Paradox/Client.php
public function explain($query, array $parameters = array())
    {
        return $this->getToolbox($this->_currentConnection)->getQuery()->explain($query, $parameters);
    }
public function explain($query, array $parameters = array())
    {
        return $this->getToolbox($this->_currentConnection)->getQuery()->explain($query, $parameters);
    }
Returns the execution plan for a query. This will not execute the query.
@param  string $query      The AQL query to run.
@param  array  $parameters An optional associative array containing parameters to bind to the query.
@return array