Counter.txt -

: For small personal projects, it’s faster to set up than a full database.

: You can move your "database" just by dragging and dropping a single file. ⚠️ The "Race Condition" Problem counter.txt

Professional implementations use flock() (file locking) to ensure only one process can touch the file at a time. 🚀 Modern Use Cases : For small personal projects, it’s faster to

If two people visit your site at the exact same millisecond, the server might try to open the file for both at once. If User A is still writing the new number while User B is trying to read it, the file can become corrupted or reset to zero. : For small personal projects