<?php /** * Class Minify_SourceSet * @package Minify */ /** * @package Minify */ class Minify_SourceSet { /** * Get unique string for a set of sources * * @param Minify_SourceInterface[] $sources Minify_Source instances * * @return string */ public static function getDigest($sources) { $info = array(); foreach ($sources as $source) { $info[] = array( $source->getId(), $source->getMinifier(), $source->getMinifierOptions() ); } return md5(serialize($info)); } }