PHP code example of akankov / html-min

1. Go to this page and download the library: Download akankov/html-min 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/ */

akankov / html-min example snippets


use Akankov\HtmlMin\HtmlMin;

$html = <<<HTML
<html>
  <body>
    <ul style="">
      <li style="display: inline;" class="foo">One</li>
      <li class="foo" style="display: inline;">Two</li>
    </ul>
  </body>
</html>
HTML;

echo (new HtmlMin())->minify($html);
// <html><body><ul><li class=foo style="display: inline;">One<li class=foo style="display: inline;">Two</ul>


$htmlMin = (new HtmlMin())
    // Core
    ->doOptimizeViaHtmlDomParser(true)   // run the DOM-based pass (doSumUpWhitespace(true)            // collapse runs of whitespace in text nodes
    ->doRemoveWhitespaceAroundTags(false)// aggressive: also trim whitespace adjacent to block tags
    ->doRemoveSpacesBetweenTags(false)   // aggressive: remove whitespace-only text nodes between elements

    // Attribute optimization
    ->doOptimizeAttributes(true)
    ->doSortHtmlAttributes(true)         // canonical attribute order → better gzip
    ->doSortCssClassNames(true)          // canonical class order → better gzip
    ->doRemoveOmittedQuotes(true)        // class="foo" → class=foo when safe
    ->doRemoveOmittedHtmlTags(true)      // <p>x</p> → <p>x where the closing tag is optional
    ->doRemoveEmptyAttributes(true)
    ->doRemoveValueFromEmptyInput(true)
    ->doRemoveDefaultAttributes(false)   // opt-in: drop defaults like form method=get

    // URL attribute trimming
    ->doRemoveHttpPrefixFromAttributes(false)
    ->doRemoveHttpsPrefixFromAttributes(false)
    ->doKeepHttpAndHttpsPrefixOnExternalAttributes(false)
    ->doMakeSameDomainsLinksRelative([])       // e.g. ['example.com'] → strip host from same-site links

    // Deprecated attribute cleanup
    ->doRemoveDeprecatedAnchorName(true)
    ->doRemoveDeprecatedScriptCharsetAttribute(true)
    ->doRemoveDeprecatedTypeFromScriptTag(true)
    ->doRemoveDeprecatedTypeFromStylesheetLink(true)
    ->doRemoveDeprecatedTypeFromStyleAndLinkTag(true)
    ->doRemoveDefaultMediaTypeFromStyleAndLinkTag(true)
    ->doRemoveDefaultTypeFromButton(false)

    // Inline CSS / JS minification (opt-in, off by default)
    ->doMinifyInlineCss(false)           // minify the contents of inline <style> blocks
    ->doMinifyInlineJs(false);           // minify the contents of inline <script> blocks

echo $htmlMin->minify($html);


$htmlMin = (new HtmlMin())
    ->doMinifyInlineCss(true)
    ->doMinifyInlineJs(true);

echo $htmlMin->minify($html);


use MatthiasMullie\Minify; // composer nifyInlineCss(true)
    ->doMinifyInlineJs(true)
    ->setInlineCssMinifier(static fn (string $css): string => (new Minify\CSS($css))->minify())
    ->setInlineJsMinifier(static fn (string $js): string => (new Minify\JS($js))->minify());

echo $htmlMin->minify($html);


use Akankov\HtmlMin\Contract\DomObserver;
use Akankov\HtmlMin\Contract\HtmlMinInterface;
use Akankov\HtmlMin\HtmlMin;

final class StripDataTestIds implements DomObserver
{
    public function domElementBeforeMinification(\DOMElement $element, HtmlMinInterface $htmlMin): void
    {
    }

    public function domElementAfterMinification(\DOMElement $element, HtmlMinInterface $htmlMin): void
    {
        if ($element->hasAttribute('data-testid')) {
            $element->removeAttribute('data-testid');
        }
    }
}

$htmlMin = new HtmlMin();
$htmlMin->attachObserverToTheDomLoop(new StripDataTestIds());
echo $htmlMin->minify($html);