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问题描述
我在尝试修改某些表时不断收到此错误.这是我的代码:
I keep getting this error while trying to modify some tables. Here's my code:
/** <- line 320
*
* @param array $guests_array
* @param array $tickets_array
* @param integer $seat_count
* @param integer $order_count
* @param integer $guest_count
*/
private function book_guests($guests_array, $tickets_array, &$seat_count,
&$order_count, &$guest_count){
/* @var $guests_array ArrayObject */
$sucess = false;
if(sizeof($guests_array) >= 1){
//$this->mysqli->autocommit(FALSE);
//insert the guests into guest, person, order, seat
$menu_stmt = $this->mysqli->prepare("SELECT id FROM menu WHERE
name=?");
$menu_stmt->bind_param('s',$menu);
//$menu_stmt->bind_result($menu_id);
$table_stmt = $this->mysqli->prepare("SELECT id FROM tables WHERE
name=?");
$table_stmt->bind_param('s',$table);
//$table_stmt->bind_result($table_id);
$seat_stmt = $this->mysqli->prepare("SELECT id FROM seat WHERE
name=? AND table_id=?");
$seat_stmt->bind_param('ss',$seat, $table_id);
//$seat_stmt->bind_result($seat_id);
for($i=0;$i<sizeof($guests_array);$i++){
$menu = $guests_array[$i]['menu'];
$table = $guests_array[$i]['table'];
$seat = $guests_array[$i]['seat'];
//get menu id
if($menu_stmt->execute()){
$menu_stmt->bind_result($menu_id);
while($menu_stmt->fetch())
;
}
$menu_stmt->close();
//get table id
if($table_stmt->execute()){
$table_stmt->bind_result($table_id);
while($table_stmt->fetch())
;
}
$table_stmt->close();
//get seat id
if($seat_stmt->execute()){
$seat_stmt->bind_result($seat_id);
while($seat_stmt->fetch())
;
}
$seat_stmt->close();
$dob = $this->create_date($guests_array[$i]['dob_day'],
$guests_array[$i]['dob_month'],
$guests_array[$i]['dob_year']);
$id = $this->add_person($guests_array[$i]['first_name'],
$guests_array[$i]['surname'], $dob,
$guests_array[$i]['sex']);
if(is_string($id)){
$seat = $this->add_seat($table_id, $seat_id, $id);
/* @var $tickets_array ArrayObject */
$guest = $this->add_guest($id,$tickets_array[$i+1],$menu_id,
$this->volunteer_id);
/* @var $order integer */
$order = $this->add_order($this->volunteer_id, $table_id,
$seat_id, $id);
if($guest == 1 && $seat == 1 && $order == 1){
$seat_count += $seat;
$guest_count += $guest;
$order_count += $order;
$success = true;
}
}
}
}
return $success;
} <- line 406
以下是警告:
The person PRSN10500000LZPH has been added to the guest tablePRSN10500000LZPH added to table (1), seat (1)The order for person(PRSN10500000LZPH) is registered with volunteer (PRSN10500000LZPH) at table (1) and seat (1)PRSN10600000LZPH added to table (1), seat (13)The person PRSN10600000LZPH has been added to the guest tableThe order for person(PRSN10600000LZPH) is registered with volunteer (PRSN10500000LZPH) at table (1) and seat (13) Warning: mysqli_stmt::execute(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 358 Warning: mysqli_stmt::close(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 363 Warning: mysqli_stmt::execute(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 366 Warning: mysqli_stmt::close(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 371 Warning: mysqli_stmt::execute(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 374 Warning: mysqli_stmt::close(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 379 PRSN10700000LZPH added to table (1), seat (13)The person PRSN10700000LZPH has been added to the guest tableThe order for person(PRSN10700000LZPH) is registered with volunteer (PRSN10500000LZPH) at table (1) and seat (13) Warning: mysqli_stmt::execute(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 358 Warning: mysqli_stmt::close(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 363 Warning: mysqli_stmt::execute(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 366 Warning: mysqli_stmt::close(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 371 Warning: mysqli_stmt::execute(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 374 Warning: mysqli_stmt::close(): Couldn't fetch mysqli_stmt in /Users/olatunjigbadamosi/Sites/ST_Ambulance/FormDB.php on line 379 PRSN10800000LZPH added to table (1), seat (13)The person PRSN10800000LZPH has been added to the guest tableThe order for person(PRSN10800000LZPH) is registered with volunteer (PRSN10500000LZPH) at table (1) and seat (13)
推荐答案
我不认为这样会起作用.当您关闭语句(例如 $menu_stmt->close();)时，您也会释放语句句柄.因此，第二次循环时，您将无法再使用准备好的语句.
I don't think it will work this way. When you close the statement (e.g. $menu_stmt->close();) you also deallocate the statement handle. So the second time through the loop you don't have the prepared statements available to work with anymore.
在循环执行完毕后尝试关闭语句.
Try closing the statements after the loop has finished executing.
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