public function compile(&$entry)
 {
     self::$compiling = $this->get('id');
     $driver = Symphony::ExtensionManager()->create('reflectionfield');
     $xpath = $driver->getXPath($entry, $this->get('xsltfile'), $this->get('fetch_associated_counts'));
     self::$compiling = 0;
     $entry_id = $entry->get('id');
     $field_id = $this->get('id');
     $expression = $this->get('expression');
     $replacements = array();
     // Find queries:
     preg_match_all('/\\{[^\\}]+\\}/', $expression, $matches);
     // Find replacements:
     foreach ($matches[0] as $match) {
         $result = @$xpath->evaluate('string(' . trim($match, '{}') . ')');
         if (!is_null($result)) {
             $replacements[$match] = trim($result);
         } else {
             $replacements[$match] = '';
         }
     }
     // Apply replacements:
     $value = str_replace(array_keys($replacements), array_values($replacements), $expression);
     // Apply formatting:
     if (!($value_formatted = $this->applyFormatting($value))) {
         $value_formatted = General::sanitize($value);
     }
     $data = array('handle' => Lang::createHandle($value), 'value' => $value, 'value_formatted' => $value_formatted);
     // Save:
     $result = Symphony::Database()->update($data, "tbl_entries_data_{$field_id}", "`entry_id` = '{$entry_id}'");
     $entry->setData($field_id, $data);
 }
 public function compile($entry)
 {
     self::$ready = false;
     $xpath = $this->_driver->getXPath($entry);
     self::$ready = true;
     $entry_id = $entry->get('id');
     $field_id = $this->get('id');
     $expression = $this->get('expression');
     $replacements = array();
     // Find queries:
     preg_match_all('/\\{[^\\}]+\\}/', $expression, $matches);
     // Find replacements:
     foreach ($matches[0] as $match) {
         $results = @$xpath->query(trim($match, '{}'));
         if ($results->length) {
             $replacements[$match] = $results->item(0)->nodeValue;
         } else {
             $replacements[$match] = '';
         }
     }
     // Apply replacements:
     $value = str_replace(array_keys($replacements), array_values($replacements), $expression);
     // Apply formatting:
     if (!($value_formatted = $this->applyFormatting($value))) {
         $value_formatted = General::sanitize($value);
     }
     // Save:
     $result = $this->Database->update(array('handle' => Lang::createHandle($value), 'value' => $value, 'value_formatted' => $value_formatted), "tbl_entries_data_{$field_id}", "\n\t\t\t\t`entry_id` = '{$entry_id}'\n\t\t\t");
 }