> uploadtext_

<?php
/**
 * Generates a URL-safe, cryptographically secure random string.
 * Ideal for routing, password resets, or secure text-sharing links (e.g., uploadtext.app/aBc12XyZ).
 *
 * @param int $length The desired length of the slug
 * @return string
 */
function generateSecureSlug(int $length = 8): string 
{
    // Calculate how many random bytes we need
    $bytesNeeded = (int) ceil($length * 0.75);
    $randomBytes = random_bytes($bytesNeeded);
    
    // Encode to Base64, then make it URL-safe by replacing + and / with - and _
    $base64 = base64_encode($randomBytes);
    $urlSafeString = strtr($base64, '+/', '-_');
    
    // Strip padding and trim to the exact requested length
    $slug = rtrim($urlSafeString, '=');
    
    return substr($slug, 0, $length);
}

// Usage Example:
// echo generateSecureSlug(6);  // Outputs something like: "K9x_2A"
// echo generateSecureSlug(12); // Outputs something like: "pM3v-qL8zY1x"