PHP code example of silbinarywolf / silverstripe-stampycss

1. Go to this page and download the library: Download silbinarywolf/silverstripe-stampycss library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

silbinarywolf / silverstripe-stampycss example snippets


Requirements::set_backend(new Stampy\Requirements_Backend());


 

class CSSCrushExtension extends \Extension {
	public function onInit() {
		csscrush_add_function('px2vw', array($this, 'px2vw'));
		csscrush_add_function('px2vh', array($this, 'px2vh'));
	}

	public function px2vw(array $arguments, $context) {
		if (!isset($arguments[1])) {
			throw InvalidArgumentException(__FUNCTION__.' [0];
		$screenDimen = (int)$arguments[1];
		$result = ($dimen / $screenDimen) * 100;
		return $result.'vh';
	}
}