src/Tools/RoboFile.php
public function minifyCSS() {
      $css_dir = './css';
      if (is_dir($css_dir)) {
         foreach (glob("$css_dir/*.css") as $css_file) {
            if (!$this->endsWith($css_file, 'min.css')) {
               $this->taskMinify($css_file)
                  ->to(str_replace('.css', '.min.css', $css_file))
                  ->type('css')
                  ->run();
            }
         }
      }
      return $this;
   }
public function minifyCSS() {
      $css_dir = './css';
      if (is_dir($css_dir)) {
         foreach (glob("$css_dir/*.css") as $css_file) {
            if (!$this->endsWith($css_file, 'min.css')) {
               $this->taskMinify($css_file)
                  ->to(str_replace('.css', '.min.css', $css_file))
                  ->type('css')
                  ->run();
            }
         }
      }
      return $this;
   }
public function minifyCSS ( ) { $ css_dir = './css' ; if ( is_dir ( $ css_dir ) ) { foreach ( glob ( "$css_dir/*.css" ) as $ css_file ) { if ( ! $ this -> endsWith ( $ css_file , 'min.css' ) ) { $ this -> taskMinify ( $ css_file ) -> to ( str_replace ( '.css' , '.min.css' , $ css_file ) ) -> type ( 'css' ) -> run ( ) ; } } } return $ this ; }
Minify CSS stylesheets

@return void
Minify CSS stylesheets