What are some recommended resources or websites for finding PHP scripts for file downloads and uploads?

When looking for PHP scripts for file downloads and uploads, it is recommended to check out popular repositories like GitHub, CodeCanyon, and Packagist. These platforms offer a wide range of PHP scripts that can be easily integrated into your project for handling file downloads and uploads.

// Example PHP script for file upload
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $targetDir = "uploads/";
    $targetFile = $targetDir . basename($_FILES["file"]["name"]);
    
    if (move_uploaded_file($_FILES["file"]["tmp_name"], $targetFile)) {
        echo "File uploaded successfully.";
    } else {
        echo "Error uploading file.";
    }
}
```

```php
// Example PHP script for file download
$file = 'path/to/file.pdf';

if (file_exists($file)) {
    header('Content-Description: File Transfer');
    header('Content-Type: application/pdf');
    header('Content-Disposition: attachment; filename="'.basename($file).'"');
    header('Expires: 0');
    header('Cache-Control: must-revalidate');
    header('Pragma: public');
    header('Content-Length: ' . filesize($file));
    readfile($file);
    exit;
} else {
    echo "File not found.";
}