PHP blank white page, no errors
Question
I have a PHP page that I developed locally and worked fine. Upon uploading it to a server I now just get a blank white screen? It is the exact same code, works fine locally but doesnt remotely. I have tried setting on error reporting but that still doesn t give me any errors, just a blank white screen.
The code:
$firstname = $phone = $email = $picture = $sqlcon = "";
$firstnameErr = $phoneErr = $emailErr = $pictureErr = $sqlErr = $filterErr = "";
$statusmsg = "";
$newpicture = $registered = "false";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
// If the user has not entered a firstname and has not entered details previously
if ((empty($_POST["firstname"])) && empty($_POST["hfirst"])) {
$firstnameErr = "Firstname is required for submission";
}
else {
if (!empty($_POST["firstname"])) {
$firstname = $_POST["firstname"];
}
else {
$firstname = $_POST["hfirst"];
}
if (!preg_match("/^[a-zA-Z ]*$/", $firstname)) {
$firstnameErr="Please ensure you have entered only characters for your first name";
}
}
// If the user has not entered a phone number and has not entered details previously
if ((empty($_POST["phone"])) && (empty($_POST["hphone"]))) {
$phoneErr = "Please ensure you have entered a phone number";
}
else {
if (!empty($_POST["phone"])) {
$phone = $_POST["phone"];
}
else {
$phone = $_POST["hphone"];
}
if (!is_numeric($phone)) {
$phoneErr = "Please ensure you have entered a valid phone number";
}
}
if ((empty($_POST["email"])) && (empty($_POST["hemail"]))) {
$emailErr = "Please ensure you have entered your email address";
}
else {
if (!empty($_POST["email"])) {
$email = $_POST["email"];
}
else {
$email = $_POST["hemail"];
}
if (!preg_match("/([\w\-]+\@[\w\-]+\.[\w\-]+)/", $email)) {
$emailErr = "Please ensure you have entered a valid email address";
}
}
if ((empty($_FILES["file"]["name"])) && (empty($_POST["hfile"]))) {
$pictureErr = "Please ensure you have selected a picture to upload";
}
else {
if (!empty($_FILES["file"]["name"])) {
if ($_FILES["file"]["size"] > 1048576) {
$pictureErr = "The maximum size for a picture is 1mb";
}
else {
// Ensure the user has selected a file of accepted type
$temp = explode(".", $_FILES["file"]["name"]);
$ext = end($temp);
$allowedExt = array ("gif", "JPEG", "jpg", "png", "JPG");
if (!in_array($ext, $allowedExt)) {
$pictureErr = "Please ensure you have uploaded an image file";
}
}
$newpicture = "true";
$picture = $_FILES["file"]["name"];
}
else {
$picture = $_POST["hpicture"];
}
}
$sqlcon = mysqli_connect("localhost", "USER", "PASS", "personneldb");
if (mysqli_connect_errno()) {
$sqlErr = "Could not connect to database";
mysqli_close($sqlcon);
}
if ($newpicture == "true") {
if (!move_uploaded_file($_FILES["file"]["tmp_name"], "./upload/".$_FILES["file"]["name"])) {
$pictureErr = "File could not be uploaded";
}
}
if ((empty($firstnameErr)) && (empty($emailErr)) && (empty($phoneErr)) && (empty($pictureErr == "")) && (empty($sqlErr == ""))) {
mysqli_query($sqlcon, "INSERT INTO test2Details(Firstname, Phone, Email, ImageName)
VALUES ('$firstname', '$phone', '$email', '$picture')");
// Display status message
$statusmsg = "Success! Your details and picture have been uploaded and stored";
}
if ((!empty($firstname)) && (!empty($phone)) && (!empty($email)) && (!empty($picture))) {
$registered = "true";
}
else {
$registered = "false";
}
}
3 answers
solution1
9 2014-04-07 11:54:06
This will enable showing errors in your server, but remember, isn't recommended to use this in production and not in a PHP file, these configuration must be setted in php.ini
ini_set('display_startup_errors',1);
ini_set('display_errors',1);
error_reporting(-1);
For further information you can see:
solution2
0 2014-04-07 12:10:24
Things to check:
$_SERVER["REQUEST_METHOD"]: If you are using another server, this could be the problem, check if this key exists, else, useisset($_POST)insteadDatabase connection?, perhaps some errors with user or pass?
Check PHP error logs, if you don't know where are stored then execute this:
php -i | grep error_logphp -i | grep error_log, should return the path to error logCheck server error logs, the logs normally are in
/var/log/SERVER(SERVER could be lighttpd, apache, nginx, httpd,... it depends)
Alternatively you can use the ini_set directive and activate error_reporting
solution3
0 2014-04-07 12:11:18
I have a PHP page that I developed locally and worked fine. Upon uploading it to a server I now just get a blank white screen? It is the exact same code, works fine locally but doesnt remotely. I have tried setting on error reporting but that still doesn t give me any errors, just a blank white screen.
EDIT ---------- The code:
$firstname = $phone = $email = $picture = $sqlcon = "";
$firstnameErr = $phoneErr = $emailErr = $pictureErr = $sqlErr = $filterErr = "";
$statusmsg = "";
$newpicture = $registered = "false";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
// If the user has not entered a firstname and has not entered details previously
if ((empty($_POST["firstname"])) && empty($_POST["hfirst"])) {
$firstnameErr = "Firstname is required for submission";
}
else {
if (!empty($_POST["firstname"])) {
$firstname = $_POST["firstname"];
}
else {
$firstname = $_POST["hfirst"];
}
if (!preg_match("/^[a-zA-Z ]*$/", $firstname)) {
$firstnameErr="Please ensure you have entered only characters for your first name";
}
}
// If the user has not entered a phone number and has not entered details previously
if ((empty($_POST["phone"])) && (empty($_POST["hphone"]))) {
$phoneErr = "Please ensure you have entered a phone number";
}
else {
if (!empty($_POST["phone"])) {
$phone = $_POST["phone"];
}
else {
$phone = $_POST["hphone"];
}
if (!is_numeric($phone)) {
$phoneErr = "Please ensure you have entered a valid phone number";
}
}
if ((empty($_POST["email"])) && (empty($_POST["hemail"]))) {
$emailErr = "Please ensure you have entered your email address";
}
else {
if (!empty($_POST["email"])) {
$email = $_POST["email"];
}
else {
$email = $_POST["hemail"];
}
if (!preg_match("/([\w\-]+\@[\w\-]+\.[\w\-]+)/", $email)) {
$emailErr = "Please ensure you have entered a valid email address";
}
}
if ((empty($_FILES["file"]["name"])) && (empty($_POST["hfile"]))) {
$pictureErr = "Please ensure you have selected a picture to upload";
}
else {
if (!empty($_FILES["file"]["name"])) {
if ($_FILES["file"]["size"] > 1048576) {
$pictureErr = "The maximum size for a picture is 1mb";
}
else {
// Ensure the user has selected a file of accepted type
$temp = explode(".", $_FILES["file"]["name"]);
$ext = end($temp);
$allowedExt = array ("gif", "JPEG", "jpg", "png", "JPG");
if (!in_array($ext, $allowedExt)) {
$pictureErr = "Please ensure you have uploaded an image file";
}
}
$newpicture = "true";
$picture = $_FILES["file"]["name"];
}
else {
$picture = $_POST["hpicture"];
}
}
$sqlcon = mysqli_connect("localhost", "USER", "PASS", "personneldb");
if (mysqli_connect_errno()) {
$sqlErr = "Could not connect to database";
mysqli_close($sqlcon);
}
if ($newpicture == "true") {
if (!move_uploaded_file($_FILES["file"]["tmp_name"], "./upload/".$_FILES["file"]["name"])) {
$pictureErr = "File could not be uploaded";
}
}
if ((empty($firstnameErr)) && (empty($emailErr)) && (empty($phoneErr)) && (empty($pictureErr == "")) && (empty($sqlErr == ""))) {
mysqli_query($sqlcon, "INSERT INTO test2Details(Firstname, Phone, Email, ImageName)
VALUES ('$firstname', '$phone', '$email', '$picture')");
// Display status message
$statusmsg = "Success! Your details and picture have been uploaded and stored";
}
if ((!empty($firstname)) && (!empty($phone)) && (!empty($email)) && (!empty($picture))) {
$registered = "true";
}
else {
$registered = "false";
}
}
solution4
-2 2020-08-27 04:12:45
It means process finished. Everything is fine code has ended no error.
You should do like echo 'You have successfully created' .
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