Question

我已经让这个代码在数据库中放入一些来自xml女巫的webradio数据正在工作，问题是如果mp3文件没有专辑它会弄乱数据输入，有人可以指出一个方法，如果$ pieces [ 1]存在运行代码并添加相册，如果不做任何事情，并将其他人添加到正确的位置。

$title = $xml->SONGTITLE;
$pieces = explode("-", $title);
$pieces[0] = trim($pieces[0]);
$pieces[1] = trim($pieces[1]);
$pieces[2] = trim($pieces[2]);
// performing sql query
$sql = "INSERT INTO test_xml (`title`, `album`, `artist`) VALUES  ('$pieces[2]', '$pieces[1]', '$pieces[0]') ON DUPLICATE KEY UPDATE time =   now(), album = VALUES(album)";
$result = mysqli_query($con, $sql);

Answer 1

也许只需添加：if ($pieces[1]!="")？

$title = $xml->SONGTITLE;
$pieces = explode("-", $title);
$pieces[0] = trim($pieces[0]);
$pieces[1] = trim($pieces[1]);
$pieces[2] = trim($pieces[2]);
if ($pieces[1]!="")
{
// performing sql query
$sql = "INSERT INTO test_xml (`title`, `album`, `artist`) VALUES  ('$pieces[2]', '$pieces[1]', '$pieces[0]') ON DUPLICATE KEY UPDATE time =   now(), album = VALUES(album)";
$result = mysqli_query($con, $sql);
}

Answer 2

是的，您只需要检查该值是否已设置就很容易了。

if(isset($value_to_check))
{
    //true - your item has a value.
}
else
{
    //do somthing else.
}

将Xml数据添加到数据库

2 个答案: