original_string: public static function css($content) {
          $error = 'unknown';
          try {
              $minifier = new MatthiasMullie\Minify\CSS($content);
              return $minifier->minify();
          } catch (Exception $e) {
              $error = $e->getMessage();
          }
  
          $return = <<<EOD
  
  /* Error: $error */
  /* Problem detected during CSS minimisation, please review the following code */
  /* ========================================================================== */
  
  
  EOD;
  
          return $return.$content;
      }
code: public static function css($content) {
          $error = 'unknown';
          try {
              $minifier = new MatthiasMullie\Minify\CSS($content);
              return $minifier->minify();
          } catch (Exception $e) {
              $error = $e->getMessage();
          }
  
          $return = <<<EOD
  
  /* Error: $error */
  /* Problem detected during CSS minimisation, please review the following code */
  /* ========================================================================== */
  
  
  EOD;
  
          return $return.$content;
      }
code_tokens: public static function css ( $ content ) { $ error = 'unknown' ; try { $ minifier = new MatthiasMullie \ Minify \ CSS ( $ content ) ; return $ minifier -> minify ( ) ; } catch ( Exception $ e ) { $ error = $ e -> getMessage ( ) ; } $ return =  <<<EOD
  
  /* Error: $error */
  /* Problem detected during CSS minimisation, please review the following code */
  /* ========================================================================== */
  
  
  EOD ; return $ return . $ content ; }
docstring: Minify CSS code.
  
  @param string $content
  @return string minified CSS
docstring_tokens: Minify CSS code .