What are some common mistakes or misunderstandings when using $_POST versus $_FILES in PHP file uploads?

One common mistake is confusing $_POST with $_FILES when handling file uploads in PHP. $_POST is used to retrieve form data sent via POST method, while $_FILES is used specifically for file uploads. To correctly handle file uploads, make sure to use $_FILES when accessing uploaded files. 

// Incorrect way to handle file upload using $_POST
$uploadedFile = $_POST['file'];

// Correct way to handle file upload using $_FILES
$uploadedFile = $_FILES['file'];

Keywords

$_POST $_FILES file uploads PHP mistakes

Related Questions