[英]Replacing empty values in a CSV file using PHP when inserting data into a MySQL database
[英]PHP inserting empty row in mysql table when file upload is empty
我有一个表格,除了文件上传外,我会保留对其他输入类型的验证,但是如果我不选择任何文件,那么我的脚本会在上载表中添加一个空白。是否有任何方法可以检查用户是否正在上载任何文件,并且如果有文件,那么我可以运行我的上传脚本...这是脚本
if (isset($_FILES['fileupload'])) {
$errors = array();
$connection = db::factory('mysql');
$user_id = $_SESSION['userid'];
foreach ($_FILES['fileupload']['tmp_name'] as $key => $tmp_name) {
$file_name = $_FILES['fileupload']['name'][$key];
$file_size = $_FILES['fileupload']['size'][$key];
$file_tmp = $_FILES['fileupload']['tmp_name'][$key];
$file_type = $_FILES['fileupload']['type'][$key];
if ($file_size > 2097152) {
$errors[] = 'File size must be less than 2 MB';
}
$upload_dir = ROOT;
$desired_dir = ROOT . "/uploads/";
if (empty($errors) == true) {
if (is_dir(ROOT . "/uploads/") == false) {
mkdir(ROOT . "/uploads/", 0700);
}
if (is_dir(ROOT . "/uploads/" . $file_name) == false && !file_exists(ROOT . "/uploads/" . $file_name)) {
$file_path = ROOT . "/uploads/" . $file_name;
move_uploaded_file($file_tmp, $file_path);
$full_path = mysql_real_escape_string($file_path);
$query = "INSERT INTO uploads (`User_Id`,`File_Name`,`File_Path`,`File_Size`,`File_Type`) VALUES('$user_id','$file_name','$full_path','$file_size','$file_type'); ";
mysql_query($query);
} else {
$new_path = ROOT . "/uploads/" . time() . "_" . $file_name;
rename($file_tmp, $new_path);
$file_path = $new_path;
$full_path = mysql_real_escape_string($file_path);
$query = "INSERT INTO uploads (`User_Id`,`File_Name`,`File_Path`,`File_Size`,`File_Type`) VALUES('$user_id','$file_name','$full_path','$file_size','$file_type'); ";
mysql_query($query);
}
} else {
print_r($errors);
}
}
if (empty($error)) {
//echo "Success"; exit;
return true;
}
return false;
如果我没记错的话,无论文件上传字段是否为空,它都会在$ _FILES中创建一个条目。 在这种情况下,最好检查$_FILES['fileupload']['size'][$key]
是否大于零,或者$_FILES['fileupload']['name'][$key]
不为空。
这应该为您在表单上上传的每个文件(即使有很多文件)也提供一个答案。
在您的foreach loop
,
提出条件
if($_FILES['fileupload']['name'][$key]!="")
{
//your code
}
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.