PHP code example of thomasperi / yacssmin

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

thomasperi / yacssmin example snippets

use \ThomasPeri\YaCSSMin\Minifier;
$minified_css = Minifier::minify($css);

$minified_css = Minifier::minify($css);
if (false === $minified_css) {
    // Error
} else {
    // Success
}

// Preserve any comments that contain the string `@license`:
$minified_css = Minifier::minify($css, [
    'comments' => function ($comment) {
        if (false !== strpos($comment, '@license')) {
            return $comment;
        }
    }
]);

// Preserve any comments that contain the string `@license`:
$minified_css = Minifier::minify($css, [
    'filter' => function ($css, &$strings, &$comments) {
        // ... do stuff that modifies $css, then return the modified copy ...
        return $css;
    }
]);

$minified_css = Minifier::minify($css, [
    'filter' => function ($css, &$strings) {
        $pattern = '#"_"|url\((.+?)\)#i';
        $i = 0;
        $rewrite = function ($url) {
            // ... make your changes to $url here ...
            return $url;
        };
        return preg_replace_callback(
            $pattern,
            function ($matches) use (&$i, &$strings, $rewrite) {
                $match = $matches[0];
                switch (strtolower($match)) {
                    // Skip over strings that aren't URLs, but count them.
                    case '"_"':
                        $i++;
                        break;
                
                    // Found a string that contains a URL. Rewrite the string
                    // in the array, but leave the placeholder unchanged.
                    case 'url("_")':
                        // Separate the URL from the quotes, rewrite the URL,
                        // and put the quotes back on.
                        $string = $strings[$i];
                        $quote = substr($string, 0, 1);
                        $url = substr($string, 1, strlen($string) - 2);
                        $strings[$i] = $quote . $rewrite($url) . $quote;
                        $i++;
                        break;
                    
                    // Unquoted URLs aren't stashed as strings, so do the
                    // rewrite on what was found inside url(...).
                    default:
                        $match = 'url(' . $rewrite($matches[1]) . ')';
                }
                return $match;
            },
            $css
        );
    }
]);