# wp-optimize/4.7.0/vendor/mrclay/minify/lib/Minify/SourceSet.php

WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance, version 4.7.0. 32 lines.

- Page: https://pluginprobe.com/plugins/wp-optimize/4.7.0/code/vendor/mrclay/minify/lib/Minify/SourceSet.php
- Raw: https://pluginprobe.com/plugins/wp-optimize/4.7.0/raw/vendor/mrclay/minify/lib/Minify/SourceSet.php
- Modified: 2021-06-07T22:42:16+00:00

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```php
<?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));
    }
}

```