/**
* prepares a statement
*
* returns the key of the statement
*
* @param string $statement
* @return int
*/
public function prepare($statement)
{
if (PVars::get()->debug) {
$tm = microtime();
PSurveillance::setPoint('statement_prepare' . $tm);
}
if (isset($this->result) && $this->result) {
$this->result->close();
unset($this->result);
}
$statement = $this->_dao->MySQLi->prepare($statement);
if (!$statement) {
$e = new PException('Could not prepare statement!', 1000);
$e->addInfo($this->_dao->getErrNo());
$e->addInfo($this->_dao->getErrMsg());
throw $e;
}
$this->_statement[] = $statement;
end($this->_statement);
$k = key($this->_statement);
$this->_bound = array();
if (PVars::get()->debug) {
PSurveillance::setPoint('eostatement_prepare' . $tm);
}
$this->_i = $k;
return $k;
}
