src/Query.php
function exists()
    {

        $index = new Index($this->index);

        $index->connection = $this->connection;

        return $index->exists();
    }
function exists()
    {

        $index = new Index($this->index);

        $index->connection = $this->connection;

        return $index->exists();
    }
function exists ( ) { $ index = new Index ( $ this -> index ) ; $ index -> connection = $ this -> connection ; return $ index -> exists ( ) ; }
Check existence of index
@return mixed
Check existence of index