PHP Error handling function mgd_errstr
Get latest error message.
string mgd_errstr(void);
Returns latest error message ,or 'MGD_ERR_OK' in case of no error.
Example
$obj = new midgard_person();
$obj->username = "John";
if(!$obj->create())
$errstr = mgd_errstr();
echo "Coudn't create person record because: ${errstr}.";