Are there any specific PHP functions or libraries recommended for handling file uploads?

When handling file uploads in PHP, it is recommended to use the built-in functions such as `move_uploaded_file()` and `is_uploaded_file()` to ensure security and proper file handling. Additionally, using libraries like `$_FILES` superglobal array can help in accessing information about the uploaded file. 

<?php
// Check if file was uploaded
if(isset($_FILES['file'])){
    $file = $_FILES['file'];

    // Check if file is valid
    if($file['error'] === UPLOAD_ERR_OK){
        $uploadDir = 'uploads/';
        $uploadFile = $uploadDir . basename($file['name']);

        // Move uploaded file to designated directory
        if(move_uploaded_file($file['tmp_name'], $uploadFile)){
            echo "File uploaded successfully!";
        } else {
            echo "Failed to upload file.";
        }
    } else {
        echo "Error uploading file.";
    }
}
?>

Keywords

PHP file uploads functions libraries handling.

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