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# :clamp: HtmlMin: HTML Compressor and Minifier for PHP
### Description
HtmlMin is a fast and very easy to use PHP library that minifies given HTML5 source by removing extra whitespaces, comments and other unneeded characters without breaking the content structure. As a result pages become smaller in size and load faster. It will also prepare the HTML for better gzip results, by re-ranging (sort alphabetical) attributes and css-class-names.
### Install via "composer require"
```shell
composer require voku/html-min
```
### Quick Start
```php
use voku\helper\HtmlMin;
$html = "
\r\n\t
\xc3\xa0
\xc3\xa1
\r\n\t
";
$htmlMin = new HtmlMin();
echo $htmlMin->minify($html);
// '
à
á
'
```
### Options
```php
use voku\helper\HtmlMin;
$htmlMin = new HtmlMin();
/*
* Protected HTML (inline css / inline js / conditional comments) are still protected,
* no matter what settings you use.
*/
$htmlMin->doOptimizeViaHtmlDomParser(); // optimize html via "HtmlDomParser()"
$htmlMin->doRemoveComments(); // remove default HTML comments (depends on "doOptimizeViaHtmlDomParser(true)")
$htmlMin->doSumUpWhitespace(); // sum-up extra whitespace from the Dom (depends on "doOptimizeViaHtmlDomParser(true)")
$htmlMin->doRemoveWhitespaceAroundTags(); // remove whitespace around tags (depends on "doOptimizeViaHtmlDomParser(true)")
$htmlMin->doOptimizeAttributes(); // optimize html attributes (depends on "doOptimizeViaHtmlDomParser(true)")
$htmlMin->doRemoveHttpPrefixFromAttributes(); // remove optional "http:"-prefix from attributes (depends on "doOptimizeAttributes(true)")
$htmlMin->doRemoveHttpsPrefixFromAttributes(); // remove optional "https:"-prefix from attributes (depends on "doOptimizeAttributes(true)")
$htmlMin->doKeepHttpAndHttpsPrefixOnExternalAttributes(); // keep "http:"- and "https:"-prefix for all external links
$htmlMin->doMakeSameDomainsLinksRelative(['example.com']); // make some links relative, by removing the domain from attributes
$htmlMin->doRemoveDefaultAttributes(); // remove defaults (depends on "doOptimizeAttributes(true)" | disabled by default)
$htmlMin->doRemoveDeprecatedAnchorName(); // remove deprecated anchor-jump (depends on "doOptimizeAttributes(true)")
$htmlMin->doRemoveDeprecatedScriptCharsetAttribute(); // remove deprecated charset-attribute - the browser will use the charset from the HTTP-Header, anyway (depends on "doOptimizeAttributes(true)")
$htmlMin->doRemoveDeprecatedTypeFromScriptTag(); // remove deprecated script-mime-types (depends on "doOptimizeAttributes(true)")
$htmlMin->doRemoveDeprecatedTypeFromStylesheetLink(); // remove "type=text/css" for css links (depends on "doOptimizeAttributes(true)")
$htmlMin->doRemoveDeprecatedTypeFromStyleAndLinkTag(); // remove "type=text/css" from all links and styles
$htmlMin->doRemoveDefaultMediaTypeFromStyleAndLinkTag(); // remove "media="all" from all links and styles
$htmlMin->doRemoveDefaultTypeFromButton(); // remove type="submit" from button tags
$htmlMin->doRemoveEmptyAttributes(); // remove some empty attributes (depends on "doOptimizeAttributes(true)")
$htmlMin->doRemoveValueFromEmptyInput(); // remove 'value=""' from empty (depends on "doOptimizeAttributes(true)")
$htmlMin->doSortCssClassNames(); // sort css-class-names, for better gzip results (depends on "doOptimizeAttributes(true)")
$htmlMin->doSortHtmlAttributes(); // sort html-attributes, for better gzip results (depends on "doOptimizeAttributes(true)")
$htmlMin->doRemoveSpacesBetweenTags(); // remove more (aggressive) spaces in the dom (disabled by default)
$htmlMin->doRemoveOmittedQuotes(); // remove quotes e.g. class="lall" => class=lall
$htmlMin->doRemoveOmittedHtmlTags(); // remove ommitted html tags e.g.
lall
=>
lall
```
PS: you can use the "nocompress"-tag to keep the html e.g.: "\n foobar \n"
### Unit Test
1) [Composer](https://getcomposer.org) is a prerequisite for running the tests.
```
composer require voku/html-min
```
2) The tests can be executed by running this command from the root directory:
```bash
./vendor/bin/phpunit
```
### Support
For support and donations please visit [Github](https://github.com/voku/HtmlMin/) | [Issues](https://github.com/voku/HtmlMin/issues) | [PayPal](https://paypal.me/moelleken) | [Patreon](https://www.patreon.com/voku).
For status updates and release announcements please visit [Releases](https://github.com/voku/HtmlMin/releases) | [Twitter](https://twitter.com/suckup_de) | [Patreon](https://www.patreon.com/voku/posts).
For professional support please contact [me](https://about.me/voku).
### Thanks
- Thanks to [GitHub](https://github.com) (Microsoft) for hosting the code and a good infrastructure including Issues-Managment, etc.
- Thanks to [IntelliJ](https://www.jetbrains.com) as they make the best IDEs for PHP and they gave me an open source license for PhpStorm!
- Thanks to [Travis CI](https://travis-ci.com/) for being the most awesome, easiest continous integration tool out there!
- Thanks to [StyleCI](https://styleci.io/) for the simple but powerful code style check.
- Thanks to [PHPStan](https://github.com/phpstan/phpstan) & [Psalm](https://github.com/vimeo/psalm) for really great Static analysis tools and for discovering bugs in the code!