Upload of .xlsx not working with php - php

Question

Sending an upload to my site that is currently just run on localhost. Attempting to upload an .xlsx file gives me my predefined error of "Sorry, you cannot upload this file. Sorry, your file was not uploaded." Code follows:
<?php
$target_dir = "uploads/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
$uploadOk = 1;
$uploadFileType = pathinfo($target_file,PATHINFO_EXTENSION);
// Check file size
if ($_FILES["fileToUpload"]["size"] > 500000) {
echo "Sorry, your file is too large.";
$uploadOk = 0;
}
// Allow certain file formats
if($uploadFileType != "xlsx") {
echo "Sorry, you cannot upload this file.";
$uploadOk = 0;
}
// Check if $uploadOk is set to 0 by an error
if ($uploadOk == 0) {
echo "Sorry, your file was not uploaded.";
// if everything is ok, try to upload file
} else {
if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
echo "The file ". basename( $_FILES["fileToUpload"]["name"]). " has been uploaded.";
} else {
echo "Sorry, there was an error uploading your file.";
}
}
?>
Form:
<form id="uploadbanner" enctype="multipart/form-data" method="post" action="uploads.php">
<input id="fileupload" name="myfile" type="file" />
<input type="submit" value="Submit" id="submit" />
</form>

Answer 1

Renaming your input file to name="fileToUpload" will solve your issue.
<form action="" method="post" enctype="multipart/form-data">
Select image to upload:
<input type="file" name="fileToUpload" id="fileToUpload">
<input type="submit" value="Upload Image" name="submit">
</form>

Answer 2

Try this:
$target_file = $_FILES["myfile"]["name"];
$uploadOk = 1;
$uploadFileType = pathinfo($target_file,PATHINFO_EXTENSION);
// Check file size
if ($_FILES["myfile"]["size"] > 500000) {
echo "Sorry, your file is too large.";
$uploadOk = 0;
}
// Allow certain file formats
if($uploadFileType != "xlsx") {
echo "Sorry, you cannot upload this file.";
$uploadOk = 0;
}
// Check if $uploadOk is set to 0 by an error
if ($uploadOk == 0) {
echo "Sorry, your file was not uploaded.";
// if everything is ok, try to upload file
} else {
if (move_uploaded_file($_FILES["myfile"]["tmp_name"], $target_file)) {
echo "The file ". basename( $_FILES["myfile"]["name"]). " has been uploaded.";
} else {
echo "Sorry, there was an error uploading your file.";
}
}