What are the potential reasons for the move_uploaded_file function returning false without displaying an error message?

The move_uploaded_file function may return false without displaying an error message due to permission issues on the destination folder, incorrect file path, or exceeding upload limits. To solve this issue, ensure that the destination folder has the correct permissions for file uploads, verify the file path is correct, and check if the uploaded file size exceeds the limits set in PHP configuration. 

$target_dir = "uploads/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);

if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
    echo "File uploaded successfully.";
} else {
    echo "Error uploading file.";
}

Keywords

move_uploaded_file PHP file upload error handling permissions

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