original_string: public function is_server_ready() {
  
          $configured = $this->is_server_configured();
          if ($configured !== true) {
              return $configured;
          }
  
          // As part of the above we have already checked that we can contact the server. For pages
          // where performance is important, we skip doing a full schema check as well.
          if ($this->should_skip_schema_check()) {
              return true;
          }
  
          // Update schema if required/possible.
          $schemalatest = $this->check_latest_schema();
          if ($schemalatest !== true) {
              return $schemalatest;
          }
  
          // Check that the schema is already set up.
          try {
              $schema = new \search_solr\schema();
              $schema->validate_setup();
          } catch (\moodle_exception $e) {
              return $e->getMessage();
          }
  
          return true;
      }
code: public function is_server_ready() {
  
          $configured = $this->is_server_configured();
          if ($configured !== true) {
              return $configured;
          }
  
          // As part of the above we have already checked that we can contact the server. For pages
          // where performance is important, we skip doing a full schema check as well.
          if ($this->should_skip_schema_check()) {
              return true;
          }
  
          // Update schema if required/possible.
          $schemalatest = $this->check_latest_schema();
          if ($schemalatest !== true) {
              return $schemalatest;
          }
  
          // Check that the schema is already set up.
          try {
              $schema = new \search_solr\schema();
              $schema->validate_setup();
          } catch (\moodle_exception $e) {
              return $e->getMessage();
          }
  
          return true;
      }
code_tokens: public function is_server_ready ( ) { $ configured = $ this -> is_server_configured ( ) ; if ( $ configured !== true ) { return $ configured ; } // As part of the above we have already checked that we can contact the server. For pages // where performance is important, we skip doing a full schema check as well. if ( $ this -> should_skip_schema_check ( ) ) { return true ; } // Update schema if required/possible. $ schemalatest = $ this -> check_latest_schema ( ) ; if ( $ schemalatest !== true ) { return $ schemalatest ; } // Check that the schema is already set up. try { $ schema = new \ search_solr \ schema ( ) ; $ schema -> validate_setup ( ) ; } catch ( \ moodle_exception $ e ) { return $ e -> getMessage ( ) ; } return true ; }
docstring: Pings the Solr server using search_solr config
  
  @return true|string Returns true if all good or an error string.
docstring_tokens: Pings the Solr server using search_solr config