CSS-Inliner is simple PHP tools that inserts CSS from file into HTML style attributes. Nothing more, nothing less.
I tried to make it as fast as possible, but due to third party libraries I can't do more.
Anyway, this tools wasn't created for inlining CSS files of bambilions lines (hey, Bootstrap - of course you can inline it, but you will have enough time to make a coffee), but for inlining styles into e-mails. So I hope it will do its job for you and helps you with creating newsletters, sending notification mails and so on.
Add northys/css-inliner to your composer.json. It is necessary to install this tools using composer. Otherwise you will need to download another libs manually.
$ composer require northys/css-inliner$inliner = new Northys\CSSInliner;
$inliner->addCSS(__DIR__ . '/example.css');
$inliner->render(file_get_contents(__DIR__ . '/example.html'));Method addCSS() accepts file path to the CSS file however render() accepts html content.
If you would like to know why, here is the reason for you - there are tons of templating system like Nette\Latte or Smarty and sometimes you will need to use this tool on code that those libs generated.
<h1>Hello, world!</h1>
<a href="http://google.com" class="google">Google</a>
<a href="http://Facebook.com" class="facebook">Facebook</a>
<a href="http://Outlook.com" id="outlook">Outlook</a>h1{color:#27ae60;font-size:200px;margin:10px 50px 80px 30px;}
a{color:#2c3e50;}
a#outlook{color:#2980b9;position:absolute;top:30px;left:500px;padding:50px;}
a.facebook{color:#8e44ad;margin:300px;}
a.google{color:#c0392b;font-weight:700;font-family:Verdana, 'Open Sans';font-size:30px;}<h1 style="color: #27ae60; margin: 10px 50px 80px 30px; font-size: 200px;">Hello, world!</h1>
<a href="http://google.com" class="google" style='color: #c0392b; font-weight: 700; font-family: "Verdana","Open Sans"; font-size: 30px;'>Google</a>
<a href="http://Facebook.com" class="facebook" style="color: #8e44ad; margin: 300px;">Facebook</a>
<a href="http://Outlook.com" id="outlook" style="color: #2980b9; padding: 50; position: absolute; top: 30px; left: 500px;">Outlook</a>