What are best practices for handling file uploads in PHP to prevent partial uploads or connection issues?

When handling file uploads in PHP, it is important to implement measures to prevent partial uploads or connection issues. One way to achieve this is by using the move_uploaded_file() function, which moves an uploaded file to a new location. This ensures that the file is fully uploaded before processing it further. 

if(isset($_FILES['file'])){
    $file_name = $_FILES['file']['name'];
    $file_tmp = $_FILES['file']['tmp_name'];
    
    if(move_uploaded_file($file_tmp, "uploads/" . $file_name)){
        echo "File uploaded successfully!";
    } else {
        echo "Error uploading file.";
    }
}

Keywords

file uploads PHP handling partial uploads connection issues

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