library/Rediska/Command/DeleteFromSortedSet.php
public function create($key, $member)
    {
        $connection = $this->_rediska->getConnectionByKeyName($key);

        $member = $this->_rediska->getSerializer()->serialize($member);
        
        $command = array('ZREM',
                         $this->_rediska->getOption('namespace') . $key,
                         $member);

        return new Rediska_Connection_Exec($connection, $command);
    }
public function create($key, $member)
    {
        $connection = $this->_rediska->getConnectionByKeyName($key);

        $member = $this->_rediska->getSerializer()->serialize($member);
        
        $command = array('ZREM',
                         $this->_rediska->getOption('namespace') . $key,
                         $member);

        return new Rediska_Connection_Exec($connection, $command);
    }
Create command

@param string $key    Key name
@param mixed  $member Member
@return Rediska_Connection_Exec