original_string: protected function optimizeUrls($content, $file)
      {
          preg_match_all('/url\((.[^\)]*)\)/is', $content, $matches, PREG_SET_ORDER);
  
          foreach ($matches as $match) {
              $uri = $match[1];
  
              // Remove the apostrophs
              if (strpos($uri, '\'') === 0 || strpos($uri, '"') === 0) {
                  $uri = substr($uri, 1, -1);
              }
              
              // If the uri is an absolute url we do not change anything
              if (strpos($uri, 'http') === 0) {
                  continue;
              }
              
              $additionalData = $this->getAdditionalUriData($uri);
              $uri = $this->removeAdditionalUriData($uri);
  
              $path = dirname($file);
              $fullFilePath = realpath($path . '/' . $uri);
              $fileInformation = pathinfo($fullFilePath);
              
              $imageExtensions = array('png', 'jpg', 'jpeg', 'gif');
  
              if (in_array($fileInformation['extension'], $imageExtensions)) {
                  // Load the file content
                  $fileContent = $this->fileBackend->loadFromFile($fullFilePath);
                  
                  // Encode the file content
                  $encodedContent = base64_encode($fileContent);
                  $urlData = 'data:image/gif;base64,' . $encodedContent;
                  
                  // Replace the reference in the css content
                  $content = str_replace($match[1], '\'' . $urlData . '\'', $content);
              } else {
                  $type = AssetManager::BINARY;
                  
                  // Cache the file
                  $cachedFile = $this->assetCacheManager->generateCachedFile($type, $fullFilePath);
                  $url = $this->assetCacheManager->getUrlToTheAssetLoader($cachedFile['file']);
      
                  // Add the additional data
                  if ($additionalData !== '') {
                      $url .= $additionalData;
                  }
  
                  // Replace the reference in the css content
                  $content = str_replace($match[1], '\'' . $url . '\'', $content);
              }
          }
  
          return $content;
      }
code: protected function optimizeUrls($content, $file)
      {
          preg_match_all('/url\((.[^\)]*)\)/is', $content, $matches, PREG_SET_ORDER);
  
          foreach ($matches as $match) {
              $uri = $match[1];
  
              // Remove the apostrophs
              if (strpos($uri, '\'') === 0 || strpos($uri, '"') === 0) {
                  $uri = substr($uri, 1, -1);
              }
              
              // If the uri is an absolute url we do not change anything
              if (strpos($uri, 'http') === 0) {
                  continue;
              }
              
              $additionalData = $this->getAdditionalUriData($uri);
              $uri = $this->removeAdditionalUriData($uri);
  
              $path = dirname($file);
              $fullFilePath = realpath($path . '/' . $uri);
              $fileInformation = pathinfo($fullFilePath);
              
              $imageExtensions = array('png', 'jpg', 'jpeg', 'gif');
  
              if (in_array($fileInformation['extension'], $imageExtensions)) {
                  // Load the file content
                  $fileContent = $this->fileBackend->loadFromFile($fullFilePath);
                  
                  // Encode the file content
                  $encodedContent = base64_encode($fileContent);
                  $urlData = 'data:image/gif;base64,' . $encodedContent;
                  
                  // Replace the reference in the css content
                  $content = str_replace($match[1], '\'' . $urlData . '\'', $content);
              } else {
                  $type = AssetManager::BINARY;
                  
                  // Cache the file
                  $cachedFile = $this->assetCacheManager->generateCachedFile($type, $fullFilePath);
                  $url = $this->assetCacheManager->getUrlToTheAssetLoader($cachedFile['file']);
      
                  // Add the additional data
                  if ($additionalData !== '') {
                      $url .= $additionalData;
                  }
  
                  // Replace the reference in the css content
                  $content = str_replace($match[1], '\'' . $url . '\'', $content);
              }
          }
  
          return $content;
      }
code_tokens: protected function optimizeUrls ( $ content , $ file ) { preg_match_all ( '/url\((.[^\)]*)\)/is' , $ content , $ matches , PREG_SET_ORDER ) ; foreach ( $ matches as $ match ) { $ uri = $ match [ 1 ] ; // Remove the apostrophs if ( strpos ( $ uri , '\'' ) === 0 || strpos ( $ uri , '"' ) === 0 ) { $ uri = substr ( $ uri , 1 , - 1 ) ; } // If the uri is an absolute url we do not change anything if ( strpos ( $ uri , 'http' ) === 0 ) { continue ; } $ additionalData = $ this -> getAdditionalUriData ( $ uri ) ; $ uri = $ this -> removeAdditionalUriData ( $ uri ) ; $ path = dirname ( $ file ) ; $ fullFilePath = realpath ( $ path . '/' . $ uri ) ; $ fileInformation = pathinfo ( $ fullFilePath ) ; $ imageExtensions = array ( 'png' , 'jpg' , 'jpeg' , 'gif' ) ; if ( in_array ( $ fileInformation [ 'extension' ] , $ imageExtensions ) ) { // Load the file content $ fileContent = $ this -> fileBackend -> loadFromFile ( $ fullFilePath ) ; // Encode the file content $ encodedContent = base64_encode ( $ fileContent ) ; $ urlData = 'data:image/gif;base64,' . $ encodedContent ; // Replace the reference in the css content $ content = str_replace ( $ match [ 1 ] , '\'' . $ urlData . '\'' , $ content ) ; } else { $ type = AssetManager :: BINARY ; // Cache the file $ cachedFile = $ this -> assetCacheManager -> generateCachedFile ( $ type , $ fullFilePath ) ; $ url = $ this -> assetCacheManager -> getUrlToTheAssetLoader ( $ cachedFile [ 'file' ] ) ; // Add the additional data if ( $ additionalData !== '' ) { $ url .= $ additionalData ; } // Replace the reference in the css content $ content = str_replace ( $ match [ 1 ] , '\'' . $ url . '\'' , $ content ) ; } } return $ content ; }
docstring: Optimizes the urls in the css content.
  
  @access protected
  @param string $content
  @param string $file
  @return string
docstring_tokens: Optimizes the urls in the css content .