Commands out of sync; you can't run this command now (with free_result())

See this on my website:

http://community-auth.com/blog-posts/com...procedures

PHP Code:

$sql = "call getCase( '$myTable', '$casenum', '$fname', '$lname')";    
$q = $this->db->query($sql);    
$data['hrg'] = $q->result();
/**
 * Free result is not good enough, because procedures 
 * will often return more than one result. The solution
 * is to use mysqli_next_result(). If you're not using
 * mysqli, then you're going to need to figure out how 
 * to get the next result using some other way.
 */
mysqli_next_result( $this->db->conn_id ); 


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