original_string: public function validateFeaturedImageServer($featuredImageServer) {
  
          // if there is no featured_image_server, then there is no featured image -- which is ok
          if ((!$featuredImageServer) || ($featuredImageServer == "") ) {
              return "passed";
          }
  
          // not acceptable file extension
          if (!$this->isImageFileExtensionKosher($featuredImageServer)) {
              return "The image file you selected on your server, ".$featuredImageServer.",  is not an accepted image file type.";
          }
  
          // file NOT already exists on the server
          if (!$this->doesImageFileExistOnServer($featuredImageServer)) {
              return "The image file you selected on your server, ".$featuredImageServer.", does NOT actually exist on the server.";
          }
  
          return "passed";
      }
code: public function validateFeaturedImageServer($featuredImageServer) {
  
          // if there is no featured_image_server, then there is no featured image -- which is ok
          if ((!$featuredImageServer) || ($featuredImageServer == "") ) {
              return "passed";
          }
  
          // not acceptable file extension
          if (!$this->isImageFileExtensionKosher($featuredImageServer)) {
              return "The image file you selected on your server, ".$featuredImageServer.",  is not an accepted image file type.";
          }
  
          // file NOT already exists on the server
          if (!$this->doesImageFileExistOnServer($featuredImageServer)) {
              return "The image file you selected on your server, ".$featuredImageServer.", does NOT actually exist on the server.";
          }
  
          return "passed";
      }
code_tokens: public function validateFeaturedImageServer ( $ featuredImageServer ) { // if there is no featured_image_server, then there is no featured image -- which is ok if ( ( ! $ featuredImageServer ) || ( $ featuredImageServer == "" ) ) { return "passed" ; } // not acceptable file extension if ( ! $ this -> isImageFileExtensionKosher ( $ featuredImageServer ) ) { return "The image file you selected on your server, " . $ featuredImageServer . ",  is not an accepted image file type." ; } // file NOT already exists on the server if ( ! $ this -> doesImageFileExistOnServer ( $ featuredImageServer ) ) { return "The image file you selected on your server, " . $ featuredImageServer . ", does NOT actually exist on the server." ; } return "passed" ; }
docstring: Validate the featured_image_server field's data
  
  @param  string   $featuredImageServer     The featured_image_server form field's value
  @return string                           "passed", or an error message
docstring_tokens: Validate the featured_image_server field s data