original_string: public static function getIcuDataVersion()
      {
          if (false === self::$icuDataVersion) {
              self::$icuDataVersion = trim(file_get_contents(self::getDataDirectory().'/version.txt'));
          }
  
          return self::$icuDataVersion;
      }
code: public static function getIcuDataVersion()
      {
          if (false === self::$icuDataVersion) {
              self::$icuDataVersion = trim(file_get_contents(self::getDataDirectory().'/version.txt'));
          }
  
          return self::$icuDataVersion;
      }
code_tokens: public static function getIcuDataVersion ( ) { if ( false === self :: $ icuDataVersion ) { self :: $ icuDataVersion = trim ( file_get_contents ( self :: getDataDirectory ( ) . '/version.txt' ) ) ; } return self :: $ icuDataVersion ; }
docstring: Returns the version of the installed ICU data.
  
  @return string The version of the installed ICU data
docstring_tokens: Returns the version of the installed ICU data .