How to write data to the log?

Question

PHP

Subject.

On the one hand, the answer is obvious - file_put_contents with FILE_APPEND, but conflicts may arise when writing by different processes.
I don't want to write to the database.

How is this issue resolved in web servers? Is there a separate logging daemon? Is it possible to use it somehow from PHP?

Answer 1

The standard monologue handler uses flock and LOCK_EX Monolog/Handler/StreamHandler.php