CSS_Parser.php

<?php

function css_parser($file)
{
    $css = file_get_contents($file);
    preg_match_all( '/(?ims)([a-z0-9\s\.\:#_\-@,]+)\{([^\}]*)\}/', $css, $arr);
    $result = array();
    foreach ($arr[0] as $i => $x){
        $selector = trim($arr[1][$i]);
        $rules = explode(';', trim($arr[2][$i]));
        $rules_arr = array();
        foreach ($rules as $strRule)
		{
            if (!empty($strRule)){
                $rule = explode(":", $strRule);
                $rules_arr[trim($rule[0])] = trim($rule[1]);
            }
        }

        $selectors = explode(',', trim($selector));
        foreach ($selectors as $strSel)
		{
            $result[$strSel] = $rules_arr;
        }
    }
    return $result;
}
 $css = css_parser('CSS_Parser.css');
header('Content-Type: text/plain');
 foreach ($css as $key => $value)
 {
	 echo $key."{"."\n";
     foreach ($value as $key1 => $value2)
	 {
	echo "\t".html_entity_decode($key1).": ".(html_entity_decode($value2.";".""))."\n";
     }
}