PHP code example of rosell-dk / dom-util-for-webp

    
        
<?php
require_once('vendor/autoload.php');

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

    

rosell-dk / dom-util-for-webp example snippets

$modifiedHtml = ImageUrlReplacer::replace($html);

class ImageUrlReplacerCustomReplacer extends ImageUrlReplacer
{
    public function replaceUrl($url) {
        // Only accept urls ending with "png", "jpg", "jpeg"  and "gif"
        if (!preg_match('#(png|jpe?g|gif)$#', $url)) {
            return;
        }

        // Only accept full urls (beginning with http:// or https://)
        if (!preg_match('#^https?://#', $url)) {
            return;
        }

        // PS: You probably want to filter out external images too...

        // Simply append ".webp" after current extension.
        // This strategy ensures that "logo.jpg" and "logo.gif" gets counterparts with unique names
        return $url . '.webp';
    }

    public function attributeFilter($attrName) {
        // Don't allow any "data-" attribute, but limit to attributes that smells like they are used for images
        // The following rule matches all attributes used for lazy loading images that we know of
        return preg_match('#^(src|srcset|(data-[^=]*(lazy|small|slide|img|large|src|thumb|source|set|bg-url)[^=]*))$#i', $attrName);

        // If you want to limit it further, only allowing attributes known to be used for lazy load,
        // use the following regex instead:
        //return preg_match('#^(src|srcset|data-(src|srcset|cvpsrc|cvpset|thumb|bg-url|large_image|lazyload|source-url|srcsmall|srclarge|srcfull|slide-img|lazy-original))$#i', $attrName);
    }
}

$modifiedHtml = ImageUrlReplacerCustomReplacer::replace($html);

$modifiedHtml = PictureTags::replace($html);