Image Extractor from WYSIWYG

ImageExtractor.php

<?php

namespace Spark\Utility;

use Closure;
use Illuminate\Support\Str;
use Symfony\Component\DomCrawler\Crawler;
use Symfony\Component\HttpFoundation\File\File;

class ImageExtractor
{
    /**
     * Extract image from html string and uploads.
     *
     * @param  string  $html
     * @param  string|\Closure  $uploader
     * @param  \Closure  $replacer
     * @return string
     *
     * @throws \Exception
     */
    public static function htmlExtractAndUploads(string $html, $uploader, Closure $replacer = null)
    {
        $crawler = new Crawler($html);

        $imageTags = $crawler->filterXPath('//img')->images();

        if (is_string($uploader)) {
            $path = public_path($uploader);

            if (! file_exists($path)) {
                @mkdir($path, $permission, true);
            }
        }

        foreach ($imageTags as $imageTag) {
            $base64Path = $imageTag->getUri();
            $image = base64_decode(preg_replace('#^data:image/\w+;base64,#i', '', $base64Path));
            $tmpFilePath = tmp_path(Str::uuid()->toString());
            file_put_contents($tmpFilePath, $image);

            $file = new File($tmpFilePath);

            $imgName = Str::uuid()->toString() . '.' . $file->guessExtension();

            if ($uploader instanceof Closure) {
                $path = $uploader($file, $imgName);
            } else {
                $path = $uploader . '/' . $imgName;
                $file->move(public_path($uploader), $imgName);
            }

            $replacer = $replacer instanceof Closure ? $replacer($path) : url($path);
            $html = str_replace($base64Path, $replacer, $html);
        }

        return $html;
    }
}