original_string: public function get_field($table, $return, array $conditions, $strictness=IGNORE_MISSING) {
          list($select, $params) = $this->where_clause($table, $conditions);
          return $this->get_field_select($table, $return, $select, $params, $strictness);
      }
code: public function get_field($table, $return, array $conditions, $strictness=IGNORE_MISSING) {
          list($select, $params) = $this->where_clause($table, $conditions);
          return $this->get_field_select($table, $return, $select, $params, $strictness);
      }
code_tokens: public function get_field ( $ table , $ return , array $ conditions , $ strictness = IGNORE_MISSING ) { list ( $ select , $ params ) = $ this -> where_clause ( $ table , $ conditions ) ; return $ this -> get_field_select ( $ table , $ return , $ select , $ params , $ strictness ) ; }
docstring: Get a single field value from a table record where all the given conditions met.
  
  @param string $table the table to query.
  @param string $return the field to return the value of.
  @param array $conditions optional array $fieldname=>requestedvalue with AND in between
  @param int $strictness IGNORE_MISSING means compatible mode, false returned if record not found, debug message if more found;
  IGNORE_MULTIPLE means return first, ignore multiple records found(not recommended);
  MUST_EXIST means throw exception if no record or multiple records found
  @return mixed the specified value false if not found
  @throws dml_exception A DML specific exception is thrown for any errors.
docstring_tokens: Get a single field value from a table record where all the given conditions met .