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[英]How to add array in multidimensional array in PHP from mysql database?
[英]Mysql/PHP - How to add the array values into a database from a form
谁能看到我在做什么错? 我正在尝试使用以下代码将数组中的多个值添加到sql表中:
foreach($_POST['serialNumber'] as $i => $serialNumber)
{
// Get values from form.
$request_id = mysql_real_escape_string($req_id);
$serialNumber = mysql_real_escape_string($_POST['serialNumber'][$i]);
$machineType = mysql_real_escape_string($_POST['machineType'][$i]);
$machineModel = mysql_real_escape_string($_POST['machineModel'][$i]);
// Add to database
$sql = "INSERT INTO serialnumbers(
request_id, serial_type, serial_model, serial_number
) VALUES (
'".$request_id."','".$machineType."','".$machineModel."','".$serialNumber."'
)";
}
出于任何原因,表中仅存储了最后一个值。 我在这里想念什么?
对于不赞成使用此方法的常见警告(mysql_),类似这样的方法应该起作用(我可能对语法进行了一点修改)
$values = array;
foreach($_POST['serialNumber'] as $i => $serialNumber)
{
// Get values from form.
$request_id = mysql_real_escape_string($req_id);
$serialNumber = mysql_real_escape_string($_POST['serialNumber'][$i]);
$machineType = mysql_real_escape_string($_POST['machineType'][$i]);
$machineModel = mysql_real_escape_string($_POST['machineModel'][$i]);
// Add to database
$values[] = "(
'".$request_id."','".$machineType."','".$machineModel."','".$serialNumber."'
)";
}
$sql = "INSERT INTO serialnumbers(
request_id, serial_type, serial_model, serial_number
) VALUES ".implode($values,',').";";
如注释中所示,在您循环执行时,建议您针对准备好的PDO语句进行测试:
//
// PDO
//
try {
$pdo = new PDO("mysql:host=localhost;dbname=MyDatabase", $user, $pass);
} catch (PDOException $e) {
echo $e->getMessage();
exit;
}
//
$sql = "INSERT INTO serialnumbers (
request_id, serial_type, serial_model, serial_number
) VALUES (
:request_id, :serial_type, :serial_model, :serial_number
)";
//
$stmt = $pdo->prepare($sql);
$n = count($_POST['serialNumber']);
for($i = 0; $i < $n; $i++)
{
// Get values from form.
$stmt->execute(array(
":request_id" => $req_id,
":serial_type" => $_POST['machineType'][$i],
":serial_model" => $_POST['machineModel'][$i],
":serial_number" => $_POST['serialNumber'][$i]
));
}
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