption>' . $params['caption'] . '</figcaption>';
		}
		
	$html .= '</figure>';
	
	return $html;
	
	}
}