Kirbytag for HTML5 video (Kirby 1)

kirbytext.extended.php

<?php 

class kirbytextExtended extends kirbytext {
	function __construct($text, $markdown=true) {
		parent::__construct($text, $markdown);
		
		$this->addTags('video');
		
		// define custom attributes
		$this->addAttributes('poster');
	}
	
	/**
	 *  Usage: (video: filebasename poster: videoposter.jpg)
	 *  `filebasename` gets extended to the files `filebasename.mp4` and `filebasename.ogv`
	 */
	function video($params) {
		// Get video files
		$mp4 = $this->relatedFiles()->find($params['video'] . '.mp4');
		$ogv = $this->relatedFiles()->find($params['video'] . '.ogv');
		
		// If one of the videos does not exist: error
		if(!$mp4 || !$ogv) return '';
		
		// Try to get a poster image
		$poster = (isset($params['poster']))? $this->relatedFiles()->find($params['poster']) : null;
		
		// Build the video element
		return '<video controls preload="auto"' . (($poster)? ' poster="' . $poster->url() . '"' : '') . '><source src="' . $mp4->url() . '" type="video/mp4"><source src="' . $ogv->url() . '" type="video/ogg"></video>';
	}
}