original_string: public function getTableIdentifier()
      {
          if ($this->tableAlias !== null) {
              return $this->tableAlias;
          }
          if (is_string($this->table)) {
              return $this->table;
          }
          return null;
      }
code: public function getTableIdentifier()
      {
          if ($this->tableAlias !== null) {
              return $this->tableAlias;
          }
          if (is_string($this->table)) {
              return $this->table;
          }
          return null;
      }
code_tokens: public function getTableIdentifier ( ) { if ( $ this -> tableAlias !== null ) { return $ this -> tableAlias ; } if ( is_string ( $ this -> table ) ) { return $ this -> table ; } return null ; }
docstring: Returns the identifier which the target table can be appealed to.
  
  @return string|null Alias or table name. Null if the target table has no string name.
docstring_tokens: Returns the identifier which the target table can be appealed to .