Php Lockit [exclusive] Download Info

What is PHP LockIt?

• Acquire flock on "resource.lock".
• If target exists and valid — release lock and return.
• Else download into "resource.tmp" (use cURL with CURLOPT_FILE), verify checksum, rename to "resource".
• Release lock. (Use temp files + rename to avoid exposing partial files.)

if (!file_exists($realFile)) die("File not found.");

While PHP LockIt provides a layer of protection, it is not considered an enterprise-grade security solution. php lockit download