PNG -> DataURI in LESS syntax

png2datauri.php

<title>PNG -&gt; DataURI in LESS syntax</title>

<form method=post>
	<input type="text" size="150" name="folder">
	<input type="submit" value="Go">
</form>
<pre>
<?php

// save output to e.g. icons.less
// and in main file add:
// @import "icons.less";

if(isset($_POST['folder'])){
	$folder = $_POST['folder'];

	foreach(glob("$folder/*.png") as $file){
		$f = file_get_contents($file);
		$file = preg_replace("/(-\d+)/", "", $file);
		echo "@" . strtolower(basename($file, '.png')) . '-icon: "data:image/png;base64,' . base64_encode($f) . '";' . "\n";
	}
	echo "\n";
}